# DSP 1.8 RC vs SixTen DSP Bluetooth Control

The clearest difference is rating: SixTen DSP Bluetooth Control at 2.4 against DSP 1.8 RC's 1.0. SixTen DSP Bluetooth Control also leads on update cadence (every 9 months vs every 39 months) and ratings volume (16 vs 1). DSP 1.8 RC's advantage is iOS requirement (10.0 vs 15.0). 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.

SixTen DSP Bluetooth Control holds the better App Store score, 2.4 against 1.0. That said, the two scores are not equally well evidenced: SixTen DSP Bluetooth Control has 16 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of DSP 1.8 RC's written reviews are positive against 11% of SixTen DSP Bluetooth Control's.

DSP 1.8 RC ships an update every 39 months, SixTen DSP Bluetooth Control every 9 months. The most recent releases landed on September 18, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | DSP 1.8 RC | SixTen DSP Bluetooth Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/dsp-18-rc/id1284821199/reviews) | **[2.4 (16 ratings)](https://appshunter.io/ios/app/sixten-dsp-bluetooth-control/id6743507284/reviews)** |
| Number of ratings | 1 | **16** |
| Positive reviews | 0.0% of reviews | **11.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 9 months** |
| Monetization | Free | Free |
| Size | 27 MB | 63 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rainbow Audio GmbH](https://appshunter.io/developer/1284821198) | [B2 AUDIO](https://appshunter.io/developer/1803253771) |

## What reviewers say

### DSP 1.8 RC

[App page](https://appshunter.io/ios/app/dsp-18-rc/id1284821199)

Control your audio system remotely via WiFi. Stream audio directly to your device. Requires a specific WiFi module accessory.

**Highlights:** Remote control via WiFi, Audio streaming over WiFi, Basic function control, Requires WiFi module accessory

**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 DSP 1.8 RC free?

DSP 1.8 RC 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, DSP 1.8 RC or SixTen DSP Bluetooth Control?

SixTen DSP Bluetooth Control is rated higher. DSP 1.8 RC averages 1.0 out of 5 from 1 ratings, while SixTen DSP Bluetooth Control averages 2.4 from 16 ratings.

### Do DSP 1.8 RC or SixTen DSP Bluetooth Control have ads?

Neither DSP 1.8 RC nor SixTen DSP Bluetooth Control shows ads.

### Which is updated more often, DSP 1.8 RC or SixTen DSP Bluetooth Control?

DSP 1.8 RC ships an update every 39 months, and SixTen DSP Bluetooth Control every 9 months. Most recently, DSP 1.8 RC was updated on September 18, 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.*