Comparison

Kahua vs STACK Estimating

On the evidence we track, STACK Estimating leads this comparison with a composite score of 60/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

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Kahua49
★STACK Estimating60
Score
vioscaleAI score
Kahua49 / 100low · 46%
STACK Estimating60 / 100medium · 68%
Pricing
Free tier
Kahua✗
STACK Estimating✓
Model
Kahuaquote
STACK Estimatingfreemium
Price level
Kahuaunknown
STACK Estimatinglow
Transparent
Kahua✗
STACK Estimating✗
Integrations
Count
Kahua4
STACK Estimating1
Security
Disclosure policy
Kahua–
STACK Estimating✓
Fedramp
Kahua✓
STACK Estimating–
Gdpr
Kahua✓
STACK Estimating–
Iso27001
Kahua✓
STACK Estimating–
Pci
Kahua–
STACK Estimating✓
Soc2
Kahua✓
STACK Estimating✓
Trust center
STACK Estimating–
Reliability
Sla pct
Kahua99.998
STACK Estimating99.9
Status page
Kahua✓
STACK Estimating✓
Market
Availability
Content
Faq
Kahua5 items
STACK Estimating5 items

Capabilities

Feature-by-feature on the axes that matter for construction management software. “-” means undocumented, not absent.

Core
Primary module
KahuaProject management
STACK EstimatingEstimating/takeoff
Preconstruction
BIM / IFC support
KahuaNone / unknown
STACK Estimating-
Estimating and quantity takeoff
Kahua-
STACK Estimating✓
Documents
Document control and drawing management
Kahua✓
STACK Estimating✓
RFI and submittal management
Kahua✓
STACK Estimating-
Scheduling
Scheduling (Gantt / CPM)
Kahua✓
STACK Estimating-
Field
Safety and quality management
Kahua✓
STACK Estimating-
Mobile field app
KahuaMobile field app
STACK EstimatingMobile field app
Integrations
Accounting / ERP integration
Kahua✓
STACK Estimating✓
Compliance
ISO 19650 (BIM information management) support
Kahua✓
STACK Estimating-
SOC 2 attested
Kahua✓
STACK Estimating-
Pricing
Pricing model
KahuaPublished tiers
STACK Estimating-
Market
Target segment
KahuaGeneral contractor
STACK Estimating-

What each one is

The product in its own terms, so the numbers below have context.

Kahua

Enterprise software for owners, program managers, and contractors to plan, fund, control, and track capital projects across portfolios with integrated cost management, compliance workflows, and reporting.

Independently observed

STACK Estimating

Leader

A cloud-based software platform designed to help construction teams accelerate quantity takeoffs, develop cost estimates, and manage project documents using AI-powered measurement and analysis tools.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Kahua

Quote-based

Custom quote based on organization type, program scale, and deployment environment

  • Owners and Program ManagersContact sales
  • EssentialsContact sales
  • PremiumContact sales
as of verify ↗

STACK Estimating

Leader
Free tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Kahua✓
STACK Estimating✓
iOS
Kahua✓
STACK Estimating✗
Android
Kahua✓
STACK Estimating✗
Deployment
Cloud / SaaS
Kahua✓
STACK Estimating✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Kahua

5 total
  • ERP systems
  • Microsoft Project
  • Primavera P6
  • DocuSign
  • Dexter Chaney
Independently observed

STACK Estimating

Leader
1 total
  • QuickBooks Online
Independently observed
Still deciding?

Kahua or STACK Estimating: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.