# 冠唐设备管理系统 vs PassOff

The clearest difference is in-app purchases: 冠唐设备管理系统 at none against PassOff's 1. 冠唐设备管理系统 also leads on device support (3 vs 1) and iOS requirement (8.0 vs 18.5). On price and ads there is nothing between them.

Both are free to download. PassOff sells 1 one-off in-app purchase. 冠唐设备管理系统 asks for nothing beyond the download.

## The numbers

| Metric | 冠唐设备管理系统 | PassOff |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Size | 9 MB | 2 MB |
| Requires iOS | **8.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [成都冠唐科技有限公司](https://appshunter.io/developer/1065524532) | [军 沈](https://appshunter.io/developer/1871797808) |

## What reviewers say

### 冠唐设备管理系统

[App page](https://appshunter.io/ios/app/id1130229168)

**In-app purchases:** none


### PassOff

[App page](https://appshunter.io/ios/app/passoff/id6758669689)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Permanent Membership | $0.99 | one-time |


## Frequently asked questions

### Is 冠唐设备管理系统 free?

冠唐设备管理系统 is free to download, with no in-app purchases.

### Is PassOff free?

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

### Do 冠唐设备管理系统 or PassOff have ads?

Neither 冠唐设备管理系统 nor PassOff shows ads.

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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.*