# week vs MuudWave

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

Both are free to download. week sells 2 in-app purchases, starting at $1.99 per month. MuudWave asks for nothing beyond the download.

week ships an update every 2 weeks, MuudWave every 2 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | week | MuudWave |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | — | Free |
| Size | 11 MB | 3 MB |
| Requires iOS | **17.4** | 17.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Taito Hirano](https://appshunter.io/developer/1773070085) | [Masao Narumi](https://appshunter.io/developer/1759494772) |

## What reviewers say

### week

[App page](https://appshunter.io/ios/app/week-weekly-diary/id6736693039)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - monthly | $1.99 | per month |
| Premium - yearly | $19.99 | per year |


### 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


## Frequently asked questions

### Is week free?

week is free to download, with in-app purchases available.

### Is MuudWave free?

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

### Do week or MuudWave have ads?

week shows ads; MuudWave does not.

### Which is updated more often, week or MuudWave?

week ships an update every 2 weeks, and MuudWave every 2 days. Most recently, week was updated on October 25, 2026 and MuudWave on October 24, 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.*