# HydroRing vs 水飲みリマインダー：毎日の水分補給と健康管理カレンダー

The clearest difference is in-app purchases: 水飲みリマインダー：毎日の水分補給と健康管理カレンダー at none against HydroRing's 1. HydroRing's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. HydroRing sells 1 one-off in-app purchase. 水飲みリマインダー：毎日の水分補給と健康管理カレンダー asks for nothing beyond the download.

## The numbers

| Metric | HydroRing | 水飲みリマインダー：毎日の水分補給と健康管理カレンダー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | — |
| Size | 2 MB | 36 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [torankirite](https://appshunter.io/developer/1883564850) | [IGARASHI RUI](https://appshunter.io/developer/6800759160) |

## What reviewers say

### HydroRing

[App page](https://appshunter.io/ios/app/hydroring-water-tracker/id6760393366)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HydroRing Premium | $3.99 | one-time |


### 水飲みリマインダー：毎日の水分補給と健康管理カレンダー

[App page](https://appshunter.io/ios/app/id6801651876)

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

**In-app purchases:** none


## Frequently asked questions

### Is HydroRing free?

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

### Is 水飲みリマインダー：毎日の水分補給と健康管理カレンダー free?

水飲みリマインダー：毎日の水分補給と健康管理カレンダー is free to download, with no in-app purchases.

### Do HydroRing or 水飲みリマインダー：毎日の水分補給と健康管理カレンダー have ads?

水飲みリマインダー：毎日の水分補給と健康管理カレンダー shows ads; HydroRing does not.

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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.*