# Pro Osteo vs PE

The clearest difference is iOS requirement: PE at 13.0 against Pro Osteo's 15.5. 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.

Pro Osteo ships an update every 7 months, PE every 4 months. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Pro Osteo | PE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Size | 66 MB | 35 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Panta Rhei Opleidingen B.V.](https://appshunter.io/developer/1484811979) | [Xaurum](https://appshunter.io/developer/1201802213) |

## What reviewers say

### Pro Osteo

[App page](https://appshunter.io/ios/app/pro-osteo/id950070129)

**Features:** Vision Pro support

**In-app purchases:** none


### PE

[App page](https://appshunter.io/ios/app/pe-online/id1201802214)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pro Osteo free?

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

### Is PE free?

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

### Do Pro Osteo or PE have ads?

Neither Pro Osteo nor PE shows ads.

### Which is updated more often, Pro Osteo or PE?

Pro Osteo ships an update every 7 months, and PE every 4 months. Most recently, Pro Osteo was updated on October 3, 2026 and PE on October 10, 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.*