# ADDSP46 vs PBX DSP8

The clearest difference is update cadence: PBX DSP8 at every 4 months against ADDSP46's every 24 months. PBX DSP8 also leads on ratings volume (4 vs 1). ADDSP46's advantage is rating (5.0 vs 4.8) and iOS requirement (9.0 vs 26.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ADDSP46 holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

ADDSP46 ships an update every 24 months, PBX DSP8 every 4 months. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ADDSP46 | PBX DSP8 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/addsp46/id1493378352/reviews)** | [4.8 (4 ratings)](https://appshunter.io/ios/app/pbx-dsp8/id1638281227/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 91 MB | 39 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Aaron White](https://appshunter.io/developer/1500217539) | [PowerBass USA,INC](https://appshunter.io/developer/1638281229) |

## What reviewers say

### ADDSP46

[App page](https://appshunter.io/ios/app/addsp46/id1493378352)

Manage and control automotive DSP power amplifiers wirelessly via Bluetooth. Adjust sound processing settings for your car's audio system.

**Highlights:** Wireless Bluetooth control, Sound processing management, Automotive DSP amplifier support, Customizable audio settings

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is ADDSP46 free?

ADDSP46 is free to download, with no in-app purchases.

### Is PBX DSP8 free?

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

### Which has better reviews, ADDSP46 or PBX DSP8?

ADDSP46 is rated higher. ADDSP46 averages 5.0 out of 5 from 1 ratings, while PBX DSP8 averages 4.8 from 4 ratings.

### Do ADDSP46 or PBX DSP8 have ads?

Neither ADDSP46 nor PBX DSP8 shows ads.

### Which is updated more often, ADDSP46 or PBX DSP8?

ADDSP46 ships an update every 24 months, and PBX DSP8 every 4 months. Most recently, ADDSP46 was updated on October 13, 2026 and PBX DSP8 on October 7, 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.*