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Construction · head to head

Openspace vs STACK Construction Technologies

Openspace logo

Openspace

Construction

AI-powered construction photo documentation

From
$2500/month
Rated
-
Full reviewWebsite
STACK Construction Technologies logo

STACK Construction Technologies

Construction

Takeoff and estimating software for preconstruction

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only STACK Construction Technologies has a free tier, so it costs nothing to try first.
  • Each has a real cost: Openspace requires specialized 360-degree camera hardware for optimal documentation workflow; STACK Construction Technologies takeoff and Estimate is priced per user at $249 per user per month, so cost scales linearly with estimators
  • They diverge on capability: Openspace covers 360 photo capture, STACK Construction Technologies covers Digital takeoff.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Openspace and STACK Construction Technologies actually diverge.

Attributes where Openspace and STACK Construction Technologies differ
AttributeOpenspaceSTACK Construction Technologies
Starting price$2500/monthFree
Free tierNoYes
PlatformsiOS, Android, WebWeb, Ios, Android
Founded20172011

Identical on both: pricing model (subscription), user rating (Not yet rated), category (Construction).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Openspace

  • 360 photo capture
  • BIM compare
  • Progress tracking
  • AI analysis
  • Measurement tools
  • Autodesk BIM 360
  • PlanGrid
  • Navisworks

Only in STACK Construction Technologies

  • Digital takeoff
  • Estimating
  • Bid management
  • Proposal generation
  • Plan storage
  • QuickBooks
  • Sage
  • Zapier

Both cover

  • Procore
  • Data encryption
  • Web support
  • Ios support
  • Android support

What people use each for

The jobs each tool is most often brought in to do.

Openspace

  • Site documentationnot STACK Construction Technologies
  • Progress trackingnot STACK Construction Technologies
  • Quality controlnot STACK Construction Technologies
  • Dispute resolutionnot STACK Construction Technologies

STACK Construction Technologies

  • Construction project estimation and biddingnot Openspace
  • Field operations and daily reportingnot Openspace
  • Construction project managementnot Openspace
  • Material and labor takeoffnot Openspace

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Openspace

  • Requires specialized 360-degree camera hardware for optimal documentation workflow
  • Custom pricing model makes it difficult to evaluate costs upfront without contacting sales
  • Field solution is newly launched and may lack mature features compared to established competitors

STACK Construction Technologies

  • Takeoff and Estimate is priced per user at $249 per user per month, so cost scales linearly with estimators
  • The full platform combining takeoff, estimating and field management starts at $298 per user per month
  • Field and project management is sold as a separate Build and Operate product starting at $49 per user per month rather than bundled with takeoff
  • The Build and Operate product offers only a two-week free trial, with the free version limited to Takeoff and Estimate

Pricing, plan by plan

Openspace

$2500/month
  • Capture$2500/month
    • 360 photo capture
    • Automatic stitching
    • BIM integration
  • EnterpriseFree
    • All Capture features
    • Advanced analytics
    • Custom integrations

STACK Construction Technologies

Free
  • Takeoff & Estimate$249/month
    • Quantity takeoff capabilities
    • Labor and material takeoff
    • Flexible estimates and proposals
  • Build & Operate$49/month
    • Responsive plan viewing and markup
    • Issues, punch lists, and daily reports
    • Customizable workflows
  • Full STACK Platform$298/month
    • Plan measurement and markup
    • Integrated estimating
    • Field and project management

Which should you pick?

Choose Openspace if

  • You need 360 photo capture.
  • You work on iOS, Android, Web.
  • You also want bim compare.
Openspace review

Choose STACK Construction Technologies if

  • You need digital takeoff.
  • You want to start without paying.
  • You work on Web, Ios, Android.
  • You also want estimating.
STACK Construction Technologies review

Questions people ask

Is Openspace or STACK Construction Technologies better?
Neither clearly leads. Openspace starts at $2500/month and STACK Construction Technologies at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Openspace or STACK Construction Technologies?
STACK Construction Technologies has a free tier; the other does not. Paid plans start at $2500/month for Openspace and Free for STACK Construction Technologies.
Does Openspace or STACK Construction Technologies run on more platforms?
Openspace runs on iOS, Android, Web. STACK Construction Technologies runs on Web, Ios, Android.
Can I use STACK Construction Technologies for free?
Yes. STACK Construction Technologies has a free tier, so you can try it without paying. Openspace starts at $2500/month.
What is Openspace best used for?
Openspace is most often used for site documentation, progress tracking, quality control, dispute resolution. Of those, site documentation and progress tracking are not what STACK Construction Technologies is typically brought in for.
What can Openspace do that STACK Construction Technologies cannot?
Openspace covers 360 photo capture, BIM compare, Progress tracking, AI analysis. STACK Construction Technologies covers Digital takeoff, Estimating, Bid management, Proposal generation. Both handle Procore, Data encryption, Web support, Ios support.

Answered from the vendors’ own pages

Openspace: How quickly does OpenSpace document construction sites?

OpenSpace documents 25,000 sq. ft. in 10 minutes using 360-degree cameras. Photos are automatically pinned to floor plans, timestamped, and ready to view in 15 minutes.

Source
STACK Construction Technologies: How much does STACK Construction cost?

STACK costs $49 to $298 per user per month depending on the plan. Build & Operate starts at $49/user/month, Takeoff & Estimate at $249/user/month, and Full STACK Platform at $298/user/month. Pricing is quoted per-user and scales with team size.

Source
Openspace: Does OpenSpace integrate with existing project management tools?

Yes. OpenSpace Field integrates with Procore and Autodesk Construction Cloud, allowing teams to create punch lists and observations in real-time without disrupting existing workflows.

Source
STACK Construction Technologies: Does STACK offer free options?

Yes, Takeoff & Estimate includes a free version, and Build & Operate includes a two-week free trial. Full STACK Platform offers a Build Your Price option for custom configurations.

Source
Openspace: What camera equipment does OpenSpace require?

OpenSpace uses 360-degree cameras for site documentation. The platform automatically processes and maps captured images without requiring specialized technical skills from on-site staff.

Source
STACK Construction Technologies: Can I get custom pricing from STACK?

Yes, STACK offers a Build Your Price option for the Full STACK Platform and Takeoff & Estimate to accommodate specific business requirements. Custom pricing requires direct consultation with their sales team.

Source
Openspace: What AI features does OpenSpace provide for construction teams?

OpenSpace includes Spatial AI for automatic issue location tagging, AI Voice Notes for hands-free data capture, and an AI-powered media library for efficient image retrieval to accelerate project workflows.

Source
STACK Construction Technologies: How quickly can STACK be implemented?

STACK promises quick implementation measured in hours rather than weeks, though the exact timeframe depends on your configuration and team size.

Source
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