# KEI vs Student Jassen

The clearest difference is iOS requirement: KEI at 15.5 against Student Jassen's 18.2. 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.

KEI ships an update every 2 weeks, Student Jassen every 10 days. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | KEI | Student Jassen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Size | 13 MB | 16 MB |
| Requires iOS | **15.5** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 9+ | 17+ |
| Developer | [Appademic B.V.](https://appshunter.io/developer/549442191) | [Ruben Korbeeck](https://appshunter.io/developer/6802227462) |

## What reviewers say

### KEI

[App page](https://appshunter.io/ios/app/kei-week/id1218784042)

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

**In-app purchases:** none


### Student Jassen

[App page](https://appshunter.io/ios/app/student-jassen/id6802227310)

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

**In-app purchases:** none


## Frequently asked questions

### Is KEI free?

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

### Is Student Jassen free?

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

### Do KEI or Student Jassen have ads?

Neither KEI nor Student Jassen shows ads.

### Which is updated more often, KEI or Student Jassen?

KEI ships an update every 2 weeks, and Student Jassen every 10 days. Most recently, KEI was updated on October 13, 2026 and Student Jassen on October 16, 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.*