# Yan AI vs fairyO

The clearest difference is update cadence: Yan AI at every 3 days against fairyO's every 2 weeks. Yan AI also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Yan AI ships an update every 3 days, fairyO every 2 weeks. The most recent releases landed on October 28, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Yan AI | fairyO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Size | 77 MB | 43 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [TUN LIANG](https://appshunter.io/developer/1076509991) | [深圳市千浪时代技术有限公司](https://appshunter.io/developer/1831687108) |

## What reviewers say

### Yan AI

[App page](https://appshunter.io/ios/app/yan-ai/id6742533670)

**Features:** macOS Compatibility

**In-app purchases:** none


### fairyO

[App page](https://appshunter.io/ios/app/fairyo/id6794516114)

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

**In-app purchases:** none


## Frequently asked questions

### Is Yan AI free?

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

### Is fairyO free?

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

### Do Yan AI or fairyO have ads?

Neither Yan AI nor fairyO shows ads.

### Which is updated more often, Yan AI or fairyO?

Yan AI ships an update every 3 days, and fairyO every 2 weeks. Most recently, Yan AI was updated on October 28, 2026 and fairyO on November 6, 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.*