# HCSS HeavyBid vs STACK Estimating

**Leader by vioscaleAI score:** STACK Estimating

| Attribute | HCSS HeavyBid | STACK Estimating |
|---|---|---|
| **vioscaleAI score** | 48.6 (8% (low)) | 60.1 (68% (medium)) |
| content.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}]` |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true}` | `{"cloud":true}` |
| description.long | A platform that helps construction companies estimate project costs accurately and create competitive bids. Offers both desktop and web-based solutions integrated with accounting systems. | 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. |
| features.capabilities | - | `{"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}` |
| integrations.count | 30 | 1 |
| integrations.list | `[{"name":"QuickBooks","native":true,"category":"accounting","direction":"bidirectional"},{"name":"Vista","native":true,"category":"accounting","direction":"bidirectional"},{"name":"Sage 300","native":true,"category":"accounting","direction":"bidirectional"},{"name":"Geotab","native":true,"category":"fleet_management","direction":"inbound"}]` | `[{"name":"QuickBooks Online"}]` |
| market.availability | `{"hqCountry":"US","primaryMarkets":["US"],"availabilityScope":"global","availableCountries":["US","GB"],"notAvailableCountries":[]}` | - |
| platform.support | `{"web":true}` | `{"web":true}` |
| pricing | - | `{"freeTier":true,"sourceUrl":"https://www.stackct.com","retrievedAt":"2026-08-03T11:57:18.047Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | - | low |
| pricing.transparent | - | no |
| reliability.sla_pct | - | 99.9 |
| reliability.status_page | - | yes |
| security.certifications | `[{"name":"SOC 1 Type II","level":"Type II","status":"active"},{"name":"SOC 2 Type II","level":"Type II","status":"active"}]` | - |
| security.disclosure_policy | - | yes |
| security.gdpr | yes | - |
| security.pci | - | yes |
| security.soc2 | yes | yes |
| security.trust_center | https://www.hcss.com/security/ | - |

*Source: vioscaleAI. Generated 2026-10-07T01:10:29.470Z. "-" = undocumented, not absent.*