{"data":{"entities":[{"slug":"heavybid-hcss","name":"HeavyBid (HCSS)","tagline":"Streamline construction bidding with faster estimates and improved accuracy","homepage":"https://www.hcss.com/products/heavybid","category":{"slug":"construction-bid-management","name":"Construction Bid Management"},"vendor":{"name":"HCSS","primaryDomain":null},"score":{"composite":36.3,"confidence":0.33,"confidenceBand":"low","breakdown":{"price_level":{"value":0,"weight":0.105,"present":false,"contribution":0},"reliability":{"value":0,"weight":0.063,"present":false,"contribution":0},"capabilities":{"value":45.8,"weight":0.043,"present":true,"contribution":2},"integrations":{"value":42.9,"weight":0.049,"present":true,"contribution":2.1},"security_posture":{"value":45,"weight":0.042,"present":true,"contribution":1.9},"pricing_transparency":{"value":0,"weight":0.094,"present":true,"contribution":0}},"computedAt":"2026-10-06T22:36:08.609Z","stale":false},"uri":"https://www.vioscale.ai/software/heavybid-hcss","aliases":["heavybid-hcss"],"status":"published","crawlStatus":"ok","indexStatus":"indexed","nextCrawlAt":"2026-10-20T22:36:08.708Z","categories":[{"slug":"construction-bid-management","name":"Construction Bid Management","isPrimary":true}],"facts":{"pricing":[{"attribute":"pricing.model","value":"quote","provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},{"attribute":"pricing","value":{"type":"quote","sourceUrl":"https://www.hcss.com/pricing/","retrievedAt":"2026-10-06T21:54:49.704Z"},"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},{"attribute":"pricing.price_level","value":"unknown","provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},{"attribute":"pricing.transparent","value":false,"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}}],"deployment":[{"attribute":"deployment.options","value":{"cloud":true},"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}}],"description":[{"attribute":"description.long","value":"A construction estimating platform that helps contractors create accurate bids quickly using historical data and automation, then transition those estimates into project budgets and accounting systems.","provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}}],"features":[{"attribute":"features.capabilities","value":{"soc2_type_ii":true,"pricing_model":"enterprise_quote","deployment_model":"cloud_saas_platform","direct_integration_to_construction_erp_project_management":true},"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}}],"integrations":[{"attribute":"integrations.count","value":30,"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},{"attribute":"integrations.list","value":[{"name":"Geotab","native":true,"category":"fleet_management","direction":"inbound"},{"name":"Primavera P6","native":true,"category":"project_management","direction":"bidirectional"},{"name":"Microsoft Project","native":true,"category":"project_management","direction":"bidirectional"},{"name":"HeavyJob","native":true,"category":"project_management","direction":"outbound"},{"name":"RSMeans","native":true,"category":"pricing_data","direction":"inbound"},{"name":"Richardson's","native":true,"category":"pricing_data","direction":"inbound"},{"name":"AASHTOWare","native":true,"category":"bidding","direction":"outbound"},{"name":"Bid Express","native":true,"category":"bidding","direction":"outbound"},{"name":"iCX","native":true,"category":"bidding","direction":"outbound"},{"name":"PennDOT","native":true,"category":"bidding","direction":"outbound"},{"name":"UDOT","native":true,"category":"bidding","direction":"outbound"}],"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}}],"market":[{"attribute":"market.availability","value":{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]},"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.75}}],"platform":[{"attribute":"platform.support","value":{"web":true},"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}}],"security":[{"attribute":"security.certifications","value":[{"name":"SOC 1 Type 2","status":"active"},{"name":"SOC 2 Type 2","status":"active"}],"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},{"attribute":"security.gdpr","value":true,"provenance":{"source":"https://www.hcss.com/blog/ed-bell-construction-going-beyond-osha-compliance/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.75}},{"attribute":"security.soc2","value":true,"provenance":{"source":"https://www.hcss.com/blog/ed-bell-construction-going-beyond-osha-compliance/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.75}},{"attribute":"security.trust_center","value":"https://www.hcss.com/security/","provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}}]},"factList":[{"attribute":"pricing.model","value":"quote","provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},{"attribute":"deployment.options","value":{"cloud":true},"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},{"attribute":"description.long","value":"A construction estimating platform that helps contractors