# StudyUnfold vs Feynman AI

The clearest difference is ads: Feynman AI at none against StudyUnfold's shown. StudyUnfold's advantage is update cadence (every 3 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. StudyUnfold sells 3 in-app purchases, starting at $9.99 per 7 days and Feynman AI sells 3 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

StudyUnfold ships an update every 3 days, Feynman AI every 2 weeks. The most recent releases landed on September 13, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | StudyUnfold | Feynman AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Size | 46 MB | 11 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gwendal Brossard](https://appshunter.io/developer/1777436306) | [alperen bigin](https://appshunter.io/developer/1744725749) |

## What reviewers say

### StudyUnfold

[App page](https://appshunter.io/ios/app/studyunfold-flashcards-quizz/id6740080988)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $9.99 | per 7 days |
| Unlimited access | $19.99 | per month |
| Unlimited access | $99.99 | per year |


### Feynman AI

[App page](https://appshunter.io/ios/app/feynman-ai-study-and-learn/id6740183798)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| monthly | $14.99 | per month |
| yearly | $99.99 | per year |


## Frequently asked questions

### Is StudyUnfold free?

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

### Is Feynman AI free?

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

### Do StudyUnfold or Feynman AI have ads?

StudyUnfold shows ads; Feynman AI does not.

### Which is updated more often, StudyUnfold or Feynman AI?

StudyUnfold ships an update every 3 days, and Feynman AI every 2 weeks. Most recently, StudyUnfold was updated on September 13, 2026 and Feynman AI on September 16, 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.*