# U vs AiyuChat

The clearest difference is iOS requirement: U at 13.0 against AiyuChat's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. U sells 3 in-app purchases, starting at $1.99 per month and AiyuChat sells 10 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

U ships an update weekly, AiyuChat every 6 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | U | AiyuChat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/aiyuchat/id6761759664/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 94 MB | 125 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [HAIK](https://appshunter.io/developer/1780180781) | [晓冬 黄](https://appshunter.io/developer/1891291794) |

## 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 |


### AiyuChat

[App page](https://appshunter.io/ios/app/aiyuchat/id6761759664)

Engage in immersive conversations with lifelike 3D virtual characters. This AI assistant app offers real-time voice chat, advanced lip-sync, and contextual memory for natural interactions. Choose from multiple character models and enjoy features like dark theme and chat history.

**Highlights:** Lifelike 3D virtual characters, Real-time voice conversations, Intelligent AI assistant, Contextual memory, Multiple 3D model options, Chat history, Dark theme

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Go monthly | $4.99 | per month |
| Plus Monthly | $9.99 | per month |
| Pro Monthly | $19.99 | per month |
| Go Yearly | $49.99 | per year |
| Max Monthly | $59.99 | per month |
| Plus Yearly | $99.99 | per year |
| Pro Yearly | $199.99 | per year |
| Max Yearly | $599.99 | per year |
| Mini Boost Pack | $0.99 | one-time |
| Value Boost Pack | $4.99 | one-time |


## Frequently asked questions

### Is U free?

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

### Is AiyuChat free?

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

### Do U or AiyuChat have ads?

Both U and AiyuChat show ads.

### Which is updated more often, U or AiyuChat?

U ships an update weekly, and AiyuChat every 6 days. Most recently, U was updated on October 30, 2026 and AiyuChat on November 5, 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.*