create accurate bids quickly using historical data and automation, then transition those estimates into project budgets and accounting systems.","provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},{"attribute":"features.capabilities","value":{"soc2_type_ii":true,"pricing_model":"enterprise_quote","deployment_model":"cloud_saas_platform","direct_integration_to_construction_erp_project_management":true},"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},{"attribute":"integrations.count","value":30,"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},{"attribute":"integrations.list","value":[{"name":"Geotab","native":true,"category":"fleet_management","direction":"inbound"},{"name":"Primavera P6","native":true,"category":"project_management","direction":"bidirectional"},{"name":"Microsoft Project","native":true,"category":"project_management","direction":"bidirectional"},{"name":"HeavyJob","native":true,"category":"project_management","direction":"outbound"},{"name":"RSMeans","native":true,"category":"pricing_data","direction":"inbound"},{"name":"Richardson's","native":true,"category":"pricing_data","direction":"inbound"},{"name":"AASHTOWare","native":true,"category":"bidding","direction":"outbound"},{"name":"Bid Express","native":true,"category":"bidding","direction":"outbound"},{"name":"iCX","native":true,"category":"bidding","direction":"outbound"},{"name":"PennDOT","native":true,"category":"bidding","direction":"outbound"},{"name":"UDOT","native":true,"category":"bidding","direction":"outbound"}],"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},{"attribute":"market.availability","value":{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]},"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.75}},{"attribute":"platform.support","value":{"web":true},"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},{"attribute":"pricing","value":{"type":"quote","sourceUrl":"https://www.hcss.com/pricing/","retrievedAt":"2026-10-06T21:54:49.704Z"},"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},{"attribute":"pricing.price_level","value":"unknown","provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},{"attribute":"pricing.transparent","value":false,"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},{"attribute":"security.certifications","value":[{"name":"SOC 1 Type 2","status":"active"},{"name":"SOC 2 Type 2","status":"active"}],"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},{"attribute":"security.gdpr","value":true,"provenance":{"source":"https://www.hcss.com/blog/ed-bell-construction-going-beyond-osha-compliance/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.75}},{"attribute":"security.soc2","value":true,"provenance":{"source":"https://www.hcss.com/blog/ed-bell-construction-going-beyond-osha-compliance/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.75}},{"attribute":"security.trust_center","value":"https://www.hcss.com/security/","provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}}],"market":{"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[],"primaryMarkets":[],"hqCountry":"US"},"integrations":[{"name":"Geotab","category":"fleet_management","direction":"inbound","native":true},{"name":"Primavera P6","category":"project_management","direction":"bidirectional","native":true},{"name":"Microsoft Project","category":"project_management","direction":"bidirectional","native":true},{"name":"HeavyJob","category":"project_management","direction":"outbound","native":true},{"name":"RSMeans","category":"pricing_data","direction":"inbound","native":true},{"name":"Richardson's","category":"pricing_data","direction":"inbound","native":true},{"name":"AASHTOWare","category":"bidding","direction":"outbound","native":true},{"name":"Bid Express","category":"bidding","direction":"outbound","native":true},{"name":"iCX","category":"bidding","direction":"outbound","native":true},{"name":"PennDOT","category":"bidding","direction":"outbound","native":true},{"name":"UDOT","category":"bidding","direction":"outbound","native":true}],"certifications":[{"name":"SOC 1 Type 2","status":"active"},{"name":"SOC 2 Type 2","status":"active"}],"claimed":false,"updatedAt":"2026-10-06T22:36:08.708Z","formats":{"json":"https://www.vioscale.ai/api/v1/software/heavybid-hcss","markdown":"https://www.vioscale.ai/software/heavybid-hcss.md","html":"https://www.vioscale.ai/software/heavybid-hcss"}},{"slug":"stack-estimating","name":"STACK Estimating","tagline":"AI-powered preconstruction platform for faster construction takeoffs and estimates","homepage":"https://www.stackct.com","category":{"slug":"construction-management","name":"Construction Management