# OwlNote TLDL Notes Feynman AI vs StudyBuddy

The clearest difference is update cadence: OwlNote TLDL Notes Feynman AI at every 2 months against StudyBuddy's every 4 months. 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 StudyBuddy sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

OwlNote TLDL Notes Feynman AI ships an update every 2 months, StudyBuddy every 4 months. Both last shipped on October 28, 2026.

## The numbers

| Metric | OwlNote TLDL Notes Feynman AI | StudyBuddy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 55 MB | 49 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Olga Krolikowska](https://appshunter.io/developer/1727507942) | [Agrima Pandey](https://appshunter.io/developer/1858624139) |

## 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 |


### StudyBuddy

[App page](https://appshunter.io/ios/app/studybuddy-flashcard-and-quiz/id6756127799)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StudyBuddy Pro Monthly | $9.99 | per month |
| StudyBuddy Pro Annual | $69.99 | 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 StudyBuddy free?

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

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

Neither OwlNote TLDL Notes Feynman AI nor StudyBuddy shows ads.

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

OwlNote TLDL Notes Feynman AI ships an update every 2 months, and StudyBuddy every 4 months. Most recently, OwlNote TLDL Notes Feynman AI was updated on October 28, 2026 and StudyBuddy on October 28, 2026.

---

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