# Prof vs Formiris

The clearest difference is iOS requirement: Formiris at 15.0 against Prof's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Prof ships an update every 3 weeks, Formiris every 5 weeks. The most recent releases landed on September 29, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Prof | Formiris |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 832 MB | 228 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Benjamin TATI](https://appshunter.io/developer/1583386758) | [FORMIRIS](https://appshunter.io/developer/1694888033) |

## What reviewers say

### Prof

[App page](https://appshunter.io/ios/app/prof-elem/id6448314455)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Formiris

[App page](https://appshunter.io/ios/app/formiris/id6450773918)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Prof free?

Prof is free to download, with no in-app purchases.

### Is Formiris free?

Formiris is free to download, with no in-app purchases.

### Do Prof or Formiris have ads?

Neither Prof nor Formiris shows ads.

### Which is updated more often, Prof or Formiris?

Prof ships an update every 3 weeks, and Formiris every 5 weeks. Most recently, Prof was updated on September 29, 2026 and Formiris on October 1, 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.*