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Head-to-head · Construction Estimating Software

Bidwright vs STACK

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Bidwright #2 in Construction Estimating Software 9.3/10 Free plan Free plan✓ 4 of 5 features Visit Bidwright
STACK #4 in Construction Estimating Software 9.0/10 Free plan · 7-day trial Free planFree trial✓ 0 of 5 features Visit STACK

Bidwright leads on 0 checks, STACK on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreBidwright · 9.3/10
  • Free planboth
  • Free trialonly STACK
  • Most featuresBidwright · 4 of 5

Bidwright scores higher on our rubric for construction estimating software: 9.3 against 9.0 out of 10; our editors rank them #2 and #4.

Bidwright is the better fit for open-source estimators with advanced takeoff needs. STACK is the better fit for estimators needing takeoff and many integrations.

  • Bidwright fits best

    Open-source estimators with advanced takeoff needs

  • STACK fits best

    Estimators needing takeoff and many integrations

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Bidwright 9.3/10 Visit ↗ STACK 9.0/10 Visit ↗
At a glance
Editor score 9.3 9.0
Ranking #2 in Construction Estimating Software #4 in Construction Estimating Software
Best for Open-source estimators with advanced takeoff needs Estimators needing takeoff and many integrations
Pricing model Free Free plan + paid
Starting price Free —
Free plan ✓ ✓
Free trial — 7 days
Deployment Desktop, Self-hosted, Cloud Cloud, Desktop, Mobile
Platforms Web, Windows, macOS, Linux Web, Windows, iOS, Android
Support Community, Docs Email, Live chat, Phone, Community, Docs
Integrations 7 integrations 17 integrations
Built for Solo, Small business Solo, Small business, Mid-market, Enterprise
Features Bidwright 4/5 · STACK 0/5
Digital takeoff ✓ (best) Not checked yet
Assembly library ✓ (best) Not checked yet
Labor and material costs ✓ (best) Not checked yet
Bid management ✓ (best) Not checked yet
Accounting integrations Not checked yet Not checked yet
Specs
Estimate limit Not checked yet Not checked yet
Platform Hybrid Not checked yet
Our review
Pros
  • 2D PDF and 3D model takeoff across major construction file formats
  • Linked worksheets, ratebooks, labor units, and reusable assemblies
  • Free desktop and self-hosted options with optional AI review
  • Digital takeoff supports area, linear, count, and other measurements
  • AI takeoffs, drawing comparison, reports, and estimate dashboards
  • Integrations span accounting, ERP, CRM, and construction systems
Cons
  • Self-hosting requires Docker and server administration
  • AI usage requires customer-provided model keys and provider billing
  • Managed hosted version is still on an early-access waitlist
  • The Free plan limits access to core takeoff and plan-markup tools
  • ERP connectors are available only as a Pro add-on
  • Premium and Pro subscriptions use 12-month terms
Our verdict

Bidwright is an open-source construction estimating workspace for contractors and trade estimators handling complete bid workflows. It brings bid intake, document viewing, digital takeoff, estimating worksheets, ratebooks, reusable…

Read the review →

STACK is a cloud-based construction preconstruction platform for specialty contractors, general contractors, suppliers, manufacturers, owners, and developers. Its Takeoff & Estimate product combines digital plan upload, viewing, markup,…

Read the review →
  1. BidwrightConstruction Estimating Software 9.3Free plan
  2. STACKConstruction Estimating Software 9.0Free plan · 7-day trial

Strengths and trade-offs

  • Bidwright — where it wins

    • 2D PDF and 3D model takeoff across major construction file formats
    • Linked worksheets, ratebooks, labor units, and reusable assemblies
    • Free desktop and self-hosted options with optional AI review

    Where it doesn't

    • Self-hosting requires Docker and server administration
    • AI usage requires customer-provided model keys and provider billing
    • Managed hosted version is still on an early-access waitlist

  • STACK — where it wins

    • Digital takeoff supports area, linear, count, and other measurements
    • AI takeoffs, drawing comparison, reports, and estimate dashboards
    • Integrations span accounting, ERP, CRM, and construction systems

    Where it doesn't

    • The Free plan limits access to core takeoff and plan-markup tools
    • ERP connectors are available only as a Pro add-on
    • Premium and Pro subscriptions use 12-month terms
  • Bidwright9.3/10 · Free plan

    A free, open-source workspace for detailed takeoff, estimating, review, and bid delivery.

    Visit BidwrightFull verdict →
  • STACK9.0/10 · Free plan · 7-day trial

    STACK combines digital takeoff, estimating, AI tools, and construction integrations.

    Visit STACKFull verdict →

More comparisons

All construction estimating software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update