# Box Builder vs SixTen DSP Bluetooth Control

Box Builder and SixTen DSP Bluetooth Control are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Box Builder ships an update every 7 months, SixTen DSP Bluetooth Control every 9 months. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Box Builder | SixTen DSP Bluetooth Control |
| --- | --- | --- |
| 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 7 months** | Every 9 months |
| Monetization | — | Free |
| Size | 1 MB | 63 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Neill Mclachlan](https://appshunter.io/developer/1527884833) | [B2 AUDIO](https://appshunter.io/developer/1803253771) |

## What reviewers say

### Box Builder

[App page](https://appshunter.io/ios/app/box-builder/id1640513711)

**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 Box Builder free?

Box Builder 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 Box Builder or SixTen DSP Bluetooth Control have ads?

Neither Box Builder nor SixTen DSP Bluetooth Control shows ads.

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

Box Builder ships an update every 7 months, and SixTen DSP Bluetooth Control every 9 months. Most recently, Box Builder was updated on October 3, 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.*