# 午睡Pro vs Sleep Tracker

The clearest difference is in-app purchases: 午睡Pro at none against Sleep Tracker's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sleep Tracker sells 2 in-app purchases, starting at $0.99 per month. 午睡Pro asks for nothing beyond the download.

## The numbers

| Metric | 午睡Pro | Sleep Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Size | 12 MB | 2 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou HeiChe Technology Co., Ltd](https://appshunter.io/developer/1421830285) | [Xiamen Fengyun Network Technology Co., Ltd.](https://appshunter.io/developer/1443469599) |

## What reviewers say

### 午睡Pro

[App page](https://appshunter.io/ios/app/pro/id6747174826)

**Features:** Apple Watch app

**In-app purchases:** none


### Sleep Tracker

[App page](https://appshunter.io/ios/app/sleep-tracker-rituals-sounds/id6797442775)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |
| Yearly Premium | $9.99 | per year |


## Frequently asked questions

### Is 午睡Pro free?

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

### Is Sleep Tracker free?

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

### Do 午睡Pro or Sleep Tracker have ads?

Neither 午睡Pro nor Sleep Tracker shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*