# iForm vs TetraForms

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.

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

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.

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.

## The numbers

| Metric | iForm | TetraForms |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (178 ratings)](https://appshunter.io/ios/app/iform/id378502270/reviews) | **[4.8 (5 ratings)](https://appshunter.io/ios/app/tetraforms/id1517832302/reviews)** |
| Number of ratings | **178** | 5 |
| Positive reviews | 74.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 9 months |
| Monetization | Free | Free |
| Size | 76 MB | 127 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Zerion Software, Inc.](https://appshunter.io/developer/300203405) | [Tetra Tech Inc.](https://appshunter.io/developer/1229865816) |

## 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


### TetraForms

[App page](https://appshunter.io/ios/app/tetraforms/id1517832302)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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.

---

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