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Head-to-head · Construction Estimating Software

Buildxact vs CostX

  • Updated Oct 2026
  • Both researched from official sources
  • 4 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
CostX #8 in Construction Estimating Software 8.5/10 Pricing on request ✓ 3 of 5 features Visit CostX

Buildxact leads on 0 checks, CostX on 0, and 4 are even. Who comes out ahead on the 4 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 planonly Buildxact
  • Free trialonly Buildxact
  • Most featuresCostX · 3 of 5

Buildxact scores higher on our rubric for construction estimating software: 9.1 against 8.5 out of 10; our editors rank them #3 and #8.

Buildxact is the better fit for small contractors needing estimating and job management. CostX is the better fit for windows-based estimating departments.

  • Buildxact fits best

    Small contractors needing estimating and job management

  • CostX fits best

    Windows-based estimating departments

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 ↗ CostX 8.5/10 Visit ↗
At a glance
Editor score 9.1 8.5
Ranking #3 in Construction Estimating Software #8 in Construction Estimating Software
Best for Small contractors needing estimating and job management Windows-based estimating departments
Pricing model Free plan + paid Paid
Starting price $169/mo —
Free plan ✓ (best) Not checked yet
Free trial 14 days —
Deployment Cloud, Mobile Cloud, Desktop
Platforms Web, iOS, Android Windows
Integrations 4 integrations 7 integrations
Features Buildxact 1/5 · CostX 3/5
Digital takeoff Not checked yet ✓ (best)
Assembly library Not checked yet Not checked yet
Labor and material costs Not checked yet ✓ (best)
Bid management ✓ ✓
Accounting integrations Not checked yet Not checked yet
Specs
Estimate limit Not checked yet Not checked yet
Platform Not checked yet Desktop
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
  • Combines 2D, 3D/BIM takeoff with auto-revisioning
  • Live-links drawings, data repositories, workbooks and Excel
  • Supports BOQs, tendering, subcontractor comparison and bid-day workflows
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
  • Pricing is quote-based rather than publicly listed
  • Platform coverage is focused on Windows
  • CostX Cloud requires at least four users and a 12-month term
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 →

CostX is construction estimating software for quantity surveyors, estimators, contractors and construction consultants. Its core workflow connects digital measurement with estimating workbooks, allowing teams to take off quantities from…

Read the review →
  1. BuildxactConstruction Estimating Software 9.1Free plan · 14-day trial
  2. CostXConstruction Estimating Software 8.5Pricing on request

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

  • CostX — where it wins

    • Combines 2D, 3D/BIM takeoff with auto-revisioning
    • Live-links drawings, data repositories, workbooks and Excel
    • Supports BOQs, tendering, subcontractor comparison and bid-day workflows

    Where it doesn't

    • Pricing is quote-based rather than publicly listed
    • Platform coverage is focused on Windows
    • CostX Cloud requires at least four users and a 12-month term
  • 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 →
  • CostX8.5/10 · Pricing on request

    A deep Windows-focused estimating suite for takeoff, revisions, tendering and bid workflows.

    Visit CostXFull 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