# 电动牙刷Pro vs 烟花生产系统

The clearest difference is iOS requirement: 电动牙刷Pro at 11.0 against 烟花生产系统's 15.0. 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 | 电动牙刷Pro | 烟花生产系统 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 weeks |
| Size | 32 MB | 34 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [易客创新(泉州)智能科技有限公司](https://appshunter.io/developer/1683294855) | [北京中安信合科技有限公司](https://appshunter.io/developer/1512699348) |

## What reviewers say

### 电动牙刷Pro

[App page](https://appshunter.io/ios/app/pro/id1668975145)

**Features:** macOS Compatibility

**In-app purchases:** none


### 烟花生产系统

[App page](https://appshunter.io/ios/app/id6502164126)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 电动牙刷Pro free?

电动牙刷Pro is free to download, with no in-app purchases.

### Is 烟花生产系统 free?

烟花生产系统 is free to download, with no in-app purchases.

### Do 电动牙刷Pro or 烟花生产系统 have ads?

Neither 电动牙刷Pro nor 烟花生产系统 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.*