# DSI vs SixTen DSP Bluetooth Control

The clearest difference is rating: DSI at 3.0 against SixTen DSP Bluetooth Control's 2.4. DSI also leads on update cadence (every 2 months vs every 9 months) and iOS requirement (9.0 vs 15.0). SixTen DSP Bluetooth Control's advantage is ratings volume (16 vs 2). 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.

DSI holds the better App Store score, 3.0 against 2.4. That said, the two scores are not equally well evidenced: SixTen DSP Bluetooth Control has 16 ratings behind it against 2, so its average is the more settled of the two.

DSI ships an update every 2 months, SixTen DSP Bluetooth Control every 9 months. The most recent releases landed on September 9, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | DSI | SixTen DSP Bluetooth Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/dsi-3/id1544985377/reviews)** | [2.4 (16 ratings)](https://appshunter.io/ios/app/sixten-dsp-bluetooth-control/id6743507284/reviews) |
| Number of ratings | 2 | **16** |
| 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 | 12 MB | 63 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DD Audio](https://appshunter.io/developer/599474306) | [B2 AUDIO](https://appshunter.io/developer/1803253771) |

## What reviewers say

### DSI

[App page](https://appshunter.io/ios/app/dsi-3/id1544985377)

This application allows users to fine-tune their car audio systems using a digital signal processor. It offers comprehensive controls for equalization, crossovers, time alignment, and more, suitable for both professionals and enthusiasts.

**Highlights:** Bluetooth 5.0 connectivity, 6 customizable presets, 31-band parametric EQ per channel, Phase correction, Crossover adjustments, Input/output level controls, Time alignment

**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 DSI free?

DSI 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, DSI or SixTen DSP Bluetooth Control?

DSI is rated higher. DSI averages 3.0 out of 5 from 2 ratings, while SixTen DSP Bluetooth Control averages 2.4 from 16 ratings.

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

Neither DSI nor SixTen DSP Bluetooth Control shows ads.

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

DSI ships an update every 2 months, and SixTen DSP Bluetooth Control every 9 months. Most recently, DSI was updated on September 9, 2026 and SixTen DSP Bluetooth Control on September 3, 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.*