# SixTen DSP Bluetooth Control vs DS18 iDSP

The clearest difference is iOS requirement: DS18 iDSP at 12.2 against SixTen DSP Bluetooth Control's 15.0. On price, update cadence, 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.

SixTen DSP Bluetooth Control ships an update every 9 months, DS18 iDSP every 6 months. The most recent releases landed on September 3, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | SixTen DSP Bluetooth Control | DS18 iDSP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (16 ratings)](https://appshunter.io/ios/app/sixten-dsp-bluetooth-control/id6743507284/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 63 MB | 59 MB |
| Requires iOS | 15.0 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [B2 AUDIO](https://appshunter.io/developer/1803253771) | [SPIRIT LLC](https://appshunter.io/developer/1327651109) |

## What reviewers say

### 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


### DS18 iDSP

[App page](https://appshunter.io/ios/app/ds18-idsp/id6755451912)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SixTen DSP Bluetooth Control free?

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

### Is DS18 iDSP free?

DS18 iDSP is free to download, with no in-app purchases.

### Do SixTen DSP Bluetooth Control or DS18 iDSP have ads?

Neither SixTen DSP Bluetooth Control nor DS18 iDSP shows ads.

### Which is updated more often, SixTen DSP Bluetooth Control or DS18 iDSP?

SixTen DSP Bluetooth Control ships an update every 9 months, and DS18 iDSP every 6 months. Most recently, SixTen DSP Bluetooth Control was updated on September 3, 2026 and DS18 iDSP on September 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*