Ranked · 2026 · For subcontractors

Best AI Construction Estimating Software in 2026

Short answer: For subcontractors, the best AI construction estimating software is P2P Estimating: it reads your blueprint, builds the takeoff automatically, and prices it to your own rates — free to try with no login.

Selection criteria: automated AI takeoff · pricing to your rates · trade coverage · how easy it is to try.

Upload your blueprint free
~30 min blueprint → priced estimate
28 trades supported
No login to try the takeoff
$25–$75 per estimate
The shortlist

Master comparison.

ToolBest forPrice
1. P2P EstimatingSubcontractors who want the AI to do the takeoff and price the bid to their own rates.Free to try; plans from $99/mo, ~$25–$75 per estimate
2. Togal.AIGC-side estimators who mainly need fast AI auto-measurement.Subscription
3. KreoTeams wanting a broad AI-assisted 2D takeoff and estimating suite.Subscription
4. STACKEstimating teams wanting a mature cloud takeoff and document platform.Tiered subscription
5. PlanSwiftEstimators who want hands-on manual desktop takeoff.Per-seat license
01

P2P Estimating#1 for subs

Subcontractors who want the AI to do the takeoff and price the bid to their own rates.

Pros

  • AI reads the blueprint and builds the takeoff
  • Prices to your labor & material rates automatically
  • 28 trades with trade-specific logic
  • Free, no-login trial on your own plans

Cons

  • Newer than legacy desktop tools
  • AI output is a draft you review before bidding

Free to try; plans from $99/mo, ~$25–$75 per estimate

Upload your blueprint free
02

Togal.AI

GC-side estimators who mainly need fast AI auto-measurement.

Pros

  • AI auto-measure
  • Good for GC estimating workflows

Cons

  • Takeoff-focused, less subcontractor pricing
  • Subscription pricing

Subscription

03

Kreo

Teams wanting a broad AI-assisted 2D takeoff and estimating suite.

Pros

  • AI-assisted takeoff in the browser
  • Broad general toolset

Cons

  • Less subcontractor- and trade-specific
  • More manual steps than full automation

Subscription

04

STACK

Estimating teams wanting a mature cloud takeoff and document platform.

Pros

  • Strong collaboration & plan management
  • Established platform

Cons

  • Takeoff is still manual
  • Heavier than a sub needs

Tiered subscription

05

PlanSwift

Estimators who want hands-on manual desktop takeoff.

Pros

  • Granular manual control
  • Long track record

Cons

  • Manual takeoff (no AB automation)
  • Windows desktop only

Per-seat license

Questions

Best AI estimating software — FAQ

What is the best AI construction estimating software?
For subcontractors, the best AI construction estimating software is P2P Estimating: it reads your blueprint, builds the takeoff automatically, and prices it to your own rates — free to try with no login.
What makes estimating software "AI"?
True AI estimating reads the plans and builds the takeoff for you — measuring and counting scope automatically — instead of making you click out every measurement. P2P, Togal.AI, and Kreo bring AI to takeoff to different degrees.
Is there free AI estimating software?
P2P Estimating is free to try with no login. Upload a blueprint and get an AI takeoff before paying anything; paid plans start at $99/mo with about $25–$75 of credit per estimate.
How were these ranked?
By how much of the bid the tool actually does for a subcontractor: automated AI takeoff, pricing to your own rates, trade-specific logic, and how easy it is to try. P2P ranks first on automation for subs; mature manual tools rank lower for this use case.
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