# Study100on100 vs Learn by Teaching

The clearest difference is in-app purchases: Study100on100 at none against Learn by Teaching's 2. Study100on100 also leads on update cadence (every 6 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Learn by Teaching sells 2 in-app purchases, starting at $4.99 per month. Study100on100 asks for nothing beyond the download.

Study100on100 ships an update every 6 days, Learn by Teaching every 2 weeks. Both last shipped on October 1, 2026.

## The numbers

| Metric | Study100on100 | Learn by Teaching |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Size | 56 MB | 17 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [ISolvX](https://appshunter.io/developer/1836852840) | [HUSNU CAN INANC](https://appshunter.io/developer/1858352600) |

## What reviewers say

### Study100on100

[App page](https://appshunter.io/ios/app/study100on100/id6751793640)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 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 Study100on100 free?

Study100on100 is free to download, with no in-app purchases.

### Is Learn by Teaching free?

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

### Do Study100on100 or Learn by Teaching have ads?

Neither Study100on100 nor Learn by Teaching shows ads.

### Which is updated more often, Study100on100 or Learn by Teaching?

Study100on100 ships an update every 6 days, and Learn by Teaching every 2 weeks. Most recently, Study100on100 was updated on October 1, 2026 and Learn by Teaching on October 1, 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.*