# Water Note vs 体重日和

The clearest difference is in-app purchases: 体重日和 at none against Water Note's 1. Water Note's advantage is update cadence (weekly vs every 7 months) and iOS requirement (13.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Water Note sells 1 in-app purchase, starting at $1.99 per month. 体重日和 asks for nothing beyond the download.

Water Note ships an update weekly, 体重日和 every 7 months. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Water Note | 体重日和 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 7 months |
| Size | 42 MB | 5 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TAKERU YAMASHITA](https://appshunter.io/developer/1868149381) | [Jun Kishihara](https://appshunter.io/developer/1822756745) |

## What reviewers say

### Water Note

[App page](https://appshunter.io/ios/app/water-note-hydration-tracker/id6757661748)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $1.99 | per month |


### 体重日和

[App page](https://appshunter.io/ios/app/id6760578312)

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

**In-app purchases:** none


## Frequently asked questions

### Is Water Note free?

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

### Is 体重日和 free?

体重日和 is free to download, with no in-app purchases.

### Do Water Note or 体重日和 have ads?

Both Water Note and 体重日和 show ads.

### Which is updated more often, Water Note or 体重日和?

Water Note ships an update weekly, and 体重日和 every 7 months. Most recently, Water Note was updated on November 9, 2026 and 体重日和 on October 31, 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.*