# EDSP31 vs Airplus

The clearest difference is update cadence: EDSP31 at every 6 weeks against Airplus's every 5 months. EDSP31 also leads on iOS requirement (9.0 vs 15.0). 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.

EDSP31 ships an update every 6 weeks, Airplus every 5 months. The most recent releases landed on October 25, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | EDSP31 | Airplus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/airplus-p12/id6737599281/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 5 months |
| Monetization | — | Free |
| Size | 33 MB | 65 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DB Research L.L.P.](https://appshunter.io/developer/1582096044) | [Guang Dong Sound Power](https://appshunter.io/developer/1760446092) |

## What reviewers say

### EDSP31

[App page](https://appshunter.io/ios/app/edsp31-68/id1582112803)

**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, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EDSP31 free?

EDSP31 is free to download, with no in-app purchases.

### Is Airplus free?

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

### Do EDSP31 or Airplus have ads?

Neither EDSP31 nor Airplus shows ads.

### Which is updated more often, EDSP31 or Airplus?

EDSP31 ships an update every 6 weeks, and Airplus every 5 months. Most recently, EDSP31 was updated on October 25, 2026 and Airplus on November 4, 2026.

---

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