# 水素吸入管理アプリ【Hydrogen】 vs Gout tracker

The clearest difference is in-app purchases: 水素吸入管理アプリ【Hydrogen】 at none against Gout tracker's 1. Gout tracker's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Gout tracker sells 1 one-off in-app purchase. 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】 | Gout tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 2 weeks |
| Size | 4 MB | 21 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BILEI Inc.](https://appshunter.io/developer/955644733) | [Yohei Yoshimitsu](https://appshunter.io/developer/1858567019) |

## 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


### Gout tracker

[App page](https://appshunter.io/ios/app/gout-tracker-hydration-log/id6756119584)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | 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 Gout tracker free?

Gout 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.*