# Studieninstitut vs Green Learning

The clearest difference is in-app purchases: Studieninstitut at none against Green Learning's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Green Learning sells 2 in-app purchases, starting at $3.99 per month. Studieninstitut asks for nothing beyond the download.

Studieninstitut ships an update every 2 months, Green Learning every 5 weeks. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Studieninstitut | Green Learning |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | — | Subscription |
| Size | 228 MB | 66 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [istis Informations Systeme GmbH](https://appshunter.io/developer/1036932613) | [Die Pflanzenschule GbR](https://appshunter.io/developer/1725463366) |

## What reviewers say

### Studieninstitut

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

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

**In-app purchases:** none


### Green Learning

[App page](https://appshunter.io/ios/app/green-learning/id6475961711)

This app offers interactive quizzes based on user-selected subjects and difficulty levels. It features adaptive learning, allowing users to revisit incorrect answers and progress through levels. Users can also compete against others in a quiz arena.

**Highlights:** Customizable quizzes by subject and difficulty, Adaptive learning with repeated incorrect questions, Level progression system, Ability to switch subjects anytime, Competitive quiz arena

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monatliche Zahlung | $3.99 | per month |
| Jährliche Zahlung | $39.90 | per year |


## Frequently asked questions

### Is Studieninstitut free?

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

### Is Green Learning free?

Green Learning is free to download, with in-app purchases available.

### Do Studieninstitut or Green Learning have ads?

Neither Studieninstitut nor Green Learning shows ads.

### Which is updated more often, Studieninstitut or Green Learning?

Studieninstitut ships an update every 2 months, and Green Learning every 5 weeks. Most recently, Studieninstitut was updated on October 12, 2026 and Green Learning on October 8, 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.*