# 小羊睡眠 Sheepzzz vs How睡眠

The clearest difference is iOS requirement: How睡眠 at 14.0 against 小羊睡眠 Sheepzzz's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 小羊睡眠 Sheepzzz sells 2 in-app purchases, starting at $9.99 per year and How睡眠 sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

小羊睡眠 Sheepzzz ships an update every 9 days, How睡眠 every 2 weeks. Both last shipped on September 17, 2026.

## The numbers

| Metric | 小羊睡眠 Sheepzzz | How睡眠 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | Freemium | — |
| Size | 9 MB | 138 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Guangzhou Black Box Network Technology Co., Ltd.](https://appshunter.io/developer/1526609856) | [重庆鲤想派科技有限公司](https://appshunter.io/developer/1810646324) |

## What reviewers say

### 小羊睡眠 Sheepzzz

[App page](https://appshunter.io/ios/app/sheepzzz/id6746643121)

This app combines sleep tracking with a virtual pet养成 system. It uses your sleep data to nurture a virtual sheep, providing insights and personalized recommendations to improve your sleep habits.

**Highlights:** Virtual pet sleep养成, Smart sleep monitoring, Automatic sleep analysis, Intuitive sleep reports, Personalized improvement plans, Gamified sleep habit building

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 年会员 | $9.99 | per year |
| 买断会员 | $14.99 | one-time |


### How睡眠

[App page](https://appshunter.io/ios/app/how/id6746926603)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $9.99 | one-time |
| 季度会员 | $24.99 | one-time |
| 优惠永久会员 | $29.99 | one-time |
| 年度会员 | $99.99 | one-time |
| 永久会员 | $299.99 | one-time |


## Frequently asked questions

### Is 小羊睡眠 Sheepzzz free?

小羊睡眠 Sheepzzz is free to download, with in-app purchases available.

### Is How睡眠 free?

How睡眠 is free to download, with in-app purchases available.

### Do 小羊睡眠 Sheepzzz or How睡眠 have ads?

Neither 小羊睡眠 Sheepzzz nor How睡眠 shows ads.

### Which is updated more often, 小羊睡眠 Sheepzzz or How睡眠?

小羊睡眠 Sheepzzz ships an update every 9 days, and How睡眠 every 2 weeks. Most recently, 小羊睡眠 Sheepzzz was updated on September 17, 2026 and How睡眠 on September 17, 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.*