# 水分補給リマインダー＆記録 vs Water Note

The clearest difference is ads: 水分補給リマインダー＆記録 at none against Water Note's shown. Water Note's advantage is update cadence (weekly vs every 5 weeks) and iOS requirement (13.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 水分補給リマインダー＆記録 sells 2 in-app purchases, starting at $1.99 per month and Water Note sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

水分補給リマインダー＆記録 ships an update every 5 weeks, Water Note weekly. The most recent releases landed on September 8, 2026 and May 15, 2026 respectively.

## The numbers

| Metric | 水分補給リマインダー＆記録 | Water Note |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Weekly** |
| Size | 2 MB | 42 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [shuhei nomura](https://appshunter.io/developer/1832987960) | [TAKERU YAMASHITA](https://appshunter.io/developer/1868149381) |

## What reviewers say

### 水分補給リマインダー＆記録

[App page](https://appshunter.io/ios/app/mizu/id6755570434)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン（月額） | $1.99 | per month |
| プレミアムプラン（年額） | $14.99 | per year |


### 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 |


## Frequently asked questions

### Is 水分補給リマインダー＆記録 free?

水分補給リマインダー＆記録 is free to download, with in-app purchases available.

### Is Water Note free?

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

### Do 水分補給リマインダー＆記録 or Water Note have ads?

Water Note shows ads; 水分補給リマインダー＆記録 does not.

### Which is updated more often, 水分補給リマインダー＆記録 or Water Note?

水分補給リマインダー＆記録 ships an update every 5 weeks, and Water Note weekly. Most recently, 水分補給リマインダー＆記録 was updated on September 8, 2026 and Water Note on May 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*