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Construction · head to head

Buildxact vs Siteline

Buildxact logo

Buildxact

Construction

Estimating and construction management for builders, remodelers and material dealers

From
Free
Rated
-
Full reviewWebsite
Siteline logo

Siteline

Construction

Pay application and billing workflow built only for speciality subcontractors

From
On request
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; Siteline it serves subcontractors only, so a general contractor evaluating it is looking at the wrong side of the transaction entirely.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Buildxact and Siteline actually diverge.

Attributes where Buildxact and Siteline differ
AttributeBuildxactSiteline
Starting priceFreeOn request
Pricing modelsubscriptionquote
Free tierYesNo

Identical on both: platforms (Web), 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 Siteline does not also cover.

Only in Siteline

  • Pay application generation
  • Lien waiver management
  • Compliance document tracking
  • Billing status visibility
  • Accounting system integration
  • Accounts receivable reporting

What people use each for

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

Buildxact

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

Siteline

  • A trade contractor whose billing team rebuilds the same pay application in four different general contractor formats each monthnot Buildxact
  • A subcontractor losing a billing cycle to rejected applications over missing lien waiversnot Buildxact
  • A finance director trying to forecast collections across dozens of general contractors and retention balancesnot Buildxact
  • A growing subcontractor whose billing process depends entirely on one person and a spreadsheetnot 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

Siteline

  • It serves subcontractors only, so a general contractor evaluating it is looking at the wrong side of the transaction entirely.
  • It does not do job costing, project management or payroll, so it is an addition to your systems rather than a consolidation of them.
  • Value depends on a clean integration to your construction accounting system, and contractors with heavily customised or elderly installations should confirm the connection before signing.
  • General contractor portals and billing formats change without warning, and although the vendor absorbs that maintenance you still feel it as occasional friction in a month-end window with no slack.
  • The billing team has to adopt it fully in the first month-end or they revert to spreadsheets under deadline pressure, which makes the implementation timing more delicate than the software suggests.

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

Siteline

On request
  • Siteline$undefined/year
    • Pay application workflow
    • Lien waiver and compliance tracking
    • Accounting system integration

Which should you pick?

Choose Buildxact if

  • You want to start without paying.
Buildxact review

Choose Siteline if

  • You need pay application generation.
  • You also want lien waiver management.
Siteline review

Questions people ask

Is Buildxact or Siteline better?
Neither clearly leads. Buildxact starts at Free and Siteline at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Buildxact or Siteline?
Buildxact has a free tier; the other does not. Paid plans start at Free for Buildxact and On request for Siteline.
Does Buildxact or Siteline run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Buildxact for free?
Yes. Buildxact has a free tier, so you can try it without paying. Siteline starts at On request.
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 Siteline is typically brought in for.
What can Buildxact do that Siteline cannot?
Siteline covers Pay application generation, Lien waiver management, Compliance document tracking, Billing status visibility.

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
Siteline: Does it replace our accounting system?

No. It reads from Sage 300 CRE, Vista, Foundation and similar systems and handles the billing workflow those systems handle poorly.

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
Siteline: What should we measure in a trial?

Days sales outstanding and the number of rejected or delayed pay applications. The case is about cash timing, not headcount.

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
Siteline: Is it useful for general contractors?

No. It is built for the party submitting pay applications, not the party receiving them.

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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