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Construction · head to head

Assignar vs STACK Construction Technologies

Assignar logo

Assignar

Construction

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

From
On request
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: 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.; 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: Assignar covers Crew and equipment scheduling, STACK Construction Technologies covers Digital takeoff.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

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

Attributes where Assignar and STACK Construction Technologies differ
AttributeAssignarSTACK Construction Technologies
Starting priceOn requestFree
Pricing modelquotesubscription
Free tierNoYes
FoundedUnknown2011

Identical on both: 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 STACK Construction Technologies

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

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 STACK Construction Technologies
  • A concrete or earthworks subcontractor replacing paper dockets that arrive three days latenot STACK Construction Technologies
  • A contractor that must prove operator competency and induction status on regulated sitesnot STACK Construction Technologies
  • A self-perform contractor comparing actual crew hours against estimated production ratesnot STACK Construction Technologies

STACK Construction Technologies

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

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

Assignar

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

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 Assignar if

  • You need crew and equipment scheduling.
  • You work on Web, iOS, Android.
  • You also want digital dockets and timesheets.
Assignar 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 Assignar or STACK Construction Technologies better?
Neither clearly leads. Assignar starts at On request and STACK Construction Technologies at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Assignar or STACK Construction Technologies?
STACK Construction Technologies has a free tier; the other does not. Paid plans start at On request for Assignar and Free for STACK Construction Technologies.
Does Assignar or STACK Construction Technologies run on more platforms?
Assignar runs on Web, iOS, Android. STACK Construction Technologies runs on Web, Ios, Android.
Can I use STACK Construction Technologies for free?
Yes. STACK Construction Technologies has a free tier, so you can try it without paying. Assignar starts at On request.
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 STACK Construction Technologies is typically brought in for.
What can Assignar do that STACK Construction Technologies cannot?
Assignar covers Crew and equipment scheduling, Digital dockets and timesheets, Compliance and competency tracking, Forms and inspections. STACK Construction Technologies covers Digital takeoff, Estimating, Bid management, Proposal generation.

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.

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
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.

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
Assignar: Does it handle payroll?

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

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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