# ALPINE_OPTIM vs MB QUART DSP

The clearest difference is iOS requirement: MB QUART DSP at 9.0 against ALPINE_OPTIM's 14. 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 | ALPINE_OPTIM | MB QUART DSP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (7 ratings)](https://appshunter.io/ios/app/alpine-optim/id6499121183/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 66 MB | 6 MB |
| Requires iOS | 14 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alpine Electronics Marketing,Inc.](https://appshunter.io/developer/656735931) | [Saga Audio Equipment Co., Ltd.](https://appshunter.io/developer/1182856667) |

## What reviewers say

### ALPINE_OPTIM

[App page](https://appshunter.io/ios/app/alpine-optim/id6499121183)

This app uses your iPhone's microphone to automatically tune your car's audio system for optimal sound. It allows for easy setup of custom sound curves and connects wirelessly via Bluetooth.

**Highlights:** Automatic sound tuning, Acoustic condition measurement, Custom sound curve setup, Bluetooth connectivity, iPhone microphone analysis

**Features:** macOS Compatibility

**In-app purchases:** none


### MB QUART DSP

[App page](https://appshunter.io/ios/app/mb-quart-dsp/id6754631295)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ALPINE_OPTIM free?

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

### Is MB QUART DSP free?

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

### Do ALPINE_OPTIM or MB QUART DSP have ads?

Neither ALPINE_OPTIM nor MB QUART 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.*