# Math Note vs 사자툰

The clearest difference is ads: Math Note at none against 사자툰's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Math Note ships an update every 4 days, 사자툰 every 3 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Math Note | 사자툰 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | **Every 3 days** |
| Size | 5 MB | 5 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Geekiest](https://appshunter.io/developer/1878354325) | [Mijin Kim](https://appshunter.io/developer/1717382242) |

## What reviewers say

### Math Note

[App page](https://appshunter.io/ios/app/math-note/id6759380307)

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

**In-app purchases:** none


### 사자툰

[App page](https://appshunter.io/ios/app/id6779152282)

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Note free?

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

### Is 사자툰 free?

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

### Do Math Note or 사자툰 have ads?

사자툰 shows ads; Math Note does not.

### Which is updated more often, Math Note or 사자툰?

Math Note ships an update every 4 days, and 사자툰 every 3 days. Most recently, Math Note was updated on October 31, 2026 and 사자툰 on October 28, 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.*