# Airplus vs DSI

The clearest difference is rating: Airplus at 3.0 against DSI's 1.0. DSI's advantage is iOS requirement (13 vs 15.0). 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.

Airplus holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | Airplus | DSI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/airplus-p12/id6737599281/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/dsi-x2/id6751246225/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Free | Free |
| Size | 65 MB | 40 MB |
| Requires iOS | 15.0 | **13** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Guang Dong Sound Power](https://appshunter.io/developer/1760446092) | [DD Audio](https://appshunter.io/developer/599474306) |

## What reviewers say

### Airplus

[App page](https://appshunter.io/ios/app/airplus-p12/id6737599281)

This utility app allows for the debugging and adjustment of car audio device parameters. It connects via Bluetooth to modify settings and optimize sound output.

**Highlights:** App debugging for car audio, Bluetooth connectivity, Parameter adjustment, Device settings modification

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

**In-app purchases:** none


### DSI

[App page](https://appshunter.io/ios/app/dsi-x2/id6751246225)

Fine-tune your car audio system with this app, offering comprehensive control over equalization, phase, crossovers, and time alignment. Designed for both professionals and enthusiasts, it unlocks the full potential of your audio equipment through an intuitive interface.

**Highlights:** 6 Customizable Presets, 15 band Parametric Equalizer, Phase Correction, Crossover Adjustments, Automatic Time Alignment, Intuitive Input Mixing

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

**In-app purchases:** none


## Frequently asked questions

### Is Airplus free?

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

### Is DSI free?

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

### Which has better reviews, Airplus or DSI?

Airplus is rated higher. Airplus averages 3.0 out of 5 from 2 ratings, while DSI averages 1.0 from 1 ratings.

### Do Airplus or DSI have ads?

Neither Airplus nor DSI 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.*