# D vs 賽馬會樂眠無憂計劃 JCSleepWell

The clearest difference is update cadence: 賽馬會樂眠無憂計劃 JCSleepWell at every 5 weeks against D's every 27 months. 賽馬會樂眠無憂計劃 JCSleepWell also leads on iOS requirement (12.4 vs 14.0). 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.

D ships an update every 27 months, 賽馬會樂眠無憂計劃 JCSleepWell every 5 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | D | 賽馬會樂眠無憂計劃 JCSleepWell |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 5 weeks** |
| Size | 14 MB | 26 MB |
| Requires iOS | 14.0 | **12.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Yun Kwok Wing](https://appshunter.io/developer/1603030553) | [The Chinese University of Hong Kong](https://appshunter.io/developer/369070876) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-momo/id1617990805)

**Features:** macOS Compatibility

**In-app purchases:** none


### 賽馬會樂眠無憂計劃 JCSleepWell

[App page](https://appshunter.io/ios/app/jcsleepwell/id6468973767)

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

**In-app purchases:** none


## Frequently asked questions

### Is D free?

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

### Is 賽馬會樂眠無憂計劃 JCSleepWell free?

賽馬會樂眠無憂計劃 JCSleepWell is free to download, with no in-app purchases.

### Do D or 賽馬會樂眠無憂計劃 JCSleepWell have ads?

Neither D nor 賽馬會樂眠無憂計劃 JCSleepWell shows ads.

### Which is updated more often, D or 賽馬會樂眠無憂計劃 JCSleepWell?

D ships an update every 27 months, and 賽馬會樂眠無憂計劃 JCSleepWell every 5 weeks. Most recently, D was updated on October 25, 2026 and 賽馬會樂眠無憂計劃 JCSleepWell 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.*