# iForm vs FEI Rental Manager

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.

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

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.

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.

## The numbers

| Metric | iForm | FEI Rental Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (180 ratings)](https://appshunter.io/ios/app/iform/id378502270/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/fei-rental-manager/id1528779671/reviews)** |
| Number of ratings | **180** | 4 |
| Positive reviews | 74.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | **Free** | Ad-supported |
| Size | 76 MB | 18 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zerion Software](https://appshunter.io/developer/300203405) | [Field Environmental Instruments Inc.](https://appshunter.io/developer/1528779670) |

## What reviewers say

### iForm

[App page](https://appshunter.io/ios/app/iform/id378502270)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Massively scalable and automated data collection
- 👍 Easy to learn with low/no code requirements
- ⭐ Excellent customer support and responsive team
- 🔌 Works offline with seamless synchronization
- 🗺️ Strong integration with mapping and Esri tools

**What reviewers complain about**

- 💰 Expensive subscription model ($12.50-$10,000+ per year)
- 🐛 Frequent crashes and stability issues
- ❌ Misleading 'free' app description without clear pricing
- 🔐 Confusing onboarding and account creation process
- 📱 Poor iPhone compatibility with multiple errors

**Reported bugs**

- 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

**Requested features**

- 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


### FEI Rental Manager

[App page](https://appshunter.io/ios/app/fei-rental-manager/id1528779671)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*