# Feynman Learning Study Tracker vs Einstein AI

The clearest difference is in-app purchases: Feynman Learning Study Tracker at none against Einstein AI's 2. Feynman Learning Study Tracker also leads on update cadence (every 2 days vs every 2 weeks). Einstein AI's advantage is iOS requirement (15.1 vs 17.5). On price, ads and device support there is nothing between them.

Both are free to download. Einstein AI sells 2 in-app purchases, starting at $4.99 per 7 days. Feynman Learning Study Tracker asks for nothing beyond the download.

Feynman Learning Study Tracker ships an update every 2 days, Einstein AI every 2 weeks. The most recent releases landed on September 24, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Feynman Learning Study Tracker | Einstein AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (21 ratings)](https://appshunter.io/ios/app/einstein-ai-learn-and-memorize/id6741355940/reviews)** |
| Number of ratings | — | **21** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | — | Subscription |
| Size | 1 MB | 31 MB |
| Requires iOS | 17.5 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Halil Can Ugur](https://appshunter.io/developer/1765607029) | [A. Furkan Suren](https://appshunter.io/developer/1723613226) |

## What reviewers say

### Feynman Learning Study Tracker

[App page](https://appshunter.io/ios/app/feynman-learning-study-tracker/id6738595754)

**In-app purchases:** none


### Einstein AI

[App page](https://appshunter.io/ios/app/einstein-ai-learn-and-memorize/id6741355940)

This app uses AI to generate structured study content and quizzes on any topic. It provides instant feedback and detailed explanations to help users learn faster and improve retention.

**Highlights:** AI-generated study content, Instant quizzes, Detailed feedback and corrections, Learn any topic, Boost knowledge retention, Structured learning format

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $4.99 | per 7 days |
| Yearly Pro | $39.99 | per year |


## Frequently asked questions

### Is Feynman Learning Study Tracker free?

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

### Is Einstein AI free?

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

### Do Feynman Learning Study Tracker or Einstein AI have ads?

Neither Feynman Learning Study Tracker nor Einstein AI shows ads.

### Which is updated more often, Feynman Learning Study Tracker or Einstein AI?

Feynman Learning Study Tracker ships an update every 2 days, and Einstein AI every 2 weeks. Most recently, Feynman Learning Study Tracker was updated on September 24, 2026 and Einstein AI on September 19, 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.*