# FeynmanStudy vs Learn by Teaching

The clearest difference is iOS requirement: FeynmanStudy at 15.1 against Learn by Teaching's 17.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. FeynmanStudy sells 3 in-app purchases, starting at $10.00 per 7 days and Learn by Teaching sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | FeynmanStudy | Learn by Teaching |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 53 MB | 17 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [AlphaByte, Inc.](https://appshunter.io/developer/1655052816) | [HUSNU CAN INANC](https://appshunter.io/developer/1858352600) |

## What reviewers say

### FeynmanStudy

[App page](https://appshunter.io/ios/app/feynmanstudy/id6753349250)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $10.00 | per 7 days |
| Monthly | $40.00 | per month |
| Yearly | $479.99 | per year |


### Learn by Teaching

[App page](https://appshunter.io/ios/app/learn-by-teaching-explain2win/id6756080043)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Yearly | $19.99 | per year |


## Frequently asked questions

### Is FeynmanStudy free?

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

### Is Learn by Teaching free?

Learn by Teaching is free to download, with in-app purchases available.

### Do FeynmanStudy or Learn by Teaching have ads?

Neither FeynmanStudy nor Learn by Teaching shows ads.

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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.*