# 人間バッテリー vs Voidspace

The clearest difference is in-app purchases: Voidspace at none against 人間バッテリー's 4. Voidspace also leads on update cadence (every 2 weeks vs every 4 weeks) and iOS requirement (15.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. 人間バッテリー sells 4 one-off in-app purchases. Voidspace asks for nothing beyond the download.

人間バッテリー ships an update every 4 weeks, Voidspace every 2 weeks. The most recent releases landed on October 12, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 人間バッテリー | Voidspace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Size | 15 MB | 7 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kakeru takeda](https://appshunter.io/developer/1814024829) | [Kunihiko Ayuha](https://appshunter.io/developer/6779509130) |

## What reviewers say

### 人間バッテリー

[App page](https://appshunter.io/ios/app/id6745805102)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ちいさなカンパ | $0.99 | one-time |
| うれしいカンパ | $1.99 | one-time |
| しっかりカンパ | $3.99 | one-time |
| 全力カンパ | $6.99 | one-time |


### Voidspace

[App page](https://appshunter.io/ios/app/voidspace-breathwork-app/id6787887612)

**In-app purchases:** none


## Frequently asked questions

### Is 人間バッテリー free?

人間バッテリー is free to download, with in-app purchases available.

### Is Voidspace free?

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

### Do 人間バッテリー or Voidspace have ads?

Neither 人間バッテリー nor Voidspace shows ads.

### Which is updated more often, 人間バッテリー or Voidspace?

人間バッテリー ships an update every 4 weeks, and Voidspace every 2 weeks. Most recently, 人間バッテリー was updated on October 12, 2026 and Voidspace on October 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*