# A540DSP vs Speedtest Minimal

The clearest difference is in-app purchases: A540DSP at none against Speedtest Minimal's 1. A540DSP also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Speedtest Minimal sells 1 in-app purchase, starting at $1.69 per year. A540DSP asks for nothing beyond the download.

## The numbers

| Metric | A540DSP | Speedtest Minimal |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 47 months | — |
| Monetization | Free | — |
| Size | 26 MB | 11 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杏生 卢](https://appshunter.io/developer/1094592555) | [Nazif Bayram](https://appshunter.io/developer/1738750277) |

## What reviewers say

### A540DSP

[App page](https://appshunter.io/ios/app/a540dsp/id1423992250)

Control your car amplifier's audio settings, including EQ, bass, and time alignment, directly from your phone. Save and load custom sound profiles for a personalized listening experience.

**Highlights:** EQ control, Bass adjustment, Time alignment, Phase and mute settings, Filter control, Save sound settings to phone, Save sound settings to amplifier, Load sound settings from phone

**Features:** macOS Compatibility

**In-app purchases:** none


### Speedtest Minimal

[App page](https://appshunter.io/ios/app/speedtest-minimal/id6738048710)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $1.69 | per year |


## Frequently asked questions

### Is A540DSP free?

A540DSP is free to download, with no in-app purchases.

### Is Speedtest Minimal free?

Speedtest Minimal is free to download, with in-app purchases available.

### Do A540DSP or Speedtest Minimal have ads?

Speedtest Minimal shows ads; A540DSP does not.

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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.*