Softwr

Construction · head to head

Buildxact vs Kahua

Buildxact logo

Buildxact

Construction

Estimating and construction management for builders, remodelers and material dealers

From
Free
Rated
-
Full reviewWebsite
Kahua logo

Kahua

Construction

Cloud platform for construction and capital projects

From
$400/month
Rated
-
Full reviewWebsite

The short version

  • Only Buildxact has a free tier, so it costs nothing to try first.
  • Each has a real cost: Buildxact 15% discount applied only to annual billing; Kahua no standard pricing tiers published; all pricing is custom and quote-based
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Buildxact and Kahua actually diverge.

Attributes where Buildxact and Kahua differ
AttributeBuildxactKahua
Starting priceFree$400/month
Free tierYesNo
PlatformsWebWeb, Ios, Android
FoundedUnknown2007

Identical on both: pricing model (subscription), user rating (Not yet rated), category (Construction).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Buildxact

Nothing recorded that Kahua does not also cover.

Only in Kahua

  • Project management
  • Document control
  • Collaboration
  • Issue tracking
  • Reporting
  • Microsoft 365
  • Slack
  • Box

What people use each for

The jobs each tool is most often brought in to do.

Buildxact

  • Reducing estimation time from 30-40 hoursnot Kahua
  • Managing projects from lead to invoicenot Kahua
  • Generating estimates with digital signaturesnot Kahua
  • Integrating material dealers into workflownot Kahua

Kahua

  • Acting as the system of record for a capital construction program across the asset lifecyclenot Buildxact
  • Public agencies and program managers tracking portfolios of projectsnot Buildxact
  • General contractors standardising project delivery and cost control across active projectsnot Buildxact
  • Specialty contractors managing crews, work orders and project financialsnot Buildxact

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Buildxact

  • 15% discount applied only to annual billing
  • Advanced AI add-ons require additional per-month fees

Kahua

  • No standard pricing tiers published; all pricing is custom and quote-based
  • Pricing varies by organization type, program or construction scale, selected package, and deployment environment
  • Implementation costs for data migration, integrations, training, and configuration scoped separately and included in quote

Pricing, plan by plan

Buildxact

Free
  • GoFree
    • 5 complimentary credits
    • AI Estimating
    • Professional Proposals
  • Foundation$199/month
    • Unlimited users
    • Lead management
    • Digital takeoffs
  • Pro$399/month
    • All Foundation features
    • Blu Estimate Generator
    • Job management
  • Master$599/month
    • All Pro features
    • Blu Takeoff Assistant
    • Blu Estimate Reviewer

Kahua

$400/month
  • Professional$400/month
    • Project management
    • Document control
    • Collaboration
  • EnterpriseFree
    • Advanced analytics
    • Custom workflows
    • API access

Which should you pick?

Choose Buildxact if

  • You want to start without paying.
Buildxact review

Choose Kahua if

  • You need project management.
  • You work on Web, Ios, Android.
  • You also want document control.
Kahua review

Questions people ask

Is Buildxact or Kahua better?
Neither clearly leads. Buildxact starts at Free and Kahua at $400/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Buildxact or Kahua?
Buildxact has a free tier; the other does not. Paid plans start at Free for Buildxact and $400/month for Kahua.
Does Buildxact or Kahua run on more platforms?
Buildxact runs on Web. Kahua runs on Web, Ios, Android.
Can I use Buildxact for free?
Yes. Buildxact has a free tier, so you can try it without paying. Kahua starts at $400/month.
What is Buildxact best used for?
Buildxact is most often used for reducing estimation time from 30-40 hours, managing projects from lead to invoice, generating estimates with digital signatures, integrating material dealers into workflow. Of those, reducing estimation time from 30-40 hours and managing projects from lead to invoice are not what Kahua is typically brought in for.
What can Buildxact do that Kahua cannot?
Kahua covers Project management, Document control, Collaboration, Issue tracking.

Answered from the vendors’ own pages

Buildxact: Does Buildxact offer a free tier?

Yes, Buildxact's Go plan is free and includes 5 complimentary credits for AI Estimating and Professional Proposals, plus access to Home Depot Material Ordering.

Source
Kahua: How much does Kahua cost?

Kahua does not publish standard pricing. Costs vary by organization type (Owners/Program Managers, General Contractors, Specialty Contractors), program scale, selected package, deployment environment, and implementation requirements. Customers must request pricing quotes.

Source
Buildxact: What is the price difference between monthly and annual billing?

Annual plans include a 15% discount. For example, Foundation costs $199/month on monthly billing but $169/month ($2,030/year) on annual billing, saving $358 per year.

Source
Kahua: What package options does Kahua offer?

Kahua offers three main package categories: Owners and Program Managers, General Contractors, and Specialty Contractors. Additional specialty apps and suites including capital planning, analytics, asset management, and safety can extend the base solution.

Source
Buildxact: How many users can access Buildxact?

Foundation, Pro, and Master plans include unlimited users. The free Go plan does not specify user limits.

Source
Kahua: Are implementation and integration costs included in Kahua pricing?

Implementation details including data migration, integrations, training, and configuration are scoped based on requirements and clearly identified in the custom quote provided.

Source
Buildxact: What add-on costs are available?

Additional AI tools cost $99/month for Blu Takeoff Assistant and $149/month for Blu Estimate Reviewer, available on Pro and Master plans.

Source
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