# Knowingo vs OSIRIS Radboud University

The clearest difference is update cadence: Knowingo at every 3 weeks against OSIRIS Radboud University's every 6 months. 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.

Knowingo ships an update every 3 weeks, OSIRIS Radboud University every 6 months. The most recent releases landed on October 7, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Knowingo | OSIRIS Radboud University |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/knowingo/id1020590857/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free | — |
| Size | 59 MB | 34 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Knowingo B.V.](https://appshunter.io/developer/1816915376) | [CACI bv](https://appshunter.io/developer/961337312) |

## What reviewers say

### Knowingo

[App page](https://appshunter.io/ios/app/knowingo/id1020590857)

This app transforms learning into an engaging experience with quick, trivia-style quizzes. Earn experience, level up, and gain titles by answering questions accurately and studying materials. Daily challenges are provided to enhance knowledge and earn rewards, with certificates available to prove mastery.

**Highlights:** Trivia-style quizzes, Daily challenges, Experience and leveling system, Earn titles and rewards, Study materials, Mastery certificates

**In-app purchases:** none


### OSIRIS Radboud University

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Knowingo free?

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

### Is OSIRIS Radboud University free?

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

### Do Knowingo or OSIRIS Radboud University have ads?

Neither Knowingo nor OSIRIS Radboud University shows ads.

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

Knowingo ships an update every 3 weeks, and OSIRIS Radboud University every 6 months. Most recently, Knowingo was updated on October 7, 2026 and OSIRIS Radboud University on October 26, 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.*