# Studieninstitut vs Aptitude Test App

The clearest difference is in-app purchases: Studieninstitut at none against Aptitude Test App's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Aptitude Test App sells 3 in-app purchases, starting at $17.99 per month. Studieninstitut asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Studieninstitut | Aptitude Test App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 228 MB | 30 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [istis Informations Systeme GmbH](https://appshunter.io/developer/1036932613) | [Marvin Rembrink](https://appshunter.io/developer/1712722277) |

## What reviewers say

### Studieninstitut

[App page](https://appshunter.io/ios/app/studieninstitut/id6443877210)

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

**In-app purchases:** none


### Aptitude Test App

[App page](https://appshunter.io/ios/app/aptitude-test-app/id6448704580)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Moantlich | $17.99 | per month |
| Premium-Version | $24.99 | one-time |
| Premium - Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Studieninstitut free?

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

### Is Aptitude Test App free?

Aptitude Test App is free to download, with in-app purchases available.

### Do Studieninstitut or Aptitude Test App have ads?

Neither Studieninstitut nor Aptitude Test App shows ads.

### Which is updated more often, Studieninstitut or Aptitude Test App?

Studieninstitut ships an update every 2 months, and Aptitude Test App every 2 months. Most recently, Studieninstitut was updated on October 27, 2026 and Aptitude Test App on November 3, 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.*