Comparison

iForm vs FEI Rental Manager

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

FEI Rental Manager

Manage your environmental monitoring equipment rentals efficiently. This app allows active customers to schedule pickups, find equipment, locate branches, and access support resources easily.

Highlights
  • Schedule equipment pickups and returns
  • Browse instrument and supply catalog
  • Find nearest branch locations
  • Communicate with staff
  • Access project support resources
Features
Read full description

Manage your environmental monitoring rentals with ease. The FEI app is designed exclusively for active Field Environmental Instruments (FEI) customers, giving you convenient access to the tools and resources you need—anytime, anywhere. From scheduling pickups to finding equipment and support, everything is right at your fingertips. With the FEI app, you can: Schedule and manage equipment pickups and returns Browse FEI’s instrument and supply catalog Find your nearest FEI branch Communicate quickly and easily with FEI staff Access helpful resources to support your projects About Field Environmental Instruments Established in 1995, Field Environmental Instruments (FEI) is an employee‑owned environmental instrumentation rental and supply company headquartered in Pittsburgh, Pennsylvania, with 14 full‑service branch offices nationwide. FEI offers an extensive inventory of environmental monitoring and sampling equipment, backed by reliable expertise and a strong commitment to customer service—helping clients execute their projects with confidence.

Screenshots

iForm4 screens
FEI Rental Manager4 screens

Verdict

The call

The clearest difference is rating: FEI Rental Manager at 5.0 against iForm's 4.4. iForm's advantage is ads (none vs shown) and update cadence (fortnightly vs every 4 months). On price, in-app purchases, device support and iOS requirement 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

FEI Rental Manager holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: iForm has 180 ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

iForm ships an update fortnightly, FEI Rental Manager every 4 months. The most recent releases landed on October 22, 2026 and October 9, 2026 respectively.

Scorecard5 real differences · 5 level
iForm versus FEI Rental Manager: the parameters behind the verdict, then further details
ParameteriFormFEI Rental Manager
PriceFreeFree
Rating4.4 (180 ratings)5.0 (4 ratings) — better
Positive reviews74.3% of reviews—
Number of ratings180 — better4
Update frequencyFortnightly — betterEvery 4 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size76 MB18 MB
Age rating4+4+
DeveloperZerion SoftwareField Environmental Instruments Inc.

Customer experience

iForm

All ratings180 ratings
Positive85.0%
Neutral5.0%
Negative10.0%
Written reviews101 reviews
Positive74.3%
Neutral10.9%
Negative14.9%

FEI Rental Manager

All ratings3 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

FEI Rental Manager

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

iForm

No in-app purchases

None

FEI Rental Manager

No in-app purchases

Questions

Is iForm free?
iForm is free to download, with no in-app purchases.
Is FEI Rental Manager free?
FEI Rental Manager is free to download, with no in-app purchases.
Which has better reviews, iForm or FEI Rental Manager?
FEI Rental Manager is rated higher. iForm averages 4.4 out of 5 from 180 ratings, while FEI Rental Manager averages 5.0 from 4 ratings.
Do iForm or FEI Rental Manager have ads?
FEI Rental Manager shows ads; iForm does not.
Which is updated more often, iForm or FEI Rental Manager?
iForm ships an update fortnightly, and FEI Rental Manager every 4 months. Most recently, iForm was updated on October 22, 2026 and FEI Rental Manager on October 9, 2026.

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