# Feynman vs TLDL

The clearest difference is in-app purchases: Feynman at none against TLDL's 12. Feynman also leads on update cadence (every 3 days vs every 9 days) and iOS requirement (9.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. TLDL sells 12 in-app purchases, starting at $9.99 per 7 days. Feynman asks for nothing beyond the download.

Feynman ships an update every 3 days, TLDL every 9 days. The most recent releases landed on October 15, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Feynman | TLDL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (7.2K ratings)](https://appshunter.io/ios/app/tldl-ai-lecture-note-taker/id6590628538/reviews)** |
| Number of ratings | — | **7.2K** |
| Positive reviews | — | 73.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 145 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed Kamal](https://appshunter.io/developer/1484659884) | [App Lock LLC](https://appshunter.io/developer/1822372649) |

## What reviewers say

### Feynman

[App page](https://appshunter.io/ios/app/feynman/id1486605848)

**Features:** macOS Compatibility

**In-app purchases:** none


### TLDL

[App page](https://appshunter.io/ios/app/tldl-ai-lecture-note-taker/id6590628538)

Record lectures in over 100 languages and let AI generate instant notes, flashcards, and quizzes. This app helps students focus, stay organized, and study efficiently, especially those with ADHD or dyslexia.

**Highlights:** Record lectures in 100+ languages, AI-generated notes, flashcards, and quizzes, Replay and review lectures, Focus-enhancing study tool, ADHD & Dyslexia friendly features, Share notes with classmates, All-in-one study companion

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $9.99 | per 7 days |
| Secret Discount Monthly | $9.99 | per month |
| Pro Monthly | $19.99 | per month |
| TLDL Pro Monthly | $19.99 | per month |
| Pro Semester | $49.99 | per 6 months |
| Pro Annual | $99.99 | per year |
| TLDL Pro Annual | $99.99 | per year |
| TLDL Pro 12 Months | $99.99 | per year |
| Unlimited TLDL Annual | $99.99 | per year |
| Secret Discount Annual | $99.99 | per year |
| Pro Family | $199.00 | per year |
| TLDL LIfetime | $199.99 | one-time |

**What reviewers like**

- 🚀 Efficient note-taking
- 👍 User-friendly interface
- 🚀 Accurate transcription and summarization
- 👍 Helpful for classes and studying
- 🚀 Time-saving

**What reviewers complain about**

- 💰 Expensive subscription
- 💰 Limited free features
- 🐛 Occasional bugs and glitches
- 🔒 Privacy concerns with cloud processing

**Reported bugs**

- Inconsistent language translation
- Login issues with Apple and Google accounts
- Onboarding process repeating on every app launch

**Requested features**

- More customization options for notes
- Ability to delete unwanted notes
- Offline note-taking capabilities
- Integration with Apple Watch or other wearables


## Frequently asked questions

### Is Feynman free?

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

### Is TLDL free?

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

### Do Feynman or TLDL have ads?

Neither Feynman nor TLDL shows ads.

### Which is updated more often, Feynman or TLDL?

Feynman ships an update every 3 days, and TLDL every 9 days. Most recently, Feynman was updated on October 15, 2026 and TLDL on October 29, 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.*