# PBX DSP8 vs Sound Control DSP

The clearest difference is device support: Sound Control DSP at 3 against PBX DSP8's 1. Sound Control DSP also leads on iOS requirement (11.0 vs 26.0). 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.

PBX DSP8 ships an update every 4 months, Sound Control DSP every 2 months. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PBX DSP8 | Sound Control DSP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/pbx-dsp8/id1638281227/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 39 MB | 5 MB |
| Requires iOS | 26.0 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [PowerBass USA,INC](https://appshunter.io/developer/1638281229) | [SEIKAKU](https://appshunter.io/developer/860317297) |

## What reviewers say

### PBX DSP8

[App page](https://appshunter.io/ios/app/pbx-dsp8/id1638281227)

This application provides full control over an 8-channel audio processor for fine-tuning car sound systems. It features a 32-band equalizer, crossover network, and time alignment for a customized listening experience. Hardware is required and sold separately.

**Highlights:** Control up to 8 input and 8 output channels, 32-Band Equalizer, Crossover Network, Time Alignment, Customizable in-car audio experience, Fully integrated app control

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

**In-app purchases:** none


### Sound Control DSP

[App page](https://appshunter.io/ios/app/sound-control-dsp/id6459363803)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PBX DSP8 free?

PBX DSP8 is free to download, with no in-app purchases.

### Is Sound Control DSP free?

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

### Do PBX DSP8 or Sound Control DSP have ads?

Neither PBX DSP8 nor Sound Control DSP shows ads.

### Which is updated more often, PBX DSP8 or Sound Control DSP?

PBX DSP8 ships an update every 4 months, and Sound Control DSP every 2 months. Most recently, PBX DSP8 was updated on November 3, 2026 and Sound Control DSP on October 24, 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.*