# 水印大师专业版 vs A800 DSP

The clearest difference is iOS requirement: 水印大师专业版 at 10.0 against A800 DSP's 12.0. 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 | 水印大师专业版 | A800 DSP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 12 MB | 8 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [伟 张](https://appshunter.io/developer/1469709571) | [Guangzhou Coolpower Technology Co., Ltd.](https://appshunter.io/developer/1152993269) |

## What reviewers say

### 水印大师专业版

[App page](https://appshunter.io/ios/app/id1503308277)

**Features:** macOS Compatibility

**In-app purchases:** none


### A800 DSP

[App page](https://appshunter.io/ios/app/a800-dsp/id6471109390)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 水印大师专业版 free?

水印大师专业版 is free to download, with no in-app purchases.

### Is A800 DSP free?

A800 DSP is free to download, with no in-app purchases.

### Do 水印大师专业版 or A800 DSP have ads?

Neither 水印大师专业版 nor A800 DSP 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.*