vioscaleAI
Comparison

OpenSpace vs STACK Estimating

On the evidence we track, STACK Estimating leads this comparison with a composite score of 60/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

OpenSpace full profile →STACK Estimating full profile →
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OpenSpace38
★STACK Estimating60
Score
vioscaleAI score
OpenSpace38 / 100low · 24%
STACK Estimating60 / 100medium · 68%
Pricing
Free tier
OpenSpace✗
STACK Estimating✓
Model
OpenSpacequote
STACK Estimatingfreemium
Price level
OpenSpaceunknown
STACK Estimatinglow
Transparent
OpenSpace✗
STACK Estimating✗
Integrations
Count
OpenSpace6
STACK Estimating1
Security
Disclosure policy
OpenSpace–
STACK Estimating✓
Gdpr
OpenSpace✓
STACK Estimating–
Pci
OpenSpace–
STACK Estimating✓
Soc2
OpenSpace–
STACK Estimating✓
Trust center
OpenSpacehttps://www.openspace.ai/privacy-policy/
STACK Estimating–
Reliability
Sla pct
OpenSpace–
STACK Estimating99.9
Status page
OpenSpace–
STACK Estimating✓
Market
Availability
OpenSpaceAvailable worldwide · Popular in US
STACK Estimating–
Content
Faq
OpenSpace7 items
STACK Estimating5 items

Capabilities

Feature-by-feature on the axes that matter for construction management software. “-” means undocumented, not absent.

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

What each one is

The product in its own terms, so the numbers below have context.

OpenSpace

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.

Independently observed

STACK Estimating

Leader

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.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

OpenSpace

Quote-based

Subscription pricing based on annual construction volume (ACV). Contact sales for quote.

  • CoreContact sales
    • Unlimited capture across projects
    • Visual context for issue resolution
    • BIM coordination
    • Guided onboarding
  • EnterpriseContact sales
    • All Core features
    • SSO and enterprise security
    • API access
    • Premium support
    • Custom adoption support
as of verify ↗

STACK Estimating

Leader
Free tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
OpenSpace✓
STACK Estimating✓
Deployment
Cloud / SaaS
OpenSpace✓
STACK Estimating✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

OpenSpace

8 total
  • Procore
  • PlanGrid
  • Autodesk
  • Revizto
  • Autodesk BIM 360
  • Oracle P6
  • Asta Powerproject
  • Microsoft Project
Independently observed

STACK Estimating

Leader
1 total
  • QuickBooks Online
Independently observed
Still deciding?

OpenSpace or STACK Estimating: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.