# 睡眠卫士 vs 饮歌

The clearest difference is in-app purchases: 睡眠卫士 at none against 饮歌's 3. 睡眠卫士 also leads on iOS requirement (10.0 vs 17.0). 饮歌's advantage is update cadence (every 2 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. 饮歌 sells 3 in-app purchases, starting at $0.99 per month. 睡眠卫士 asks for nothing beyond the download.

睡眠卫士 ships an update every 2 weeks, 饮歌 every 2 days. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 睡眠卫士 | 饮歌 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 114 MB | 74 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [北京博实联创科技有限公司](https://appshunter.io/developer/899928291) | [Shenzhen Youyang Technology Co., Ltd.](https://appshunter.io/developer/1766515217) |

## What reviewers say

### 睡眠卫士

[App page](https://appshunter.io/ios/app/id1227614872)

**Features:** macOS Compatibility

**In-app purchases:** none


### 饮歌

[App page](https://appshunter.io/ios/app/id6670533523)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $0.99 | per month |
| Premium (Yearly) | $2.99 | per year |
| Lifetime Premium | $4.99 | one-time |


## Frequently asked questions

### Is 睡眠卫士 free?

睡眠卫士 is free to download, with no in-app purchases.

### Is 饮歌 free?

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

### Do 睡眠卫士 or 饮歌 have ads?

Neither 睡眠卫士 nor 饮歌 shows ads.

### Which is updated more often, 睡眠卫士 or 饮歌?

睡眠卫士 ships an update every 2 weeks, and 饮歌 every 2 days. Most recently, 睡眠卫士 was updated on October 26, 2026 and 饮歌 on October 27, 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.*