Software"},"vendor":null,"score":{"composite":60.1,"confidence":0.68,"confidenceBand":"medium","breakdown":{"price_level":{"value":80,"weight":0.105,"present":true,"contribution":8.4},"reliability":{"value":95,"weight":0.063,"present":true,"contribution":6},"capabilities":{"value":96,"weight":0.043,"present":true,"contribution":4.1},"integrations":{"value":8.7,"weight":0.049,"present":true,"contribution":0.4},"security_posture":{"value":60,"weight":0.042,"present":true,"contribution":2.5},"pricing_transparency":{"value":25,"weight":0.094,"present":true,"contribution":2.4}},"computedAt":"2026-10-06T22:42:02.765Z","stale":false},"uri":"https://www.vioscale.ai/software/stack-estimating","aliases":["stack-estimating"],"status":"published","crawlStatus":"ok","indexStatus":"indexed","nextCrawlAt":"2026-10-20T22:42:03.064Z","categories":[{"slug":"construction-management","name":"Construction Management Software","isPrimary":true},{"slug":"construction-bid-management","name":"Construction Bid Management","isPrimary":false},{"slug":"construction-estimating","name":"Construction Estimating","isPrimary":false},{"slug":"construction-takeoff","name":"Construction Takeoff","isPrimary":false}],"facts":{"deployment":[{"attribute":"deployment.options","value":{"cloud":true},"provenance":{"source":"https://www.stackct.com/blog/material-pricing-flux-how-to-mitigate-risk/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T22:05:32.915Z","confidence":0.6}}],"description":[{"attribute":"description.long","value":"A cloud-based software platform designed to help construction teams accelerate quantity takeoffs, develop cost estimates, and manage project documents using AI-powered measurement and analysis tools.","provenance":{"source":"https://www.stackct.com/blog/material-pricing-flux-how-to-mitigate-risk/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T22:05:32.915Z","confidence":0.6}}],"integrations":[{"attribute":"integrations.list","value":[{"name":"QuickBooks Online"}],"provenance":{"source":"https://www.stackct.com/blog/material-pricing-flux-how-to-mitigate-risk/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T22:05:32.915Z","confidence":0.6}},{"attribute":"integrations.count","value":1,"provenance":{"source":"https://www.stackct.com/blog/material-pricing-flux-how-to-mitigate-risk/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T22:05:32.915Z","confidence":0.6}}],"platform":[{"attribute":"platform.support","value":{"web":true},"provenance":{"source":"https://www.stackct.com/blog/material-pricing-flux-how-to-mitigate-risk/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T22:05:32.915Z","confidence":0.6}}],"pricing":[{"attribute":"pricing","value":{"freeTier":true,"sourceUrl":"https://www.stackct.com","retrievedAt":"2026-08-03T11:57:18.047Z"},"provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}},{"attribute":"pricing.free_tier","value":true,"provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}},{"attribute":"pricing.model","value":"freemium","provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}},{"attribute":"pricing.price_level","value":"low","provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}},{"attribute":"pricing.transparent","value":false,"provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}}],"reliability":[{"attribute":"reliability.sla_pct","value":99.9,"provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}},{"attribute":"reliability.status_page","value":true,"provenance":{"source":"https://status.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}}],"security":[{"attribute":"security.disclosure_policy","value":true,"provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}},{"attribute":"security.pci","value":true,"provenance":{"source":"https://trust.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.75}},{"attribute":"security.soc2","value":true,"provenance":{"source":"https://trust.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.75}}],"content":[{"attribute":"content.faq","value":[{"answer":"Cloud-based platform for construction takeoff, estimating, and field operations. Provides automated measurement of drawings, bid pricing, and mobile field management for contractors, suppliers, and owners. It is indexed under Construction Management Software.","source":"https://www.stackct.com","question":"What is STACK Estimating?","confidence":0.6},{"answer":"STACK Estimating offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://www.stackct.com","question":"Is STACK Estimating free?","confidence":0.6},{"answer":"STACK Estimating supports the web, Windows, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.stackct.com","question":"What platforms does STACK Estimating support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for STACK Estimating, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.stackct.com","question":"Can STACK Estimating be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 for STACK Estimating. