# YZM SLEEP vs AI智能枕

The clearest difference is update cadence: AI智能枕 at every 2 weeks against YZM SLEEP's every 5 weeks. YZM SLEEP's advantage is iOS requirement (8.2 vs 10.0). 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.

YZM SLEEP ships an update every 5 weeks, AI智能枕 every 2 weeks. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | YZM SLEEP | AI智能枕 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 40 MB | 89 MB |
| Requires iOS | **8.2** | 10.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Yunzhimian Technology Co., Ltd](https://appshunter.io/developer/1457932494) | [深圳市真元天成科技有限公司](https://appshunter.io/developer/1582779795) |

## What reviewers say

### YZM SLEEP

[App page](https://appshunter.io/ios/app/yzm-sleep/id1457932495)

**In-app purchases:** none


### AI智能枕

[App page](https://appshunter.io/ios/app/ai/id1644015438)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is YZM SLEEP free?

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

### Is AI智能枕 free?

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

### Do YZM SLEEP or AI智能枕 have ads?

Neither YZM SLEEP nor AI智能枕 shows ads.

### Which is updated more often, YZM SLEEP or AI智能枕?

YZM SLEEP ships an update every 5 weeks, and AI智能枕 every 2 weeks. Most recently, YZM SLEEP was updated on October 26, 2026 and AI智能枕 on November 3, 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.*