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Construction · head to head

iAuditor by SafetyCulture vs STACK Construction Technologies

iAuditor by SafetyCulture logo

iAuditor by SafetyCulture

Construction

Mobile inspection and safety management platform

From
Free
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

  • Each has a real cost: iAuditor by SafetyCulture the free plan is limited to 10 users and 5 active templates; 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: iAuditor by SafetyCulture covers Digital inspections, 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 iAuditor by SafetyCulture and STACK Construction Technologies actually diverge.

Attributes where iAuditor by SafetyCulture and STACK Construction Technologies differ
AttributeiAuditor by SafetyCultureSTACK Construction Technologies
Pricing modelfreemiumsubscription
Founded20042011

Identical on both: starting price (Free), free tier (Yes), 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 iAuditor by SafetyCulture

  • Digital inspections
  • Safety audits
  • Issue tracking
  • Analytics
  • Corrective actions
  • Microsoft Teams
  • Slack
  • Power BI

Only in STACK Construction Technologies

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

Both cover

  • Procore
  • Zapier
  • Data encryption
  • Access controls
  • Web support
  • Ios support
  • Android support

What people use each for

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

iAuditor by SafetyCulture

  • Mobile inspection checklists for field teams and compliance auditingnot STACK Construction Technologies
  • Real-time issue reporting and corrective action assignmentnot STACK Construction Technologies
  • Automated performance dashboards with real-time analytics and compliance trackingnot STACK Construction Technologies
  • Offline-capable inspections on iOS and Android without internet connectivitynot STACK Construction Technologies
  • Integration with SAP, Tableau, PowerBI for enterprise data systemsnot STACK Construction Technologies

STACK Construction Technologies

  • Construction project estimation and biddingnot iAuditor by SafetyCulture
  • Field operations and daily reportingnot iAuditor by SafetyCulture
  • Construction project managementnot iAuditor by SafetyCulture
  • Material and labor takeoffnot iAuditor by SafetyCulture

Where each one falls short

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

iAuditor by SafetyCulture

  • The free plan is limited to 10 users and 5 active templates
  • AI credits are metered per seat per month, at 300 on free, 500 on Premium and 800 on Enterprise
  • Unlimited templates and advanced analytics require Premium at $24 per seat per month billed annually
  • Paying monthly rather than annually raises Premium from $24 to $29 per seat
  • The 99.9% uptime commitment and 24/7 support are Enterprise only

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

iAuditor by SafetyCulture

Free
  • FreeFree
    • Unlimited inspections
    • Basic templates
    • Photo capture
  • Premium$19/month
    • Advanced analytics
    • Priority support
    • Integrations
  • EnterpriseFree
    • SSO
    • API access
    • Dedicated support

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 iAuditor by SafetyCulture if

  • You need digital inspections.
  • You want to start without paying.
  • You work on Web, Ios, Android.
  • You also want safety audits.
iAuditor by SafetyCulture 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 iAuditor by SafetyCulture or STACK Construction Technologies better?
Neither clearly leads. iAuditor by SafetyCulture starts at Free and STACK Construction Technologies at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, iAuditor by SafetyCulture or STACK Construction Technologies?
iAuditor by SafetyCulture starts at Free and STACK Construction Technologies at Free.
Does iAuditor by SafetyCulture 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 iAuditor by SafetyCulture for free?
Both have a free tier, so you can try either at no cost before committing.
What is iAuditor by SafetyCulture best used for?
iAuditor by SafetyCulture is most often used for mobile inspection checklists for field teams and compliance auditing, real-time issue reporting and corrective action assignment, automated performance dashboards with real-time analytics and compliance tracking, offline-capable inspections on ios and android without internet connectivity. Of those, mobile inspection checklists for field teams and compliance auditing and real-time issue reporting and corrective action assignment are not what STACK Construction Technologies is typically brought in for.
What can iAuditor by SafetyCulture do that STACK Construction Technologies cannot?
iAuditor by SafetyCulture covers Digital inspections, Safety audits, Issue tracking, Analytics. STACK Construction Technologies covers Digital takeoff, Estimating, Bid management, Proposal generation. Both handle Procore, Zapier, Data encryption, Access controls.

Answered from the vendors’ own pages

iAuditor by SafetyCulture: Is Mitti (formerly iAuditor) free?

Mitti offers a free tier to start inspections and manage issues. Pricing for premium or team plans is not displayed on the vendor website.

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
iAuditor by SafetyCulture: What is the cost of Mitti for small teams?

Mitti does not publish per-user or team-based pricing on its website. The vendor directs users to book a demo to discuss plans and costs.

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
iAuditor by SafetyCulture: Does Mitti charge per inspection or per user?

Mitti's pricing model (per-user, per-inspection, or flat-rate) is not disclosed on the vendor site. Users must request pricing information directly from sales.

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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