# CA AMP vs SixTen DSP Bluetooth Control

The clearest difference is rating: CA AMP at 4.0 against SixTen DSP Bluetooth Control's 2.4. CA AMP also leads on review sentiment (33% vs 11%) and update cadence (every 2 months vs every 9 months). 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.

CA AMP holds the better App Store score, 4.0 against 2.4. Both are backed by a comparable volume of ratings — 6 and 16 respectively. Written reviews point the same way: 33% of CA AMP's written reviews are positive against 11% of SixTen DSP Bluetooth Control's.

CA AMP ships an update every 2 months, SixTen DSP Bluetooth Control every 9 months. The most recent releases landed on October 17, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | CA AMP | SixTen DSP Bluetooth Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (6 ratings)](https://appshunter.io/ios/app/ca-amp/id1554205982/reviews)** | [2.4 (16 ratings)](https://appshunter.io/ios/app/sixten-dsp-bluetooth-control/id6743507284/reviews) |
| Number of ratings | 6 | **16** |
| Positive reviews | **33.3% 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 | 20 MB | 63 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [文栋 顾](https://appshunter.io/developer/1460789214) | [B2 AUDIO](https://appshunter.io/developer/1803253771) |

## What reviewers say

### CA AMP

[App page](https://appshunter.io/ios/app/ca-amp/id1554205982)

This application provides comprehensive control and adjustments for amplifiers, including EQ, crossover settings, and digital time alignment. Manage all audio signal processing functions directly from your smartphone or tablet.

**Highlights:** Interactive audio signal processor, EQ adjustments, Controllable crossover (6/12/24/48 dB), Digital time alignment, Grouping functionality, Preset and custom settings memory

**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 CA AMP free?

CA AMP 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, CA AMP or SixTen DSP Bluetooth Control?

CA AMP is rated higher. CA AMP averages 4.0 out of 5 from 6 ratings, while SixTen DSP Bluetooth Control averages 2.4 from 16 ratings.

### Do CA AMP or SixTen DSP Bluetooth Control have ads?

Neither CA AMP nor SixTen DSP Bluetooth Control shows ads.

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

CA AMP ships an update every 2 months, and SixTen DSP Bluetooth Control every 9 months. Most recently, CA AMP was updated on October 17, 2026 and SixTen DSP Bluetooth Control on October 4, 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.*