# Yikou vs Math Easy Note ป.4

The clearest difference is in-app purchases: Yikou at none against Math Easy Note ป.4's 1. Yikou also leads on ads (none vs shown) and iOS requirement (15.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Math Easy Note ป.4 sells 1 one-off in-app purchase. Yikou asks for nothing beyond the download.

## The numbers

| Metric | Yikou | Math Easy Note ป.4 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | — |
| Size | 0 MB | 18 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yeonni Lee](https://appshunter.io/developer/1710530643) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### Yikou

[App page](https://appshunter.io/ios/app/yikou-learn-chinese/id6777601862)

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

**In-app purchases:** none


### Math Easy Note ป.4

[App page](https://appshunter.io/ios/app/math-easy-note-46/id6804166379)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $2.99 | one-time |


## Frequently asked questions

### Is Yikou free?

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

### Is Math Easy Note ป.4 free?

Math Easy Note ป.4 is free to download, with in-app purchases available.

### Do Yikou or Math Easy Note ป.4 have ads?

Math Easy Note ป.4 shows ads; Yikou does not.

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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.*