# 水素吸入管理アプリ【Hydrogen】 vs Simple Hydration Tracker

The clearest difference is in-app purchases: 水素吸入管理アプリ【Hydrogen】 at none against Simple Hydration Tracker's 2. Simple Hydration Tracker's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Simple Hydration Tracker sells 2 in-app purchases, starting at $1.49 per month. 水素吸入管理アプリ【Hydrogen】 asks for nothing beyond the download.

## The numbers

| Metric | 水素吸入管理アプリ【Hydrogen】 | Simple Hydration Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simple-hydration-tracker/id6447656377/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 4 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 51 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [BILEI Inc.](https://appshunter.io/developer/955644733) | [NAOYA ONO](https://appshunter.io/developer/1530328146) |

## What reviewers say

### 水素吸入管理アプリ【Hydrogen】

[App page](https://appshunter.io/ios/app/hydrogen/id1483886495)

**In-app purchases:** none


### Simple Hydration Tracker

[App page](https://appshunter.io/ios/app/simple-hydration-tracker/id6447656377)

Easily log your daily water intake by selecting beverages, amounts, and times. Review your hydration habits with weekly and monthly charts. Add past entries and customize drink options for a stress-free experience.

**Highlights:** Easy drink logging, Add past entries, Weekly/monthly analysis charts, Customizable drink list, No login required

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $1.49 | per month |
| Support Developer | $0.99 | one-time |


## Frequently asked questions

### Is 水素吸入管理アプリ【Hydrogen】 free?

水素吸入管理アプリ【Hydrogen】 is free to download, with no in-app purchases.

### Is Simple Hydration Tracker free?

Simple Hydration Tracker is free to download, with in-app purchases available.

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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.*