# CosMate vs 伊伊のChat

CosMate and 伊伊のChat 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.

CosMate ships an update every 5 days, 伊伊のChat every 4 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CosMate | 伊伊のChat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Size | 174 MB | 38 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Cosmate Co., Ltd.](https://appshunter.io/developer/948562625) | [Jian Zhen Liao](https://appshunter.io/developer/1891235409) |

## What reviewers say

### CosMate

[App page](https://appshunter.io/ios/app/cosmate/id6746790116)

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

**In-app purchases:** none


### 伊伊のChat

[App page](https://appshunter.io/ios/app/chat/id6761743745)

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

**In-app purchases:** none


## Frequently asked questions

### Is CosMate free?

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

### Is 伊伊のChat free?

伊伊のChat is free to download, with no in-app purchases.

### Do CosMate or 伊伊のChat have ads?

Neither CosMate nor 伊伊のChat shows ads.

### Which is updated more often, CosMate or 伊伊のChat?

CosMate ships an update every 5 days, and 伊伊のChat every 4 days. Most recently, CosMate was updated on October 28, 2026 and 伊伊のChat on October 31, 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.*