# Lyn vs Klugr

The clearest difference is ads: Lyn at none against Klugr's shown. Klugr's advantage is update cadence (every 9 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Lyn sells 3 in-app purchases, starting at $4.99 per month and Klugr sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Lyn ships an update every 3 weeks, Klugr every 9 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Lyn | Klugr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/lyn-ai-tutor-and-study-help/id6740411879/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 90 MB | 33 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thuemmler AI GmbH](https://appshunter.io/developer/1772217985) | [Perjan ProfessionalProductPartners FlexKapG](https://appshunter.io/developer/1799564039) |

## What reviewers say

### Lyn

[App page](https://appshunter.io/ios/app/lyn-ai-tutor-and-study-help/id6740411879)

This AI-powered tutor provides instant help with school subjects, homework, and exam preparation. It offers step-by-step explanations, transforms study materials into flashcards, and includes a voice mentor for interactive learning.

**Highlights:** AI tutor for all school subjects, Homework assistance and explanation, Convert study materials to flashcards, Voice mentor and language practice, Spaced repetition flashcards, Personalized learning projects

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nachhilfe Mentor Pro | $4.99 | per month |
| Nachhilfe Mentor Pro | $6.99 | per month |
| Nachhilfe Mentor Pro | $49.99 | per year |


### Klugr

[App page](https://appshunter.io/ios/app/klugr/id6742713131)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Klügr Premium Monthly | $7.99 | per month |
| Klugr Premium Yearly (30% off) | $69.90 | per year |


## Frequently asked questions

### Is Lyn free?

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

### Is Klugr free?

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

### Do Lyn or Klugr have ads?

Klugr shows ads; Lyn does not.

### Which is updated more often, Lyn or Klugr?

Lyn ships an update every 3 weeks, and Klugr every 9 days. Most recently, Lyn was updated on October 24, 2026 and Klugr on October 28, 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.*