# 一体化系统 vs 掌上安培

The clearest difference is iOS requirement: 一体化系统 at 9.0 against 掌上安培's 13.0. 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.

## The numbers

| Metric | 一体化系统 | 掌上安培 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 weeks |
| Size | 69 MB | 61 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [广东共德信息科技有限公司](https://appshunter.io/developer/1280201008) | [北京华夏安科信息技术有限公司](https://appshunter.io/developer/1361866717) |

## What reviewers say

### 一体化系统

[App page](https://appshunter.io/ios/app/id6450945080)

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

**In-app purchases:** none


### 掌上安培

[App page](https://appshunter.io/ios/app/id6454779713)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 一体化系统 free?

一体化系统 is free to download, with no in-app purchases.

### Is 掌上安培 free?

掌上安培 is free to download, with no in-app purchases.

### Do 一体化系统 or 掌上安培 have ads?

Neither 一体化系统 nor 掌上安培 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.*