Comparison

iForm vs TetraForms

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iForm

Collect data offline on your mobile device for surveys, inspections, and more. Create custom forms online and sync data seamlessly. Ideal for businesses seeking to boost productivity and reduce paper usage.

Highlights
  • Offline data collection
  • Custom form creation
  • Over-the-air form distribution
  • Real-time data upload
  • Multiple data output views (Map, HTML, PDF, Excel)
  • Seamless back-end integration
Features
Read full description

iForm brings business grade, offline data collection to iPhones, iPads and iPod Touches. Utilized by 3 of the top 10 hotel brands in the world, the largest hospital in the US, the US Government, top franchises, amusement parks, and hundreds of small/mid size businesses, iForm helps you increase productivity, reduce costs, and reduce paper use. Conduct surveys, inspections, walk-throughs, work-orders, audits, tasks, research studies and clinical trials easily and cost effectively on your iPad, iPhone, or iPod Touch. Using the iFormBuilder web interface, users can create business grade forms that will work seamlessly across all supported devices. Data views give you the flexibility to see your data in a variety of outputs including Map View, HTML View, PDF View and Excel View. Data feeds (XML, JSON, XLS, RSS, ATOM) offer seamless integration with your back-end systems. The iFormBuilder platform gives you the power to turn your mobile device into an enterprise grade data collection tool. Key Benefits: -Quick turn-around with over-the-air form distribution -Real time data upload -Offline data collection (out of service, no wifi) -Ensures accurate data capture and eliminates redundancy -Immediately communicate changes and updates to your mobile workforce with server assignment and client-to-client assignment -Massively scalable -Maximum security (being used by HIPAA and FISMA regulated projects) **Please upload all records before upgrading** Note: Continued use of GPS running in the background can dramatically decrease battery life.

About

TetraForms

This platform enables the creation and deployment of mobile forms for data collection. It is specifically customized for a particular workforce, allowing login with existing credentials.

Highlights
  • Custom form development
  • Mobile workforce deployment
  • Secure login with existing credentials
  • Data collection platform
  • Tetra Tech customization
Features
Read full description

TetraForms is a robust mobile data collection platform that allows users to easily develop forms and deploy them to their mobile workforce. TetraForms has been fully customized for Tetra Tech. You can login to TetraForms using your Tetra Tech credentials.

Screenshots

iForm4 screens
TetraForms4 screens

Verdict

The call

The clearest difference is update cadence: iForm at every 2 weeks against TetraForms's every 9 months. iForm also leads on ratings volume (178 vs 5). TetraForms's advantage is rating (4.8 vs 4.4) and iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

TetraForms holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: iForm has 178 ratings behind it against 5, so its average is the more settled of the two.

UpkeepUpdate frequency

iForm ships an update every 2 weeks, TetraForms every 9 months. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.

Scorecard4 real differences · 6 level
iForm versus TetraForms: the parameters behind the verdict, then further details
ParameteriFormTetraForms
PriceFreeFree
Rating4.4 (178 ratings)4.8 (5 ratings) — better
Positive reviews74.3% of reviews—
Number of ratings178 — better5
Update frequencyEvery 2 weeks — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.09.0 — better
Further details — not scored
Size76 MB127 MB
Age rating17+4+
DeveloperZerion Software, Inc.Tetra Tech Inc.

Customer experience

iForm

All ratings178 ratings
Positive84.8%
Neutral5.1%
Negative10.1%
Written reviews101 reviews
Positive74.3%
Neutral10.9%
Negative14.9%

TetraForms

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

iForm

Reported bugs

14 issues
  • App crashes on startup and during use
  • Login screen displays without instructions
  • Account validation failures after creation
  • Forms not downloading or uploading properly
  • Missing text input fields in forms
Show 9 more
  • Redlaser widget causes app crashes
  • Performance degradation with module switching
  • Data loss when uploading to office systems
  • Low memory warnings and slowdowns
  • Photo and text data persisting incorrectly across forms
  • Calculation totals exceeding maximum values
  • Crashes when submitting data with pending records
  • Incompatibility with certain iPad models
  • Flash-based backend causing compatibility issues

Requested features

14 requests
  • Edit option for submitted entries
  • Ability to reference and populate fields from prior data
  • View historical data through the app
  • Improved PDF layout customization for branding
  • Credit card payment integration
Show 9 more
  • Better capacity management and record limits
  • Guest user access functionality
  • Free or reduced pricing for educational use
  • Enhanced training and documentation resources
  • Conditional logic for surveys (if/then questions)
  • Improved form creation interface on website
  • Better memory optimization
  • Support for multiple languages
  • Real-time collaboration features

TetraForms

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

iForm

No in-app purchases

None

TetraForms

No in-app purchases

Questions

Is iForm free?
iForm is free to download, with no in-app purchases.
Is TetraForms free?
TetraForms is free to download, with no in-app purchases.
Which has better reviews, iForm or TetraForms?
TetraForms is rated higher. iForm averages 4.4 out of 5 from 178 ratings, while TetraForms averages 4.8 from 5 ratings.
Do iForm or TetraForms have ads?
Neither iForm nor TetraForms shows ads.
Which is updated more often, iForm or TetraForms?
iForm ships an update every 2 weeks, and TetraForms every 9 months. Most recently, iForm was updated on October 10, 2026 and TetraForms on October 4, 2026.

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