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as STACK Estimating not holding them. Always confirm compliance directly before you rely on it.","source":"https://trust.stackct.com","question":"What security certifications does STACK Estimating have?","confidence":0.7}],"provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-09-10T10:20:57.054Z","confidence":0.62}}],"features":[{"attribute":"features.capabilities","value":{"accounting_erp":true,"mobile_support":"mobile","primary_module":"estimating","deployment_model":"cloud_saas_platform","document_control":true,"estimating_takeoff":true,"excel_direct_export_integration":true,"ai_auto_count_symbol_recognition":true,"collaborative_cloud_multi_user_viewing":true,"linear_area_and_volume_measurement_tools":true,"customizable_assemblies_and_material_grouping":true,"multi_page_plan_overlay_and_revision_comparison":true},"provenance":{"source":"https://www.stackct.com/blog/material-pricing-flux-how-to-mitigate-risk/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T22:05:32.915Z","confidence":0.6}}]},"factList":[{"attribute":"deployment.options","value":{"cloud":true},"provenance":{"source":"https://www.stackct.com/blog/material-pricing-flux-how-to-mitigate-risk/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T22:05:32.915Z","confidence":0.6}},{"attribute":"description.long","value":"A cloud-based software platform designed to help construction teams accelerate quantity takeoffs, develop cost estimates, and manage project documents using AI-powered measurement and analysis tools.","provenance":{"source":"https://www.stackct.com/blog/material-pricing-flux-how-to-mitigate-risk/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T22:05:32.915Z","confidence":0.6}},{"attribute":"integrations.list","value":[{"name":"QuickBooks Online"}],"provenance":{"source":"https://www.stackct.com/blog/material-pricing-flux-how-to-mitigate-risk/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T22:05:32.915Z","confidence":0.6}},{"attribute":"platform.support","value":{"web":true},"provenance":{"source":"https://www.stackct.com/blog/material-pricing-flux-how-to-mitigate-risk/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T22:05:32.915Z","confidence":0.6}},{"attribute":"pricing","value":{"freeTier":true,"sourceUrl":"https://www.stackct.com","retrievedAt":"2026-08-03T11:57:18.047Z"},"provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}},{"attribute":"pricing.free_tier","value":true,"provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}},{"attribute":"pricing.model","value":"freemium","provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}},{"attribute":"pricing.price_level","value":"low","provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}},{"attribute":"pricing.transparent","value":false,"provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}},{"attribute":"reliability.sla_pct","value":99.9,"provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}},{"attribute":"reliability.status_page","value":true,"provenance":{"source":"https://status.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}},{"attribute":"security.disclosure_policy","value":true,"provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}},{"attribute":"security.pci","value":true,"provenance":{"source":"https://trust.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.75}},{"attribute":"security.soc2","value":true,"provenance":{"source":"https://trust.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.75}},{"attribute":"integrations.count","value":1,"provenance":{"source":"https://www.stackct.com/blog/material-pricing-flux-how-to-mitigate-risk/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T22:05:32.915Z","confidence":0.6}},{"attribute":"content.faq","value":[{"answer":"Cloud-based platform for construction takeoff, estimating, and field operations. Provides automated measurement of drawings, bid pricing, and mobile field management for contractors, suppliers, and owners. It is indexed under Construction Management Software.","source":"https://www.stackct.com","question":"What is STACK Estimating?","confidence":0.6},{"answer":"STACK Estimating offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://www.stackct.com","question":"Is STACK Estimating free?","confidence":0.6},{"answer":"STACK Estimating supports the web, Windows, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.stackct.com","question":"What platforms does STACK Estimating support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for STACK Estimating, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.stackct.com","question":"Can STACK Estimating be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 for STACK Estimating. