# Time to Study vs Feynman AI

The clearest difference is in-app purchases: Time to Study at none against Feynman AI's 7. Feynman AI's advantage is ads (none vs shown) and update cadence (every 6 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Feynman AI sells 7 in-app purchases, starting at $2.99 per 7 days. Time to Study asks for nothing beyond the download.

Time to Study ships an update every 2 months, Feynman AI every 6 days. The most recent releases landed on October 9, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Time to Study | Feynman AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (50 ratings)](https://appshunter.io/ios/app/feynman-ai-study-notes-maker/id6738310899/reviews)** |
| Number of ratings | — | **50** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 31 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andre Callus](https://appshunter.io/developer/1667756301) | [Baris Can Sertkaya](https://appshunter.io/developer/1713137184) |

## What reviewers say

### Time to Study

[App page](https://appshunter.io/ios/app/time-to-study/id6449934821)

**Features:** macOS Compatibility

**In-app purchases:** none


### Feynman AI

[App page](https://appshunter.io/ios/app/feynman-ai-study-notes-maker/id6738310899)

This app helps you learn complex topics faster by explaining them in your own words, like teaching a child. It provides AI-powered feedback and allows you to create notes from various sources. Ideal for students and self-learners.

**Highlights:** Learn complex topics faster, AI-powered feedback, Create notes from YouTube, audio, text, images, Explain concepts like teaching a child, Refine understanding through repetition

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |
| Premium Weekly | $4.99 | per 7 days |
| Weekly Premium | $6.99 | per 7 days |
| Weekly Premium | $6.99 | per 7 days |
| Premium Monthly | $9.99 | per month |
| Yearly Premium | $39.99 | per year |
| Premium Annual | $39.99 | per year |


## Frequently asked questions

### Is Time to Study free?

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

### Is Feynman AI free?

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

### Do Time to Study or Feynman AI have ads?

Time to Study shows ads; Feynman AI does not.

### Which is updated more often, Time to Study or Feynman AI?

Time to Study ships an update every 2 months, and Feynman AI every 6 days. Most recently, Time to Study was updated on October 9, 2026 and Feynman AI on September 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.*