# 香江 vs MusterSleep

香江 and MusterSleep are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

香江 ships an update monthly, MusterSleep every 4 weeks. The most recent releases landed on September 10, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | 香江 | MusterSleep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Size | 19 MB | 40 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Heungkong Holding Co., Ltd](https://appshunter.io/developer/1139092723) | [Keeson Technology Corporation Limited](https://appshunter.io/developer/1561275126) |

## What reviewers say

### 香江

[App page](https://appshunter.io/ios/app/id1472698243)

**Features:** Vision Pro support

**In-app purchases:** none


### MusterSleep

[App page](https://appshunter.io/ios/app/mustersleep/id6743064673)

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

**In-app purchases:** none


## Frequently asked questions

### Is 香江 free?

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

### Is MusterSleep free?

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

### Do 香江 or MusterSleep have ads?

Neither 香江 nor MusterSleep shows ads.

### Which is updated more often, 香江 or MusterSleep?

香江 ships an update monthly, and MusterSleep every 4 weeks. Most recently, 香江 was updated on September 10, 2026 and MusterSleep on August 12, 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.*