# Einstein app vs OSIRIS Hmcollege

The clearest difference is iOS requirement: OSIRIS Hmcollege at 11.0 against Einstein app's 15.1. 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.

Einstein app ships an update every 3 months, OSIRIS Hmcollege every 4 months. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Einstein app | OSIRIS Hmcollege |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Size | 44 MB | 34 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Infowijs B.V.](https://appshunter.io/developer/1499461770) | [CACI bv](https://appshunter.io/developer/961337312) |

## What reviewers say

### Einstein app

[App page](https://appshunter.io/ios/app/einstein-app/id6504170764)

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

**In-app purchases:** none


### OSIRIS Hmcollege

[App page](https://appshunter.io/ios/app/osiris-hmcollege/id6749267797)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Einstein app free?

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

### Is OSIRIS Hmcollege free?

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

### Do Einstein app or OSIRIS Hmcollege have ads?

Neither Einstein app nor OSIRIS Hmcollege shows ads.

### Which is updated more often, Einstein app or OSIRIS Hmcollege?

Einstein app ships an update every 3 months, and OSIRIS Hmcollege every 4 months. Most recently, Einstein app was updated on October 8, 2026 and OSIRIS Hmcollege 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.*