Softwr

Construction · head to head

Assignar vs Kahua

Assignar logo

Assignar

Construction

Crew, equipment and compliance dispatch for self-perform and speciality contractors

From
On request
Rated
-
Full reviewWebsite
Kahua logo

Kahua

Construction

Cloud platform for construction and capital projects

From
$400/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Assignar it is built for contractors who own crews and plant, so a general contractor coordinating subcontractors gets little from it beyond its own self-perform scopes.; Kahua no standard pricing tiers published; all pricing is custom and quote-based
  • They diverge on capability: Assignar covers Crew and equipment scheduling, Kahua covers Project management.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Assignar and Kahua actually diverge.

Attributes where Assignar and Kahua differ
AttributeAssignarKahua
Starting priceOn request$400/month
Pricing modelquotesubscription
FoundedUnknown2007

Identical on both: free tier (No), 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 Assignar

  • Crew and equipment scheduling
  • Digital dockets and timesheets
  • Compliance and competency tracking
  • Forms and inspections
  • Offline mobile capture
  • Production and cost reporting

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.

Assignar

  • A civil contractor scheduling crews and plant across multiple sites from one dispatch boardnot Kahua
  • A concrete or earthworks subcontractor replacing paper dockets that arrive three days latenot Kahua
  • A contractor that must prove operator competency and induction status on regulated sitesnot Kahua
  • A self-perform contractor comparing actual crew hours against estimated production ratesnot Kahua

Kahua

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

Where each one falls short

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

Assignar

  • It is built for contractors who own crews and plant, so a general contractor coordinating subcontractors gets little from it beyond its own self-perform scopes.
  • It is not an accounting or payroll system, so the value depends on a clean integration to your finance system and on someone owning the reconciliation when hours disagree.
  • Australian origins show in terminology and compliance defaults, and North American users spend setup time translating concepts such as tickets and inductions into local equivalents.
  • Offline capture works, but photo-heavy forms on poor connections remain the weak point and should be tested on your worst site before a full rollout.
  • Supervisors have to maintain the schedule for the reporting to mean anything, and dispatchers used to a whiteboard resist that for months unless the change is enforced.

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

Assignar

On request
  • Assignar$undefined/year
    • Crew and equipment scheduling
    • Digital dockets and timesheets
    • Compliance tracking

Kahua

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

Which should you pick?

Choose Assignar if

  • You need crew and equipment scheduling.
  • You work on Web, iOS, Android.
  • You also want digital dockets and timesheets.
Assignar 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 Assignar or Kahua better?
Neither clearly leads. Assignar starts at On request and Kahua at $400/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Assignar or Kahua?
Assignar starts at On request and Kahua at $400/month.
Does Assignar or Kahua run on more platforms?
Assignar runs on Web, iOS, Android. Kahua runs on Web, Ios, Android.
What is Assignar best used for?
Assignar is most often used for a civil contractor scheduling crews and plant across multiple sites from one dispatch board, a concrete or earthworks subcontractor replacing paper dockets that arrive three days late, a contractor that must prove operator competency and induction status on regulated sites, a self-perform contractor comparing actual crew hours against estimated production rates. Of those, a civil contractor scheduling crews and plant across multiple sites from one dispatch board and a concrete or earthworks subcontractor replacing paper dockets that arrive three days late are not what Kahua is typically brought in for.
What can Assignar do that Kahua cannot?
Assignar covers Crew and equipment scheduling, Digital dockets and timesheets, Compliance and competency tracking, Forms and inspections. Kahua covers Project management, Document control, Collaboration, Issue tracking.

Answered from the vendors’ own pages

Assignar: Is this for general contractors or subcontractors?

Speciality and self-perform contractors. The unit of work is a crew and a machine on a shift, which is not how a general contractor coordinates trades.

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
Assignar: Does the mobile app work without signal?

Yes, entries are captured offline and synchronised later. Test it with photos attached on your worst site, because that is where sync problems appear.

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
Assignar: Does it handle payroll?

No. It captures hours and quantities and passes them to your payroll or enterprise resource planning system.

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
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