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as STACK Estimating not holding them. Always confirm compliance directly before you rely on it.","source":"https://trust.stackct.com","question":"What security certifications does STACK Estimating have?","confidence":0.7}],"provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-09-10T10:20:57.054Z","confidence":0.62}},{"attribute":"features.capabilities","value":{"accounting_erp":true,"mobile_support":"mobile","primary_module":"estimating","deployment_model":"cloud_saas_platform","document_control":true,"estimating_takeoff":true,"excel_direct_export_integration":true,"ai_auto_count_symbol_recognition":true,"collaborative_cloud_multi_user_viewing":true,"linear_area_and_volume_measurement_tools":true,"customizable_assemblies_and_material_grouping":true,"multi_page_plan_overlay_and_revision_comparison":true},"provenance":{"source":"https://www.stackct.com/blog/material-pricing-flux-how-to-mitigate-risk/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T22:05:32.915Z","confidence":0.6}}],"faq":[{"answer":"Cloud-based platform for construction takeoff, estimating, and field operations. Provides automated measurement of drawings, bid pricing, and mobile field management for contractors, suppliers, and owners. It is indexed under Construction Management Software.","source":"https://www.stackct.com","question":"What is STACK Estimating?","confidence":0.6},{"answer":"STACK Estimating offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://www.stackct.com","question":"Is STACK Estimating free?","confidence":0.6},{"answer":"STACK Estimating supports the web, Windows, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.stackct.com","question":"What platforms does STACK Estimating support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for STACK Estimating, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.stackct.com","question":"Can STACK Estimating be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 for STACK Estimating. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as STACK Estimating not holding them. Always confirm compliance directly before you rely on it.","source":"https://trust.stackct.com","question":"What security certifications does STACK Estimating have?","confidence":0.7}],"faqSource":"generated","integrations":[{"name":"QuickBooks Online"}],"claimed":false,"updatedAt":"2026-10-06T22:42:03.064Z","formats":{"json":"https://www.vioscale.ai/api/v1/software/stack-estimating","markdown":"https://www.vioscale.ai/software/stack-estimating.md","html":"https://www.vioscale.ai/software/stack-estimating"}}],"attributes":[{"attribute":"content.faq","values":{"heavybid-hcss":null,"stack-estimating":{"attribute":"content.faq","value":[{"answer":"Cloud-based platform for construction takeoff, estimating, and field operations. Provides automated measurement of drawings, bid pricing, and mobile field management for contractors, suppliers, and owners. It is indexed under Construction Management Software.","source":"https://www.stackct.com","question":"What is STACK Estimating?","confidence":0.6},{"answer":"STACK Estimating offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://www.stackct.com","question":"Is STACK Estimating free?","confidence":0.6},{"answer":"STACK Estimating supports the web, Windows, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.stackct.com","question":"What platforms does STACK Estimating support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for STACK Estimating, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.stackct.com","question":"Can STACK Estimating be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 for STACK Estimating. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as STACK Estimating not holding them. Always confirm compliance directly before you rely on it.","source":"https://trust.stackct.com","question":"What security certifications does STACK Estimating have?","confidence":0.7}],"provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-09-10T10:20:57.054Z","confidence":0.62}}}},{"attribute":"deployment.options","values":{"heavybid-hcss":{"attribute":"deployment.options","value":{"cloud":true},"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},"stack-estimating":{"attribute":"deployment.options","value":{"cloud":true},"provenance":{"source":"https://www.stackct.com/blog/material-pricing-flux-how-to-mitigate-risk/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T22:05:32.915Z","confidence":0.6}}}},{"attribute":"description.long","values":{"heavybid-hcss":{"attribute":"description.long","value":"A construction estimating platform that helps contractors create accurate bids quickly using historical data and automation, then transition those estimates into project budgets and accounting systems.","provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},"stack-estimating":{"attribute":"description.long","value":"A cloud-based software platform designed to help construction teams accelerate quantity takeoffs, develop cost estimates, and manage project documents using AI-powered measurement and analysis