# 睡护卫 vs 虹迹

The clearest difference is update cadence: 虹迹 at every 4 days against 睡护卫's every 12 months. 虹迹 also leads on iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

睡护卫 ships an update every 12 months, 虹迹 every 4 days. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 睡护卫 | 虹迹 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 4 days** |
| Size | 3 MB | 52 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Henan Hanwei Electronics Co., Ltd.](https://appshunter.io/developer/937313623) | [Sichuan Changhong Network Technologies Co., Ltd.](https://appshunter.io/developer/1510669126) |

## What reviewers say

### 睡护卫

[App page](https://appshunter.io/ios/app/id1512912375)

**Features:** macOS Compatibility

**In-app purchases:** none


### 虹迹

[App page](https://appshunter.io/ios/app/id6472171472)

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

**In-app purchases:** none


## Frequently asked questions

### Is 睡护卫 free?

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

### Is 虹迹 free?

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

### Do 睡护卫 or 虹迹 have ads?

Neither 睡护卫 nor 虹迹 shows ads.

### Which is updated more often, 睡护卫 or 虹迹?

睡护卫 ships an update every 12 months, and 虹迹 every 4 days. Most recently, 睡护卫 was updated on October 12, 2026 and 虹迹 on October 15, 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.*