# Rainbow Plug&Play DSP vs SixTen DSP Bluetooth Control

The clearest difference is review sentiment: Rainbow Plug&Play DSP at 100% against SixTen DSP Bluetooth Control's 11%. Rainbow Plug&Play DSP also leads on update cadence (every 2 months vs every 9 months) and iOS requirement (12.0 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.

Rainbow Plug&Play DSP ships an update every 2 months, SixTen DSP Bluetooth Control every 9 months. The most recent releases landed on October 5, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Rainbow Plug&Play DSP | SixTen DSP Bluetooth Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.4 (18 ratings)](https://appshunter.io/ios/app/sixten-dsp-bluetooth-control/id6743507284/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | **100.0% of 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 | 26 MB | 63 MB |
| Requires iOS | **12.0** | 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

### Rainbow Plug&Play DSP

[App page](https://appshunter.io/ios/app/rainbow-plug-and-play-dsp/id6449861179)

This utility app allows users to operate and configure a specific audio device using Bluetooth Low Energy. It provides a direct connection for managing settings and functionality.

**Highlights:** Bluetooth LE operation, Audio device configuration, Direct connection, Settings management

**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 Rainbow Plug&Play DSP free?

Rainbow Plug&Play 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.

### Do Rainbow Plug&Play DSP or SixTen DSP Bluetooth Control have ads?

Neither Rainbow Plug&Play DSP nor SixTen DSP Bluetooth Control shows ads.

### Which is updated more often, Rainbow Plug&Play DSP or SixTen DSP Bluetooth Control?

Rainbow Plug&Play DSP ships an update every 2 months, and SixTen DSP Bluetooth Control every 9 months. Most recently, Rainbow Plug&Play DSP was updated on October 5, 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.*