tools.","provenance":{"source":"https://www.stackct.com/blog/material-pricing-flux-how-to-mitigate-risk/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T22:05:32.915Z","confidence":0.6}}}},{"attribute":"features.capabilities","values":{"heavybid-hcss":{"attribute":"features.capabilities","value":{"soc2_type_ii":true,"pricing_model":"enterprise_quote","deployment_model":"cloud_saas_platform","direct_integration_to_construction_erp_project_management":true},"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},"stack-estimating":{"attribute":"features.capabilities","value":{"accounting_erp":true,"mobile_support":"mobile","primary_module":"estimating","deployment_model":"cloud_saas_platform","document_control":true,"estimating_takeoff":true,"excel_direct_export_integration":true,"ai_auto_count_symbol_recognition":true,"collaborative_cloud_multi_user_viewing":true,"linear_area_and_volume_measurement_tools":true,"customizable_assemblies_and_material_grouping":true,"multi_page_plan_overlay_and_revision_comparison":true},"provenance":{"source":"https://www.stackct.com/blog/material-pricing-flux-how-to-mitigate-risk/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T22:05:32.915Z","confidence":0.6}}}},{"attribute":"integrations.count","values":{"heavybid-hcss":{"attribute":"integrations.count","value":30,"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},"stack-estimating":{"attribute":"integrations.count","value":1,"provenance":{"source":"https://www.stackct.com/blog/material-pricing-flux-how-to-mitigate-risk/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T22:05:32.915Z","confidence":0.6}}}},{"attribute":"integrations.list","values":{"heavybid-hcss":{"attribute":"integrations.list","value":[{"name":"Geotab","native":true,"category":"fleet_management","direction":"inbound"},{"name":"Primavera P6","native":true,"category":"project_management","direction":"bidirectional"},{"name":"Microsoft Project","native":true,"category":"project_management","direction":"bidirectional"},{"name":"HeavyJob","native":true,"category":"project_management","direction":"outbound"},{"name":"RSMeans","native":true,"category":"pricing_data","direction":"inbound"},{"name":"Richardson's","native":true,"category":"pricing_data","direction":"inbound"},{"name":"AASHTOWare","native":true,"category":"bidding","direction":"outbound"},{"name":"Bid Express","native":true,"category":"bidding","direction":"outbound"},{"name":"iCX","native":true,"category":"bidding","direction":"outbound"},{"name":"PennDOT","native":true,"category":"bidding","direction":"outbound"},{"name":"UDOT","native":true,"category":"bidding","direction":"outbound"}],"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},"stack-estimating":{"attribute":"integrations.list","value":[{"name":"QuickBooks Online"}],"provenance":{"source":"https://www.stackct.com/blog/material-pricing-flux-how-to-mitigate-risk/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T22:05:32.915Z","confidence":0.6}}}},{"attribute":"market.availability","values":{"heavybid-hcss":{"attribute":"market.availability","value":{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]},"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.75}},"stack-estimating":null}},{"attribute":"platform.support","values":{"heavybid-hcss":{"attribute":"platform.support","value":{"web":true},"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},"stack-estimating":{"attribute":"platform.support","value":{"web":true},"provenance":{"source":"https://www.stackct.com/blog/material-pricing-flux-how-to-mitigate-risk/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T22:05:32.915Z","confidence":0.6}}}},{"attribute":"pricing","values":{"heavybid-hcss":{"attribute":"pricing","value":{"type":"quote","sourceUrl":"https://www.hcss.com/pricing/","retrievedAt":"2026-10-06T21:54:49.704Z"},"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},"stack-estimating":{"attribute":"pricing","value":{"freeTier":true,"sourceUrl":"https://www.stackct.com","retrievedAt":"2026-08-03T11:57:18.047Z"},"provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}}}},{"attribute":"pricing.free_tier","values":{"heavybid-hcss":null,"stack-estimating":{"attribute":"pricing.free_tier","value":true,"provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}}}},{"attribute":"pricing.model","values":{"heavybid-hcss":{"attribute":"pricing.model","value":"quote","provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},"stack-estimating":{"attribute":"pricing.model","value":"freemium","provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}}}},{"attribute":"pricing.price_level","values":{"heavybid-hcss":{"attribute":"pricing.price_level","value":"unknown","provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},"stack-estimating":{"attribute":"pricing.price_level","value":"low","provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}}}},{"attribute":"pricing.transparent","values":{"heavybid-hcss":{"attribute":"pricing.transparent","value":false,"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},"stack-estimating":{"attribute":"pricing.transparent","value":false,"provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}}}},{"attribute":"reliability.sla_pct","values":{"heavybid-hcss":null,"stack-estimating":{"attribute":"reliability.sla_pct","value":99.9,"provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}}}},{"attribute":"reliability.status_page","values":{"heavybid-hcss":null,"stack-estimating":{"attribute":"reliability.status_page","value":true,"provenance":{"source":"https://status.