# OpenSpace vs STACK Estimating

**Leader by vioscaleAI score:** STACK Estimating

| Attribute | OpenSpace | STACK Estimating |
|---|---|---|
| **vioscaleAI score** | 37.7 (24% (low)) | 60.1 (68% (medium)) |
| content.faq | `[{"answer":"OpenSpace captures 360° photos and drone footage on construction sites, automatically mapping imagery to floor plans. It uses AI to monitor building progress against schedules, verify work completion, and coordinate between site reality and design models. It is indexed under Construction Management Software.","source":"https://www.openspace.ai/","question":"What is OpenSpace?","confidence":0.6},{"answer":"OpenSpace does not publish its prices. Pricing is quoted on request, across 2 plans (Core and Enterprise), so the figure depends on your seat count and requirements. We record this as a pricing-transparency signal rather than guessing a number. Pricing changes often, so verify at source before relying on it.","source":"https://www.openspace.ai/pricing/","question":"How much does OpenSpace cost?","confidence":0.6},{"answer":"We have confirmed browser-based access to OpenSpace. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://www.openspace.ai/","question":"What platforms does OpenSpace support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for OpenSpace, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.openspace.ai/pricing/","question":"Can OpenSpace be self-hosted?","confidence":0.6},{"answer":"We have confirmed 4 integrations for OpenSpace, including Procore, PlanGrid, Autodesk and Revizto. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.openspace.ai/","question":"What does OpenSpace integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for OpenSpace. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as OpenSpace not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.openspace.ai/eu-uk-employee-privacy-notice/","question":"What security certifications does OpenSpace have?","confidence":0.7},{"answer":"OpenSpace is available worldwide. Its primary market is the United States.","source":"https://www.openspace.ai/pricing/","question":"Where is OpenSpace available?","confidence":0.5}]` | `[{"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}` | `{"cloud":true}` |
| description.long | A cloud-based platform that captures and analyzes construction site conditions to help teams track progress, identify risks early, align design with reality, and make informed decisions throughout the building lifecycle. | 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 | `{"soc2":false,"bim_ifc":"coordination","iso_19650":false,"scheduling":true,"pricing_model":"acv_volume","rfi_submittal":true,"accounting_erp":false,"mobile_support":"mobile","primary_module":"field_mgmt","safety_quality":true,"target_segment":"gc","document_control":true,"estimating_takeoff":true}` | `{"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 | 6 | 1 |
| integrations.list | `[{"name":"Procore"},{"name":"PlanGrid"},{"name":"Autodesk"},{"name":"Revizto"},{"name":"Autodesk BIM 360"},{"name":"Oracle P6","native":true,"category":"scheduling"},{"name":"Asta Powerproject","native":true,"category":"scheduling"},{"name":"Microsoft Project","native":true,"category":"scheduling"}]` | `[{"name":"QuickBooks Online"}]` |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"web":true}` | `{"web":true}` |
| pricing | `{"type":"quote","plans":[{"free":false,"name":"Core","features":["Unlimited capture across projects","Visual context for issue resolution","BIM coordination","Guided onboarding"],"commitment":"annual","description":"Complete visual record with unlimited capture, visual context for issue resolution, BIM coordination, and expert-led onboarding","contactSales":true},{"free":false,"name":"Enterprise","features":["All Core features","SSO and enterprise security","API access","Premium support","Custom adoption support"],"commitment":"annual","description":"Core features scaled across portfolio with enterprise-grade features including SSO, API access, and premium support","contactSales":true}],"addOns":[{"name":"OpenSpace Track"}],"summary":"Subscription pricing based on annual construction volume (ACV). Contact sales for quote.","currency":"USD","freeTier":false,"sourceUrl":"https://www.openspace.ai/pricing/","retrievedAt":"2026-08-22T22:31:34.974Z","billingPeriods":["year"]}` | `{"freeTier":true,"sourceUrl":"https://www.stackct.com","retrievedAt":"2026-08-03T11:57:18.047Z"}` |
| pricing.free_tier | no | yes |
| pricing.model | quote | freemium |
| pricing.price_level | unknown | low |
| pricing.transparent | no | no |
| reliability.sla_pct | - | 99.9 |
| reliability.status_page | - | yes |
| security.disclosure_policy | - | yes |
| security.gdpr | yes | - |
| security.pci | - | yes |
| security.soc2 | - | yes |
| security.trust_center | https://www.openspace.ai/privacy-policy/ | - |

## Capabilities (Construction Management Software)

| Capability | OpenSpace | STACK Estimating |
|---|:--:|:--:|
| **Core** |  |  |
| Primary module | Field management | Estimating/takeoff |
| **Preconstruction** |  |  |
| BIM / IFC support | Coordination + clash detection | - |
| Estimating and quantity takeoff | ✓ | ✓ |
| **Documents** |  |  |
| Document control and drawing management | ✓ | ✓ |
| RFI and submittal management | ✓ | - |
| **Scheduling** |  |  |
| Scheduling (Gantt / CPM) | ✓ | - |
| **Field** |  |  |
| Safety and quality management | ✓ | - |
| Mobile field app | Mobile field app | Mobile field app |
| **Integrations** |  |  |
| Accounting / ERP integration | ✗ | ✓ |
| **Compliance** |  |  |
| ISO 19650 (BIM information management) support | ✗ | - |
| SOC 2 attested | ✗ | - |
| **Pricing** |  |  |
| Pricing model | % of construction volume (ACV) | - |
| **Market** |  |  |
| Target segment | General contractor | - |

*Source: vioscaleAI. Generated 2026-10-16T20:38:06.817Z. "-" = undocumented, not absent.*