# OSIRIS Radboud University vs Sharpen Algorithms

The clearest difference is update cadence: Sharpen Algorithms at fortnightly against OSIRIS Radboud University's every 6 months. OSIRIS Radboud University's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

OSIRIS Radboud University ships an update every 6 months, Sharpen Algorithms fortnightly. The most recent releases landed on October 26, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | OSIRIS Radboud University | Sharpen Algorithms |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Size | 34 MB | 28 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CACI bv](https://appshunter.io/developer/961337312) | [Ivan Silvero](https://appshunter.io/developer/6774316127) |

## What reviewers say

### OSIRIS Radboud University

[App page](https://appshunter.io/ios/app/osiris-radboud-university/id1482728353)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sharpen Algorithms

[App page](https://appshunter.io/ios/app/sharpen-algorithms/id6774316125)

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

**In-app purchases:** none


## Frequently asked questions

### Is OSIRIS Radboud University free?

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

### Is Sharpen Algorithms free?

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

### Do OSIRIS Radboud University or Sharpen Algorithms have ads?

Neither OSIRIS Radboud University nor Sharpen Algorithms shows ads.

### Which is updated more often, OSIRIS Radboud University or Sharpen Algorithms?

OSIRIS Radboud University ships an update every 6 months, and Sharpen Algorithms fortnightly. Most recently, OSIRIS Radboud University was updated on October 26, 2026 and Sharpen Algorithms on October 14, 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.*