# AUDIO DSP Control vs DSP sound master

The clearest difference is update cadence: AUDIO DSP Control at every 3 months against DSP sound master's every 9 months. DSP sound master's advantage is iOS requirement (13.0 vs 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.

AUDIO DSP Control ships an update every 3 months, DSP sound master every 9 months. The most recent releases landed on September 7, 2026 and April 22, 2026 respectively.

## The numbers

| Metric | AUDIO DSP Control | DSP sound master |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Free | — |
| Size | 12 MB | 24 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [长猛 周](https://appshunter.io/developer/1689008478) | [师贤 陈](https://appshunter.io/developer/1754678152) |

## What reviewers say

### AUDIO DSP Control

[App page](https://appshunter.io/ios/app/audio-dsp-control/id6450451317)

Control your car's audio system directly from your mobile device. View player information, manage music playback, and adjust sound effects with an intuitive interface. Offers convenient one-button switching and real-time positioning.

**Highlights:** Car player button control, View car player function information, Intuitive radio interface, USB/SD player with ID3 info, Bluetooth music playback, One-button car player switch, Sound effect adjustment, Real-time positioning

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

**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 AUDIO DSP Control free?

AUDIO DSP Control 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 AUDIO DSP Control or DSP sound master have ads?

Neither AUDIO DSP Control nor DSP sound master shows ads.

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

AUDIO DSP Control ships an update every 3 months, and DSP sound master every 9 months. Most recently, AUDIO DSP Control was updated on September 7, 2026 and DSP sound master on April 22, 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.*