# U vs 鳥言 chogen

The clearest difference is update cadence: 鳥言 chogen at daily against U's weekly. On price, ads, in-app purchases 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 and 鳥言 chogen sells 5 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

U ships an update weekly, 鳥言 chogen daily. The most recent releases landed on September 9, 2026 and February 23, 2026 respectively.

## The numbers

| Metric | U | 鳥言 chogen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Daily** |
| Size | 94 MB | 70 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [HAIK](https://appshunter.io/developer/1780180781) | [tomohiro miura](https://appshunter.io/developer/1820813574) |

## What reviewers say

### 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 |


### 鳥言 chogen

[App page](https://appshunter.io/ios/app/chogen/id6748088985)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chogen Monthly Premium | $2.99 | per month |
| Chogen Annual Premium | $29.99 | per year |
| Edo Coin (Small) | $0.49 | one-time |
| Edo Coin (Medium) | $2.99 | one-time |
| Edo Coin (Large) | $9.99 | one-time |


## Frequently asked questions

### Is U free?

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

### Is 鳥言 chogen free?

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

### Do U or 鳥言 chogen have ads?

Both U and 鳥言 chogen show ads.

### Which is updated more often, U or 鳥言 chogen?

U ships an update weekly, and 鳥言 chogen daily. Most recently, U was updated on September 9, 2026 and 鳥言 chogen on February 23, 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.*