# Aqua Mate vs KAISAI X

Aqua Mate and KAISAI X are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Aqua Mate ships an update every 10 months, KAISAI X every 6 months. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Aqua Mate | KAISAI X |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 months** |
| Size | 42 MB | 90 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Canature Health Technology Group Co.,Ltd](https://appshunter.io/developer/1474582987) | [TECH Sterowniki](https://appshunter.io/developer/1155426726) |

## What reviewers say

### Aqua Mate

[App page](https://appshunter.io/ios/app/aqua-mate/id6499255698)

**Features:** macOS Compatibility

**In-app purchases:** none


### KAISAI X

[App page](https://appshunter.io/ios/app/kaisai-x/id6503295010)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aqua Mate free?

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

### Is KAISAI X free?

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

### Do Aqua Mate or KAISAI X have ads?

Neither Aqua Mate nor KAISAI X shows ads.

### Which is updated more often, Aqua Mate or KAISAI X?

Aqua Mate ships an update every 10 months, and KAISAI X every 6 months. Most recently, Aqua Mate was updated on October 25, 2026 and KAISAI X 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.*