# UUChat(KK) vs U

The clearest difference is in-app purchases: UUChat(KK) at none against U's 3. UUChat(KK) also leads on ads (none vs shown) and iOS requirement (10.0 vs 13.0). On price, update cadence and device support there is nothing between them.

Both are free to download. U sells 3 in-app purchases, starting at $1.99 per month. UUChat(KK) asks for nothing beyond the download.

UUChat(KK) ships an update every 8 days, U weekly. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | UUChat(KK) | U |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 days | **Weekly** |
| Size | 126 MB | 94 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [PLAY BY PLAY STUDIO COMPANY LIMITED](https://appshunter.io/developer/1551070991) | [HAIK](https://appshunter.io/developer/1780180781) |

## What reviewers say

### UUChat(KK)

[App page](https://appshunter.io/ios/app/uuchatkk/id1551070989)

**Features:** macOS Compatibility

**In-app purchases:** none


### U

[App page](https://appshunter.io/ios/app/uuchat/id6739705943)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 感情アイコン追加 スタンダードプラン - 1か月 | $1.99 | per month |
| 感情アイコン追加 プレミアムプラン - 1か月 | $3.99 | per month |
| Generate an avatar | $0.99 | one-time |


## Frequently asked questions

### Is UUChat(KK) free?

UUChat(KK) is free to download, with no in-app purchases.

### Is U free?

U is free to download, with in-app purchases available.

### Do UUChat(KK) or U have ads?

U shows ads; UUChat(KK) does not.

### Which is updated more often, UUChat(KK) or U?

UUChat(KK) ships an update every 8 days, and U weekly. Most recently, UUChat(KK) was updated on November 7, 2026 and U on November 8, 2026.

---

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