# Water Note vs Calorie Ledger Book

The clearest difference is ads: Calorie Ledger Book at none against Water Note's shown. Water Note's advantage is iOS requirement (13.0 vs 17.0). On price, update cadence, in-app purchases 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 and Calorie Ledger Book sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Water Note ships an update weekly, Calorie Ledger Book every 9 days. The most recent releases landed on October 13, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Water Note | Calorie Ledger Book |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 9 days |
| Size | 42 MB | 3 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TAKERU YAMASHITA](https://appshunter.io/developer/1868149381) | [Atsushi Takahashi](https://appshunter.io/developer/6806662954) |

## 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 |


### Calorie Ledger Book

[App page](https://appshunter.io/ios/app/calorie-ledger-book/id6806662952)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $3.99 | per month |
| Premium (Yearly) | $29.99 | per year |


## Frequently asked questions

### Is Water Note free?

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

### Is Calorie Ledger Book free?

Calorie Ledger Book is free to download, with in-app purchases available.

### Do Water Note or Calorie Ledger Book have ads?

Water Note shows ads; Calorie Ledger Book does not.

### Which is updated more often, Water Note or Calorie Ledger Book?

Water Note ships an update weekly, and Calorie Ledger Book every 9 days. Most recently, Water Note was updated on October 13, 2026 and Calorie Ledger Book on October 20, 2026.

---

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