Comparison

iForm vs Ariel Torque Guide

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

Ariel Torque Guide

This app provides quick access to fastener torques and clearances for Ariel compressors, serving as an electronic companion to engineering reference documents. It allows users to find specific values based on compressor model, fastener location, and part numbers, even without an internet connection.

Highlights
  • Determine fastener torques and clearances
  • Access data offline
  • Filter by compressor model, location, and type
  • Find clearance values by part number
  • Access customer support information
  • Link to technical documentation
Features
Read full description

Acting as an electronic companion to Ariel’s Engineering Reference Torque documents, the Ariel Torque Guide allows you to quickly and conveniently determine the proper fastener torques and clearances for your Ariel compressor. Torque and clearance values within the app can be accessed without cellular service or Wi-Fi, giving you access to comprehensive Ariel information and support anytime, anywhere. The Ariel Torque Guide allows you to: • Find torque values and clearance values based on your compressor model, fastener location, and fastener type for the compressor you are working on • Find clearance values for piston rings, rider rings, and wearband based on part numbers • Access torque values while working in remote locations • Easily access Ariel Customer Support information • Conveniently link to technical support documentation on the Ariel website • Automatically update when connected to Wi-Fi or cellular data

Screenshots

iForm4 screens
Ariel Torque Guide4 screens

Verdict

The call

The clearest difference is rating: Ariel Torque Guide at 4.8 against iForm's 4.4. Ariel Torque Guide also leads on review sentiment (100% vs 74%). iForm's advantage is update cadence (every 2 weeks vs every 2 months) and ratings volume (178 vs 8). 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

Ariel Torque Guide 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 8, so its average is the more settled of the two. Written reviews point the same way: 74% of iForm's written reviews are positive against 100% of Ariel Torque Guide's.

UpkeepUpdate frequency

iForm ships an update every 2 weeks, Ariel Torque Guide every 2 months. The most recent releases landed on September 20, 2026 and July 25, 2026 respectively.

Scorecard5 real differences · 5 level
iForm versus Ariel Torque Guide: the parameters behind the verdict, then further details
ParameteriFormAriel Torque Guide
PriceFreeFree
Rating4.4 (178 ratings)4.8 (8 ratings) — better
Positive reviews74.3% of reviews100.0% of reviews — better
Number of ratings178 — better8
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size103 MB52 MB
Age rating17+4+
DeveloperZerion SoftwareAriel Corporation

Customer experience

iForm

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

Ariel Torque Guide

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
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

Ariel Torque Guide

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

iForm

No in-app purchases

None

Ariel Torque Guide

No in-app purchases

Questions

Is iForm free?
iForm is free to download, with no in-app purchases.
Is Ariel Torque Guide free?
Ariel Torque Guide is free to download, with no in-app purchases.
Which has better reviews, iForm or Ariel Torque Guide?
Ariel Torque Guide is rated higher. iForm averages 4.4 out of 5 from 178 ratings, while Ariel Torque Guide averages 4.8 from 8 ratings.
Do iForm or Ariel Torque Guide have ads?
Neither iForm nor Ariel Torque Guide shows ads.
Which is updated more often, iForm or Ariel Torque Guide?
iForm ships an update every 2 weeks, and Ariel Torque Guide every 2 months. Most recently, iForm was updated on September 20, 2026 and Ariel Torque Guide on July 25, 2026.

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