# DS18 DSP vs Airplus

The clearest difference is rating: DS18 DSP at 4.2 against Airplus's 3.0. DS18 DSP also leads on update cadence (every 2 days vs every 5 months). On price, review sentiment, ratings volume 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.

DS18 DSP holds the better App Store score, 4.2 against 3.0. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

DS18 DSP ships an update every 2 days, Airplus every 5 months. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | DS18 DSP | Airplus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/ds18-dsp/id1625944939/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/airplus-p12/id6737599281/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 months |
| Monetization | Free | Free |
| Size | 76 MB | 59 MB |
| Requires iOS | **12.0** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SPIRIT LLC](https://appshunter.io/developer/1327651109) | [Guang Dong Sound Power](https://appshunter.io/developer/1760446092) |

## What reviewers say

### DS18 DSP

[App page](https://appshunter.io/ios/app/ds18-dsp/id1625944939)

Control specific digital sound processor models with a smartphone or tablet. Adjust channels, gain, crossovers, limiters, and equalization in real-time. Features a demo mode for learning and battery/limiter monitoring.

**Highlights:** Channels Routing, General and Channels Gain, Crossover Settings, Limiter Control, Input/Output Equalizer, Time Alignment, Configurable Memories

**Features:** macOS Compatibility

**In-app purchases:** none


### 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

**In-app purchases:** none


## Frequently asked questions

### Is DS18 DSP free?

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

### Is Airplus free?

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

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

DS18 DSP is rated higher. DS18 DSP averages 4.2 out of 5 from 5 ratings, while Airplus averages 3.0 from 2 ratings.

### Do DS18 DSP or Airplus have ads?

Neither DS18 DSP nor Airplus shows ads.

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

DS18 DSP ships an update every 2 days, and Airplus every 5 months. Most recently, DS18 DSP was updated on October 20, 2026 and Airplus on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*