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}}}},{"attribute":"security.certifications","values":{"heavybid-hcss":{"attribute":"security.certifications","value":[{"name":"SOC 1 Type 2","status":"active"},{"name":"SOC 2 Type 2","status":"active"}],"provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},"stack-estimating":null}},{"attribute":"security.disclosure_policy","values":{"heavybid-hcss":null,"stack-estimating":{"attribute":"security.disclosure_policy","value":true,"provenance":{"source":"https://www.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.6}}}},{"attribute":"security.gdpr","values":{"heavybid-hcss":{"attribute":"security.gdpr","value":true,"provenance":{"source":"https://www.hcss.com/blog/ed-bell-construction-going-beyond-osha-compliance/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.75}},"stack-estimating":null}},{"attribute":"security.pci","values":{"heavybid-hcss":null,"stack-estimating":{"attribute":"security.pci","value":true,"provenance":{"source":"https://trust.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.75}}}},{"attribute":"security.soc2","values":{"heavybid-hcss":{"attribute":"security.soc2","value":true,"provenance":{"source":"https://www.hcss.com/blog/ed-bell-construction-going-beyond-osha-compliance/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.75}},"stack-estimating":{"attribute":"security.soc2","value":true,"provenance":{"source":"https://trust.stackct.com","sourceType":"vioscale-crawler","retrievedAt":"2026-08-03T11:57:18.047Z","confidence":0.75}}}},{"attribute":"security.trust_center","values":{"heavybid-hcss":{"attribute":"security.trust_center","value":"https://www.hcss.com/security/","provenance":{"source":"https://www.hcss.com/pricing/","sourceType":"vioscale-crawler","retrievedAt":"2026-10-06T21:54:49.704Z","confidence":0.6}},"stack-estimating":null}}],"capabilities":{"category":{"slug":"construction-bid-management","name":"Construction Bid Management"},"groups":[{"group":"Capabilities","rows":[{"axis":{"key":"deployment_model","label":"Deployment model","type":"enum","enumValues":[{"value":"cloud_saas_platform","label":"Cloud saas platform"},{"value":"two_sided_network_marketplace","label":"Two sided network marketplace"}]},"values":{"heavybid-hcss":"cloud_saas_platform","stack-estimating":"cloud_saas_platform"}},{"axis":{"key":"digital_plan_room_document_distribution","label":"Digital plan room document distribution","type":"bool"},"values":{"heavybid-hcss":null,"stack-estimating":null}},{"axis":{"key":"mass_itb_invitation_to_bid_email_blasting","label":"Mass itb invitation to bid email blasting","type":"bool"},"values":{"heavybid-hcss":null,"stack-estimating":null}},{"axis":{"key":"side_by_side_bid_leveling_comparison","label":"Side by side bid leveling comparison","type":"bool"},"values":{"heavybid-hcss":null,"stack-estimating":null}},{"axis":{"key":"subcontractor_prequalification_and_compliance","label":"Subcontractor prequalification and compliance","type":"bool"},"values":{"heavybid-hcss":null,"stack-estimating":null}},{"axis":{"key":"historical_subcontractor_performance_scoring","label":"Historical subcontractor performance scoring","type":"bool"},"values":{"heavybid-hcss":null,"stack-estimating":null}},{"axis":{"key":"automated_addenda_and_revision_notifications","label":"Automated addenda and revision notifications","type":"bool"},"values":{"heavybid-hcss":null,"stack-estimating":null}},{"axis":{"key":"public_open_project_lead_bulletin_boards","label":"Public open project lead bulletin boards","type":"bool"},"values":{"heavybid-hcss":null,"stack-estimating":null}},{"axis":{"key":"direct_integration_to_construction_erp_project_management","label":"Direct integration to construction ERP project management","type":"bool"},"values":{"heavybid-hcss":true,"stack-estimating":null}},{"axis":{"key":"diversity_and_inclusion_mwbe_tracking","label":"Diversity and inclusion mwbe tracking","type":"bool"},"values":{"heavybid-hcss":null,"stack-estimating":null}},{"axis":{"key":"soc2_type_ii","label":"SOC2 type ii","type":"bool"},"values":{"heavybid-hcss":true,"stack-estimating":null}},{"axis":{"key":"iso_27001","label":"ISO 27001","type":"bool"},"values":{"heavybid-hcss":null,"stack-estimating":null}},{"axis":{"key":"pricing_model","label":"Pricing model","type":"enum","enumValues":[{"value":"flat_monthly_subscription","label":"Flat monthly subscription"},{"value":"enterprise_quote","label":"Enterprise quote"},{"value":"freemium_for_subcontractors","label":"Freemium for subcontractors"}]},"values":{"heavybid-hcss":"enterprise_quote","stack-estimating":null}}]}]},"leader":"stack-estimating","leaderReason":"STACK Estimating leads by composite 60.1 vs HeavyBid (HCSS)'s 36.3 (margin 23.8), at medium confidence (0.68).","generatedAt":"2026-10-07T01:10:27.661Z"},"meta":{"source":"https://www.vioscale.ai","license":"CC-BY-4.0","generatedAt":"2026-10-07T01:10:27.661Z","disclaimer":"Independent, evidence-based. Every fact carries provenance."}}