# OpenSpace vs STACK Estimating

**Leader by Vioscale score:** STACK Estimating

| Attribute | OpenSpace | STACK Estimating |
|---|---|---|
| **Vioscale score** | 22.6 (25% (low)) | 56 (71% (medium)) |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | Platform for capturing construction site imagery and automatically mapping it to floor plans to help teams track progress, resolve issues, and coordinate work more effectively. | 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. |
| 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","document_control":true,"estimating_takeoff":true}` |
| integrations.count | 4 | 1 |
| integrations.list | `[{"name":"Procore"},{"name":"PlanGrid"},{"name":"Autodesk"},{"name":"Revizto"}]` | `[{"name":"QuickBooks Online"}]` |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"web":true}` | `{"ios":true,"web":true,"android":true,"windows":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 |

## 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: Vioscale. Generated 2026-09-01T15:10:41.527Z. "-" = undocumented, not absent.*