# MizuApp vs Waterday

The clearest difference is update cadence: Waterday at every 3 days against MizuApp's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MizuApp ships an update monthly, Waterday every 3 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | MizuApp | Waterday |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Size | 37 MB | 8 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [maoko](https://appshunter.io/developer/495151243) | [Daisuke Minami](https://appshunter.io/developer/1762826742) |

## What reviewers say

### MizuApp

[App page](https://appshunter.io/ios/app/mizuapp/id6760688070)

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

**In-app purchases:** none


### Waterday

[App page](https://appshunter.io/ios/app/waterday-water-tracker/id6792476155)

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

**In-app purchases:** none


## Frequently asked questions

### Is MizuApp free?

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

### Is Waterday free?

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

### Do MizuApp or Waterday have ads?

Neither MizuApp nor Waterday shows ads.

### Which is updated more often, MizuApp or Waterday?

MizuApp ships an update monthly, and Waterday every 3 days. Most recently, MizuApp was updated on November 9, 2026 and Waterday 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.*