# MEIS系统 vs 317护

The clearest difference is update cadence: 317护 at weekly against MEIS系统's every 3 weeks. 317护 also leads on iOS requirement (13.0 vs 16.0). 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.

MEIS系统 ships an update every 3 weeks, 317护 weekly. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | MEIS系统 | 317护 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 38 MB | 54 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Henan Weizhijie Electronic Technology Co., Ltd.](https://appshunter.io/developer/1070119821) | [Hangzhou Bozhong Information&Technology Co., Ltd.](https://appshunter.io/developer/1096023853) |

## What reviewers say

### MEIS系统

[App page](https://appshunter.io/ios/app/meis/id1510868341)

**Features:** macOS Compatibility

**In-app purchases:** none


### 317护

[App page](https://appshunter.io/ios/app/317/id6760161352)

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

**In-app purchases:** none


## Frequently asked questions

### Is MEIS系统 free?

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

### Is 317护 free?

317护 is free to download, with no in-app purchases.

### Do MEIS系统 or 317护 have ads?

Neither MEIS系统 nor 317护 shows ads.

### Which is updated more often, MEIS系统 or 317护?

MEIS系统 ships an update every 3 weeks, and 317护 weekly. Most recently, MEIS系统 was updated on October 15, 2026 and 317护 on October 14, 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.*