# A6PRO vs RS DSP

The clearest difference is iOS requirement: A6PRO at 9.0 against RS DSP's 15.6. 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 | A6PRO | RS DSP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 15 MB | 5 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Coolpower Technology Co., Ltd.](https://appshunter.io/developer/1152993269) | [REISS](https://appshunter.io/developer/1822480774) |

## What reviewers say

### A6PRO

[App page](https://appshunter.io/ios/app/a6pro/id6443765105)

**Features:** macOS Compatibility

**In-app purchases:** none


### RS DSP

[App page](https://appshunter.io/ios/app/rs-dsp/id6807227777)

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

**In-app purchases:** none


## Frequently asked questions

### Is A6PRO free?

A6PRO is free to download, with no in-app purchases.

### Is RS DSP free?

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

### Do A6PRO or RS DSP have ads?

Neither A6PRO nor RS 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.*