# InsideWater vs Genkinno

The clearest difference is update cadence: Genkinno at every 3 weeks against InsideWater's every 3 months. Genkinno also leads on device support. InsideWater's advantage is iOS requirement (13.0 vs 15.6). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

InsideWater ships an update every 3 months, Genkinno every 3 weeks. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | InsideWater | Genkinno |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 31 MB | 42 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AQUA SPA](https://appshunter.io/developer/1610112085) | [Shenzhen Lesongge Technology Co., Ltd.](https://appshunter.io/developer/1684870939) |

## What reviewers say

### InsideWater

[App page](https://appshunter.io/ios/app/insidewater/id6446782142)

**In-app purchases:** none


### Genkinno

[App page](https://appshunter.io/ios/app/genkinno/id6448487731)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is InsideWater free?

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

### Is Genkinno free?

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

### Which is updated more often, InsideWater or Genkinno?

InsideWater ships an update every 3 months, and Genkinno every 3 weeks. Most recently, InsideWater was updated on October 25, 2026 and Genkinno on October 27, 2026.

---

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