# Axxess DSP vs SixTen DSP Bluetooth Control

The clearest difference is rating: Axxess DSP at 3.3 against SixTen DSP Bluetooth Control's 2.4. Axxess DSP also leads on update cadence (every 2 months vs every 9 months) and iOS requirement (10.2 vs 15.0). On price, ratings volume, 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.

Axxess DSP holds the better App Store score, 3.3 against 2.4. Both are backed by a comparable volume of ratings — 8 and 18 respectively.

Axxess DSP ships an update every 2 months, SixTen DSP Bluetooth Control every 9 months. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Axxess DSP | SixTen DSP Bluetooth Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (8 ratings)](https://appshunter.io/ios/app/axxess-dsp/id1253998964/reviews)** | [2.4 (18 ratings)](https://appshunter.io/ios/app/sixten-dsp-bluetooth-control/id6743507284/reviews) |
| Number of ratings | 8 | **18** |
| Positive reviews | — | 11.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | Free | Free |
| Size | 19 MB | 63 MB |
| Requires iOS | **10.2** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Metra Electronics Corp.](https://appshunter.io/developer/1133973919) | [B2 AUDIO](https://appshunter.io/developer/1803253771) |

## What reviewers say

### Axxess DSP

[App page](https://appshunter.io/ios/app/axxess-dsp/id1253998964)

This application allows users to control a digital signal processor for vehicle audio systems. It offers an all-in-one solution for improving sound quality, integrating with various car audio setups, and maintaining factory features. Settings are easily managed via Bluetooth through a smartphone app.

**Highlights:** Digital Signal Processor control, Bluetooth connectivity, Smartphone app interface, Integration with OE systems, Subwoofer addition, Factory amplifier bypass/addition

**Features:** macOS Compatibility

**In-app purchases:** none


### SixTen DSP Bluetooth Control

[App page](https://appshunter.io/ios/app/sixten-dsp-bluetooth-control/id6743507284)

Fine-tune your car audio system with advanced sound customization via Bluetooth. Adjust crossovers, EQ, gain, and more for a perfect listening experience.

**Highlights:** Precision Crossover Adjustments, 31-Band Parametric EQ, Gain Control, Limiters & Delays, Polarity & Phase Control, Independent Left/Right Routing, Real-Time Monitoring, Save & Recall Presets

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Axxess DSP free?

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

### Is SixTen DSP Bluetooth Control free?

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

### Which has better reviews, Axxess DSP or SixTen DSP Bluetooth Control?

Axxess DSP is rated higher. Axxess DSP averages 3.3 out of 5 from 8 ratings, while SixTen DSP Bluetooth Control averages 2.4 from 18 ratings.

### Do Axxess DSP or SixTen DSP Bluetooth Control have ads?

Neither Axxess DSP nor SixTen DSP Bluetooth Control shows ads.

### Which is updated more often, Axxess DSP or SixTen DSP Bluetooth Control?

Axxess DSP ships an update every 2 months, and SixTen DSP Bluetooth Control every 9 months. Most recently, Axxess DSP was updated on October 20, 2026 and SixTen DSP Bluetooth Control on October 21, 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.*