# DSP 6 vs DSP sound master

The clearest difference is iOS requirement: DSP 6 at 9.0 against DSP sound master's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DSP 6 ships an update every 14 months, DSP sound master every 9 months. The most recent releases landed on October 11, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | DSP 6 | DSP sound master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 9 months** |
| Size | 6 MB | 24 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Coolpower Technology Co., Ltd.](https://appshunter.io/developer/1152993269) | [师贤 陈](https://appshunter.io/developer/1754678152) |

## What reviewers say

### DSP 6

[App page](https://appshunter.io/ios/app/dsp-6/id1536553214)

**Features:** macOS Compatibility

**In-app purchases:** none


### DSP sound master

[App page](https://appshunter.io/ios/app/dsp-sound-master/id6511249208)

**In-app purchases:** none


## Frequently asked questions

### Is DSP 6 free?

DSP 6 is free to download, with no in-app purchases.

### Is DSP sound master free?

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

### Do DSP 6 or DSP sound master have ads?

Neither DSP 6 nor DSP sound master shows ads.

### Which is updated more often, DSP 6 or DSP sound master?

DSP 6 ships an update every 14 months, and DSP sound master every 9 months. Most recently, DSP 6 was updated on October 11, 2026 and DSP sound master on October 27, 2026.

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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.*