# Airplus vs DS18 iDSP

The clearest difference is rating: Airplus at 3.0 against DS18 iDSP's 1.0. DS18 iDSP's advantage is iOS requirement (12.2 vs 15.0). On price, ratings volume, update cadence and ads 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.

Airplus ships an update every 5 months, DS18 iDSP every 6 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Airplus | DS18 iDSP |
| --- | --- | --- |
| 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/ds18-idsp/id6755451912/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** | Every 6 months |
| Monetization | Free | Free |
| Size | 65 MB | 59 MB |
| Requires iOS | 15.0 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Guang Dong Sound Power](https://appshunter.io/developer/1760446092) | [SPIRIT LLC](https://appshunter.io/developer/1327651109) |

## 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


### DS18 iDSP

[App page](https://appshunter.io/ios/app/ds18-idsp/id6755451912)

Control specific digital sound processor models with a user-friendly interface. Adjust audio settings like routing, gain, crossover, and equalization in real-time. Includes a demo mode for learning and battery/limiter monitoring.

**Highlights:** Channel Routing, Gain Control (General & Channel), Crossover Settings, Limiter & Equalizer Adjustments, Time Alignment, Configurable Memories, Battery & Limiter Monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Airplus free?

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

### Is DS18 iDSP free?

DS18 iDSP is free to download, with no in-app purchases.

### Which has better reviews, Airplus or DS18 iDSP?

Airplus is rated higher. Airplus averages 3.0 out of 5 from 2 ratings, while DS18 iDSP averages 1.0 from 1 ratings.

### Do Airplus or DS18 iDSP have ads?

Neither Airplus nor DS18 iDSP shows ads.

### Which is updated more often, Airplus or DS18 iDSP?

Airplus ships an update every 5 months, and DS18 iDSP every 6 months. Most recently, Airplus was updated on November 4, 2026 and DS18 iDSP on October 30, 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.*