# 睡了么 vs SleepDiary

The clearest difference is in-app purchases: 睡了么 at none against SleepDiary's 3. SleepDiary's advantage is update cadence (every 5 days vs every 2 weeks) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. SleepDiary sells 3 in-app purchases, starting at $0.99 per month. 睡了么 asks for nothing beyond the download.

睡了么 ships an update every 2 weeks, SleepDiary every 5 days. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 睡了么 | SleepDiary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 11 MB | 4 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [雨欣 潘](https://appshunter.io/developer/1873213405) | [璐 王](https://appshunter.io/developer/1884213493) |

## What reviewers say

### 睡了么

[App page](https://appshunter.io/ios/app/id6758516278)

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

**In-app purchases:** none


### SleepDiary

[App page](https://appshunter.io/ios/app/sleepdiary/id6760534533)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 睡眠声音日记 Pro | $0.99 | per month |
| 睡眠声音日记 Pro | $4.99 | per year |
| 睡眠日记 Pro | $9.99 | one-time |


## Frequently asked questions

### Is 睡了么 free?

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

### Is SleepDiary free?

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

### Do 睡了么 or SleepDiary have ads?

Neither 睡了么 nor SleepDiary shows ads.

### Which is updated more often, 睡了么 or SleepDiary?

睡了么 ships an update every 2 weeks, and SleepDiary every 5 days. Most recently, 睡了么 was updated on October 7, 2026 and SleepDiary 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.*