# 選択サバイバル vs Hydrogen Voice H2

The clearest difference is in-app purchases: Hydrogen Voice H2 at none against 選択サバイバル's 1. Hydrogen Voice H2 also leads on review sentiment (100% vs 67%) and update cadence (every 2 days vs every 6 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 選択サバイバル sells 1 one-off in-app purchase. Hydrogen Voice H2 asks for nothing beyond the download.

選択サバイバル ships an update every 6 days, Hydrogen Voice H2 every 2 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | 選択サバイバル | Hydrogen Voice H2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id6468663726/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 67.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 days | **Every 2 days** |
| Monetization | — | Ad-supported |
| Size | 225 MB | 110 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Rikuto Hosaka](https://appshunter.io/developer/1621064356) | [KAEDE Games](https://appshunter.io/developer/1511783814) |

## What reviewers say

### 選択サバイバル

[App page](https://appshunter.io/ios/app/id6468663726)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $1.99 | one-time |

**What reviewers like**

- 👍 Interesting story content
- 👍 High immersion/realism
- 👍 Easy to play/simple controls
- 👍 Good graphics/visual quality
- 👍 Fun/entertaining

**What reviewers complain about**

- 広告 Too many ads
- 👎 Repetitive gameplay
- 👎 Lack of story depth
- 👎 Unpleasant AI voice/images
- 👎 Game feels unfinished/lack of updates

**Reported bugs**

- Frequent bugs returning to story selection screen
- Typos and grammatical errors in text
- Sudden return to story selection screen
- Some stages are missing

**Requested features**

- Add more stories/stages
- Add branching storylines
- Improve AI voice and images
- Fix bugs and typos
- Increase originality of stories


### Hydrogen Voice H2

[App page](https://appshunter.io/ios/app/hydrogen-voice-h2/id6473839795)

This app demonstrates the creation of hydrogen water using a special stick. It shows how the stick releases hydrogen bubbles into water and highlights the quantity of hydrogen water that can be produced.

**Highlights:** Hydrogen water creation demonstration, Visual display of hydrogen bubbles, Information on production volume, Highlights the use of a hydrogen stick, Shows how to use the product

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 選択サバイバル free?

選択サバイバル is free to download, with in-app purchases available.

### Is Hydrogen Voice H2 free?

Hydrogen Voice H2 is free to download, with no in-app purchases.

### Do 選択サバイバル or Hydrogen Voice H2 have ads?

Both 選択サバイバル and Hydrogen Voice H2 show ads.

### Which is updated more often, 選択サバイバル or Hydrogen Voice H2?

選択サバイバル ships an update every 6 days, and Hydrogen Voice H2 every 2 days. Most recently, 選択サバイバル was updated on October 30, 2026 and Hydrogen Voice H2 on October 30, 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.*