# ST vs LDX DSP

The clearest difference is iOS requirement: ST at 9.0 against LDX DSP's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | ST | LDX DSP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/ldx-dsp/id6754688403/reviews)** |
| Number of ratings | — | **8** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 months |
| Monetization | — | Free |
| Size | 20 MB | 78 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Guang Dong Sound Power](https://appshunter.io/developer/1760446092) | [STETSOM ELETRÔNICA LTDA](https://appshunter.io/developer/1110480569) |

## What reviewers say

### ST

[App page](https://appshunter.io/ios/app/st-s8bt/id6751436555)

**Features:** macOS Compatibility

**In-app purchases:** none


### LDX DSP

[App page](https://appshunter.io/ios/app/ldx-dsp/id6754688403)

Control your audio system directly from your smartphone. Adjust car audio in real-time and monitor technical information via Bluetooth. Explore features in demo mode if you don't have a compatible processor.

**Highlights:** Intuitive audio system control, Real-time adjustments, Technical information monitoring, Bluetooth communication, Demo mode for exploration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ST free?

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

### Is LDX DSP free?

LDX DSP is free to download, with no in-app purchases.

### Do ST or LDX DSP have ads?

Neither ST nor LDX DSP shows ads.

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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.*