# 智慧慕思 vs 瑞梦思Sleep

The clearest difference is update cadence: 智慧慕思 at every 3 weeks against 瑞梦思Sleep's every 4 months. 瑞梦思Sleep's advantage is iOS requirement (10.0 vs 13.0). 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.

智慧慕思 ships an update every 3 weeks, 瑞梦思Sleep every 4 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 智慧慕思 | 瑞梦思Sleep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Size | 200 MB | 42 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [De Rucci Bedding Co.,Ltd.](https://appshunter.io/developer/1315912678) | [Shenzhen Glamour Technology Co., Ltd.](https://appshunter.io/developer/1555640422) |

## What reviewers say

### 智慧慕思

[App page](https://appshunter.io/ios/app/id1438488055)

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

**In-app purchases:** none


### 瑞梦思Sleep

[App page](https://appshunter.io/ios/app/sleep/id1613455641)

**In-app purchases:** none


## Frequently asked questions

### Is 智慧慕思 free?

智慧慕思 is free to download, with no in-app purchases.

### Is 瑞梦思Sleep free?

瑞梦思Sleep is free to download, with no in-app purchases.

### Do 智慧慕思 or 瑞梦思Sleep have ads?

Neither 智慧慕思 nor 瑞梦思Sleep shows ads.

### Which is updated more often, 智慧慕思 or 瑞梦思Sleep?

智慧慕思 ships an update every 3 weeks, and 瑞梦思Sleep every 4 months. Most recently, 智慧慕思 was updated on October 26, 2026 and 瑞梦思Sleep on October 25, 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.*