# 衣带保（4G版） vs SLEEPMI Lite

The clearest difference is update cadence: 衣带保（4G版） at weekly against SLEEPMI Lite's monthly. SLEEPMI Lite's advantage is iOS requirement (12 vs 15.5). 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.

衣带保（4G版） ships an update weekly, SLEEPMI Lite monthly. The most recent releases landed on September 22, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | 衣带保（4G版） | SLEEPMI Lite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Size | 76 MB | 25 MB |
| Requires iOS | 15.5 | **12** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [SUZHOU YIDAIBAO Intelligent technology CO.,LTD](https://appshunter.io/developer/1458973079) | [Shenzhen Zhimi Technology Co., Ltd.](https://appshunter.io/developer/1826280109) |

## What reviewers say

### 衣带保（4G版）

[App page](https://appshunter.io/ios/app/4g/id6749834787)

**In-app purchases:** none


### SLEEPMI Lite

[App page](https://appshunter.io/ios/app/sleepmi-lite/id6754160416)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 衣带保（4G版） free?

衣带保（4G版） is free to download, with no in-app purchases.

### Is SLEEPMI Lite free?

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

### Do 衣带保（4G版） or SLEEPMI Lite have ads?

Neither 衣带保（4G版） nor SLEEPMI Lite shows ads.

### Which is updated more often, 衣带保（4G版） or SLEEPMI Lite?

衣带保（4G版） ships an update weekly, and SLEEPMI Lite monthly. Most recently, 衣带保（4G版） was updated on September 22, 2026 and SLEEPMI Lite on September 6, 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.*