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Construction · head to head

Kahua vs STACK Construction Technologies

Kahua logo

Kahua

Construction

Cloud platform for construction and capital projects

From
$400/month
Rated
-
Full reviewWebsite
STACK Construction Technologies logo

STACK Construction Technologies

Construction

Takeoff and estimating software for preconstruction

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only STACK Construction Technologies has a free tier, so it costs nothing to try first.
  • Each has a real cost: Kahua no standard pricing tiers published; all pricing is custom and quote-based; STACK Construction Technologies takeoff and Estimate is priced per user at $249 per user per month, so cost scales linearly with estimators
  • They diverge on capability: Kahua covers Project management, STACK Construction Technologies covers Digital takeoff.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Kahua and STACK Construction Technologies actually diverge.

Attributes where Kahua and STACK Construction Technologies differ
AttributeKahuaSTACK Construction Technologies
Starting price$400/monthFree
Free tierNoYes
Founded20072011

Identical on both: pricing model (subscription), platforms (Web, Ios, Android), 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 Kahua

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

Only in STACK Construction Technologies

  • Digital takeoff
  • Estimating
  • Bid management
  • Proposal generation
  • Plan storage
  • QuickBooks
  • Sage
  • Zapier

Both cover

  • Procore
  • Data encryption
  • Web support
  • Ios support
  • Android support

What people use each for

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

Kahua

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

STACK Construction Technologies

  • Construction project estimation and biddingnot Kahua
  • Field operations and daily reportingnot Kahua
  • Construction project managementnot Kahua
  • Material and labor takeoffnot Kahua

Where each one falls short

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

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

STACK Construction Technologies

  • Takeoff and Estimate is priced per user at $249 per user per month, so cost scales linearly with estimators
  • The full platform combining takeoff, estimating and field management starts at $298 per user per month
  • Field and project management is sold as a separate Build and Operate product starting at $49 per user per month rather than bundled with takeoff
  • The Build and Operate product offers only a two-week free trial, with the free version limited to Takeoff and Estimate

Pricing, plan by plan

Kahua

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

STACK Construction Technologies

Free
  • Takeoff & Estimate$249/month
    • Quantity takeoff capabilities
    • Labor and material takeoff
    • Flexible estimates and proposals
  • Build & Operate$49/month
    • Responsive plan viewing and markup
    • Issues, punch lists, and daily reports
    • Customizable workflows
  • Full STACK Platform$298/month
    • Plan measurement and markup
    • Integrated estimating
    • Field and project management

Which should you pick?

Choose Kahua if

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

Choose STACK Construction Technologies if

  • You need digital takeoff.
  • You want to start without paying.
  • You work on Web, Ios, Android.
  • You also want estimating.
STACK Construction Technologies review

Questions people ask

Is Kahua or STACK Construction Technologies better?
Neither clearly leads. Kahua starts at $400/month and STACK Construction Technologies at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Kahua or STACK Construction Technologies?
STACK Construction Technologies has a free tier; the other does not. Paid plans start at $400/month for Kahua and Free for STACK Construction Technologies.
Does Kahua or STACK Construction Technologies run on more platforms?
Both run on Web, Ios, Android, so platform support will not decide this one for you.
Can I use STACK Construction Technologies for free?
Yes. STACK Construction Technologies has a free tier, so you can try it without paying. Kahua starts at $400/month.
What is Kahua best used for?
Kahua is most often used for acting as the system of record for a capital construction program across the asset lifecycle, public agencies and program managers tracking portfolios of projects, general contractors standardising project delivery and cost control across active projects, specialty contractors managing crews, work orders and project financials. Of those, acting as the system of record for a capital construction program across the asset lifecycle and public agencies and program managers tracking portfolios of projects are not what STACK Construction Technologies is typically brought in for.
What can Kahua do that STACK Construction Technologies cannot?
Kahua covers Project management, Document control, Collaboration, Issue tracking. STACK Construction Technologies covers Digital takeoff, Estimating, Bid management, Proposal generation. Both handle Procore, Data encryption, Web support, Ios support.

Answered from the vendors’ own pages

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
STACK Construction Technologies: How much does STACK Construction cost?

STACK costs $49 to $298 per user per month depending on the plan. Build & Operate starts at $49/user/month, Takeoff & Estimate at $249/user/month, and Full STACK Platform at $298/user/month. Pricing is quoted per-user and scales with team size.

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
STACK Construction Technologies: Does STACK offer free options?

Yes, Takeoff & Estimate includes a free version, and Build & Operate includes a two-week free trial. Full STACK Platform offers a Build Your Price option for custom configurations.

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
STACK Construction Technologies: Can I get custom pricing from STACK?

Yes, STACK offers a Build Your Price option for the Full STACK Platform and Takeoff & Estimate to accommodate specific business requirements. Custom pricing requires direct consultation with their sales team.

Source
STACK Construction Technologies: How quickly can STACK be implemented?

STACK promises quick implementation measured in hours rather than weeks, though the exact timeframe depends on your configuration and team size.

Source
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