# Mui vs Kawaii Diary

The clearest difference is update cadence: Mui at every 2 days against Kawaii Diary's every 2 months. Mui also leads on device support (3 vs 1) and iOS requirement (9.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

Mui ships an update every 2 days, Kawaii Diary every 2 months. The most recent releases landed on October 25, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Mui | Kawaii Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 2 months |
| Size | 61 MB | 6 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Haga Kunihiko](https://appshunter.io/developer/1553088822) | [Jun Tsuda](https://appshunter.io/developer/1624900893) |

## What reviewers say

### Mui

[App page](https://appshunter.io/ios/app/mui/id1585646872)

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

**In-app purchases:** none


### Kawaii Diary

[App page](https://appshunter.io/ios/app/kawaii-diary-mood-journal/id6806806269)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mui free?

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

### Is Kawaii Diary free?

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

### Do Mui or Kawaii Diary have ads?

Both Mui and Kawaii Diary show ads.

### Which is updated more often, Mui or Kawaii Diary?

Mui ships an update every 2 days, and Kawaii Diary every 2 months. Most recently, Mui was updated on October 25, 2026 and Kawaii Diary on October 23, 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.*