# MuudWave vs トゥドリ

The clearest difference is iOS requirement: トゥドリ at 15.0 against MuudWave's 17.5. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | MuudWave | トゥドリ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | Every 2 days |
| Monetization | Free | — |
| Size | 3 MB | 31 MB |
| Requires iOS | 17.5 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masao Narumi](https://appshunter.io/developer/1759494772) | [SeungHyun Lim](https://appshunter.io/developer/6776193099) |

## What reviewers say

### MuudWave

[App page](https://appshunter.io/ios/app/muudwave/id6740519998)

This app helps you understand your emotional patterns by tracking daily mood changes and visualizing their progression. It records relative mood shifts compared to the previous day, addressing limitations of absolute mood scales.

**Highlights:** Daily mood logging, Relative mood tracking, Emotional progression visualization, Understanding emotional shifts, Free to use

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

**In-app purchases:** none


### トゥドリ

[App page](https://appshunter.io/ios/app/id6776193097)

**In-app purchases:** none


## Frequently asked questions

### Is MuudWave free?

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

### Is トゥドリ free?

トゥドリ is free to download, with no in-app purchases.

### Do MuudWave or トゥドリ have ads?

Neither MuudWave nor トゥドリ shows ads.

### Which is updated more often, MuudWave or トゥドリ?

MuudWave ships an update every 2 days, and トゥドリ every 2 days. Most recently, MuudWave was updated on October 24, 2026 and トゥドリ 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.*