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The best AI estimating apps for contractors

Four apps whose AI drafts an estimate for you, and the question that matters most: where do the prices come from?

An estimate in the BuildWell web app and phone app, with an "Estimate viewed" notification

At a glance

We looked at apps contractors use to draft estimates with AI, using only what each company states on its own site, checked on October 4, 2026; where a price or feature couldn’t be confirmed there, we left it out. BuildWell publishes this page, so there’s no ranking. Invoice Fly, the app most like BuildWell, is listed first where it appears, the rest follow alphabetically, and BuildWell comes last.

AppBuilt forPriceSource
Contractor+Contractors who want to start free and grow into CRM, scheduling and project managementFree plan; Pro $49 a month, or $29 a month on the annual plan[1][2][3][4]
HandoffResidential builders and remodelers with a team who want AI estimating inside a project platformFrom $119 a month billed annually (2 users); 7-day free trial[5][6][7][8]
JoistSmall home-service contractors who want low-cost estimates and invoices with room to growFrom $10 a month billed monthly; 14-day free trial[9][10][11][12]
BuildWellContractors who want each estimate priced from local store prices and wages, then signed and paid$7.99 a week or $79.99 a year; 3-day free trial[13][14][15][16][17][18]

Prices are list prices in US dollars from each company’s site.

Contractor+

Good fit for: Contractors who want to start free and grow into CRM, scheduling and project management

A contractor business platform with a free plan of up to 5 estimates or invoices a month. From Pro, Estimatic AI drafts estimates from a description, photos, blueprints or another quote, priced from your cost book, supplier prices and a labor-rate index, using AI credits. Contracts and e-signatures also start on Pro. [1][2][3][4]

BuildWell vs Contractor+ →

Handoff

Good fit for: Residential builders and remodelers with a team who want AI estimating inside a project platform

Builds residential estimates with AI from a typed or spoken scope, photos or plans, priced from supplier catalogs and localized labor rates, then proposals, e-signatures, milestone invoices and payments, with two-way QuickBooks Online sync on every plan. Pro adds project management, time tracking and unlimited AI credits; Scale adds AI takeoffs. [5][6][7][8]

BuildWell vs Handoff →

Joist

Good fit for: Small home-service contractors who want low-cost estimates and invoices with room to grow

An estimate and invoice app on iOS, Android and web. AI Estimate drafts an estimate from a typed or spoken description for you to review, and e-signatures are on every plan. Upper plans add reports, change orders and job scheduling, and it syncs with QuickBooks. Card payments are 3.49% + 49¢ in the US. [9][10][11][12]

BuildWell vs Joist →

BuildWell

Good fit for: Contractors who want each estimate priced from local store prices and wages, then signed and paid

Describe a job by voice, text, photos or a floor plan; the AI picks the work and quantities, and prices come from stores near the job and BLS wages plus your overhead and markup. Clients sign on their phone, estimates become invoices with deposits and progress payments, and card or bank payments go through Stripe at cost. iPhone, Android and web; English or Spanish. Not a scheduling, CRM, time-tracking or accounting tool. [13][14][15][16][17][18]

BuildWell

Estimates priced for your ZIP

Describe the job. BuildWell lists the work, prices it from local store prices and your area’s wages, gets it signed and turns it into the invoice.

Weekly
$7.99 / week
Billed weekly. Cancel anytime.
  • AI estimates priced for your area
  • Estimates, invoices, clients and projects
  • Clients sign on any phone
  • Card and bank payments, no extra BuildWell fee
  • iPhone, Android and the web
Start free trial
Best value
Annual
$79.99 / year
About $6.67 a month, billed yearly
  • AI estimates priced for your area
  • Estimates, invoices, clients and projects
  • Clients sign on any phone
  • Card and bank payments, no extra BuildWell fee
  • iPhone, Android and the web
Start free trial

Both plans include every feature and start with a 3-day free trial. Add a card to start; you’re not charged until the trial ends. Cancel anytime.

Common questions

01Where do AI estimate prices come from?
It differs. Contractor+ prices from your cost book, supplier prices and a labor-rate index. Handoff says it draws on completed estimates, supplier catalogs and local labor rates, plus your own pricing catalogs. BuildWell’s AI never sets prices: materials come from stores near the job and labor from local BLS wages. Joist’s AI page describes drafting from your description for you to review. [3][7][5][14][10]
02Can I edit an AI estimate?
Yes, in each of these. Joist has you review every draft before sending, Contractor+ lets you change or override any line, Handoff recalculates totals as you edit, and BuildWell lets you change any line, quantity, hour or price. [10][3][6][14]
03Which plan includes AI estimates?
Joist includes its AI tools on every plan. Contractor+ includes Estimatic AI from Pro, metered by AI credits. Handoff’s Flex plan has 50 AI credits a month and higher plans are unlimited. BuildWell includes AI estimates in its one plan. [10][1][5][13]
04Can AI read a floor plan?
BuildWell reads a floor plan for measurements, Contractor+ accepts blueprints, and Handoff takes floor plans and offers AI takeoffs from residential plans on its Scale plan. [14][3][6][5]

Sources

Facts checked on October 4, 2026. Prices and plans change; check each company’s site before you buy.

  1. Contractor+ pricing (checked 2026-10-04)
  2. Contractor+ help: Freedom plan limits (checked 2026-10-04)
  3. Contractor+ AI estimating (checked 2026-10-04)
  4. Contractor+ estimate software (checked 2026-10-04)
  5. Handoff pricing (checked 2026-10-04)
  6. Handoff AI estimates (checked 2026-10-04)
  7. Handoff home page (checked 2026-10-04)
  8. Handoff integrations (checked 2026-10-04)
  9. Joist pricing (checked 2026-10-04)
  10. Joist AI estimates and invoices (checked 2026-10-04)
  11. Joist payments (checked 2026-10-04)
  12. Joist invoices (checked 2026-10-04)
  13. BuildWell pricing (checked 2026-10-04)
  14. BuildWell AI estimates (checked 2026-10-04)
  15. BuildWell client portal (checked 2026-10-04)
  16. BuildWell invoicing (checked 2026-10-04)
  17. BuildWell online payments (checked 2026-10-04)
  18. BuildWell estimate app (checked 2026-10-04)

More comparisons

More of BuildWell

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