# OwlNote TLDL Notes Feynman AI vs Feynman AI Study

The clearest difference is update cadence: Feynman AI Study at every 6 days against OwlNote TLDL Notes Feynman AI's every 2 months. OwlNote TLDL Notes Feynman AI's advantage is iOS requirement (15.1 vs 18.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. OwlNote TLDL Notes Feynman AI sells 3 in-app purchases, starting at $3.99 per 7 days and Feynman AI Study sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

OwlNote TLDL Notes Feynman AI ships an update every 2 months, Feynman AI Study every 6 days. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | OwlNote TLDL Notes Feynman AI | Feynman AI Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 55 MB | 27 MB |
| Requires iOS | **15.1** | 18.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Olga Krolikowska](https://appshunter.io/developer/1727507942) | [Erkan Sevim](https://appshunter.io/developer/1759171363) |

## What reviewers say

### OwlNote TLDL Notes Feynman AI

[App page](https://appshunter.io/ios/app/owlnote-tldl-notes-feynman-ai/id6746122376)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Monthly | $7.99 | per month |
| Yearly | $24.99 | per year |


### Feynman AI Study

[App page](https://appshunter.io/ios/app/feynman-ai-study-studara/id6768278868)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $6.99 | per 7 days |
| Unlimited Access | $14.99 | per month |
| Unlimited Access | $49.99 | per year |


## Frequently asked questions

### Is OwlNote TLDL Notes Feynman AI free?

OwlNote TLDL Notes Feynman AI is free to download, with in-app purchases available.

### Is Feynman AI Study free?

Feynman AI Study is free to download, with in-app purchases available.

### Do OwlNote TLDL Notes Feynman AI or Feynman AI Study have ads?

Neither OwlNote TLDL Notes Feynman AI nor Feynman AI Study shows ads.

### Which is updated more often, OwlNote TLDL Notes Feynman AI or Feynman AI Study?

OwlNote TLDL Notes Feynman AI ships an update every 2 months, and Feynman AI Study every 6 days. Most recently, OwlNote TLDL Notes Feynman AI was updated on October 7, 2026 and Feynman AI Study on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*