# Knowunity vs Lyn

The clearest difference is in-app purchases: Lyn at none against Knowunity's 45. Lyn also leads on ads (none vs shown) and rating (5.0 vs 4.7). Knowunity's advantage is update cadence (every 2 days vs every 3 weeks) and ratings volume (7.3K vs 2). On price, monetization model, device support and iOS requirement there is nothing between them.

Both are free to download. Knowunity sells 29 in-app purchases, starting at $2.99 per month. Lyn asks for nothing beyond the download.

Lyn holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Knowunity has 7.3K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 82% of Knowunity's written reviews are positive against 100% of Lyn's.

Knowunity ships an update every 2 days, Lyn every 3 weeks. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Knowunity | Lyn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (7.3K ratings)](https://appshunter.io/ios/app/knowunity-ai-study-and-homework/id1484296272/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/lyn-ai-tutor-and-study-help/id6740411879/reviews)** |
| Number of ratings | **7.3K** | 2 |
| Positive reviews | 81.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#39** | — |
| Size | 226 MB | 90 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Knowunity GmbH](https://appshunter.io/developer/1484296271) | [Thuemmler AI GmbH](https://appshunter.io/developer/1772217985) |

## What reviewers say

### Knowunity

[App page](https://appshunter.io/ios/app/knowunity-ai-study-and-homework/id1484296272)

**Currently charting:** #39 Top Free · Education, #193 Top Grossing · Education (US App Store)

This AI-powered study app helps students complete homework, understand concepts, and prepare for exams. Upload notes, videos, or lectures to generate flashcards, practice tests, and summaries. Get step-by-step homework solutions and personalized study plans.

**Highlights:** AI-powered homework solutions, Auto-generated flashcards and notes, Personalized exam study plans, Summarize uploaded notes and videos, Practice tests and quizzes, Chat with your notes

**Features:** Family Sharing

**In-app purchases (29)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knowunity Plus | $2.99 | per month |
| Knowunity Pro | $3.99 | per 7 days |
| Knowunity Pro | $4.99 | per 7 days |
| Knowunity Plus | $7.49 | per month |
| Knowunity Pro | $7.99 | per month |
| Knowunity Pro | $8.49 | per 7 days |
| Knowunity Pro | $8.99 | per month |
| Knowunity Pro | $9.99 | per month |
| Knowunity Pro | $9.99 | per month |
| Knowunity Pro | $13.49 | per month |
| Knowunity Pro | $13.99 | per month |
| Knowunity Pro | $15.99 | per month |
| Knowunity Pro | $19.95 | per 3 months |
| Knowunity Pro | $22.99 | per year |
| Knowunity Pro | $24.99 | per year |
| Knowunity Pro | $29.90 | per year |
| Knowunity Plus | $34.99 | per year |
| Knowunity Pro | $35.90 | per year |
| Knowunity Pro | $35.99 | per year |
| Knowunity Pro | $35.99 | per year |
| Knowunity Pro | $39.99 | per year |
| Knowunity Pro | $39.99 | per year |
| Knowunity Pro | $49.90 | per year |
| Knowunity Pro | $49.99 | per year |
| Knowunity Pro | $49.99 | per year |
| Knowunity Pro | $49.99 | per year |
| Knowunity Pro | $49.99 | per year |
| Knowunity Pro | $54.99 | per year |
| Knowunity Pro | $59.90 | per year |

**What reviewers like**

- 🚀 Helpful AI assistant
- 👍 Useful revision notes and flashcards
- 💡 Collaborative community features
- 🚀 Efficient study tools
- 👍 Free app with no ads

**What reviewers complain about**

- 🔒 Paywall for premium features
- 🐛 Bugs and glitches in the app
- 🔒 Restricted access for younger users
- 🐛 Inconsistent user experience after updates

**Reported bugs**

- Frequent app crashes and freezes
- Issues with uploading and saving notes
- Problems with group chat functionality
- Inconsistent behavior when navigating the app

**Requested features**

- Add more advanced class options
- Improve search and organization of notes
- Implement a draft feature for creating study materials
- Add more customization options


### 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:** none


## Frequently asked questions

### Is Knowunity free?

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

### Is Lyn free?

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

### Which has better reviews, Knowunity or Lyn?

Lyn is rated higher. Knowunity averages 4.7 out of 5 from 7.3K ratings, while Lyn averages 5.0 from 2 ratings.

### Do Knowunity or Lyn have ads?

Knowunity shows ads; Lyn does not.

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

Knowunity ships an update every 2 days, and Lyn every 3 weeks. Most recently, Knowunity was updated on October 18, 2026 and Lyn on October 12, 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.*