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Head-to-head · Construction Estimating Software

Buildxact vs STACK

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Buildxact #3 in Construction Estimating Software 9.1/10 Free plan · 14-day trial Free planFree trial✓ 1 of 5 features Visit Buildxact
STACK #4 in Construction Estimating Software 9.0/10 Free plan · 7-day trial Free planFree trial✓ 0 of 5 features Visit STACK

Buildxact leads on 0 checks, STACK on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreBuildxact · 9.1/10
  • Free planboth
  • Free trialboth
  • Most featuresBuildxact · 1 of 5

Buildxact scores higher on our rubric for construction estimating software: 9.1 against 9.0 out of 10; our editors rank them #3 and #4.

Buildxact is the better fit for small contractors needing estimating and job management. STACK is the better fit for estimators needing takeoff and many integrations.

  • Buildxact fits best

    Small contractors needing estimating and job management

  • 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 Buildxact 9.1/10 Visit ↗ STACK 9.0/10 Visit ↗
At a glance
Editor score 9.1 9.0
Ranking #3 in Construction Estimating Software #4 in Construction Estimating Software
Best for Small contractors needing estimating and job management Estimators needing takeoff and many integrations
Pricing model Free plan + paid Free plan + paid
Starting price $169/mo —
Free plan ✓ ✓
Free trial 14 days 7 days
Free trial length 14 days 7 days · no card needed
Deployment Cloud, Mobile Cloud, Desktop, Mobile
Platforms Web, iOS, Android Web, Windows, iOS, Android
Integrations 4 integrations 17 integrations
Features Buildxact 1/5 · STACK 0/5
Digital takeoff Not checked yet Not checked yet
Assembly library Not checked yet Not checked yet
Labor and material costs Not checked yet 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 Not checked yet Not checked yet
Our review
Pros
  • PDF takeoffs, AI estimating, bids, and professional proposals
  • Scheduling, cost tracking, purchase orders, invoicing, and accounting integrations
  • Web, iOS, and Android collaboration for files, photos, logs, and updates
  • 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
  • Paid plans start at $169 per month when billed annually
  • Advanced estimating and controls require higher-tier plans
  • The free Go plan has five complimentary credits
  • 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

Buildxact is cloud-based construction estimating and project management software for residential builders, remodelers, and small contractors. It brings digital takeoffs from PDF plans, AI-assisted estimating, professional proposals, bid…

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. BuildxactConstruction Estimating Software 9.1Free plan · 14-day trial
  2. STACKConstruction Estimating Software 9.0Free plan · 7-day trial

Strengths and trade-offs

  • Buildxact — where it wins

    • PDF takeoffs, AI estimating, bids, and professional proposals
    • Scheduling, cost tracking, purchase orders, invoicing, and accounting integrations
    • Web, iOS, and Android collaboration for files, photos, logs, and updates

    Where it doesn't

    • Paid plans start at $169 per month when billed annually
    • Advanced estimating and controls require higher-tier plans
    • The free Go plan has five complimentary credits

  • 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
  • Buildxact9.1/10 · Free plan · 14-day trial

    A broad construction workflow platform with a free plan and a high paid entry price.

    Visit BuildxactFull 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