# MIDI Expression Control vs AV link

MIDI Expression Control and AV link both sit at 5.0 stars, but that hides the real split: 100% of MIDI Expression Control's written reviews are positive against 25% of AV link's. AV link's advantage is update cadence (every 6 days vs every 6 months) and iOS requirement (10.3 vs 12.0). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for MIDI Expression Control against 5.0 for AV link. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews are what separate them: 100% of MIDI Expression Control's written reviews are positive against 25% of AV link's.

MIDI Expression Control ships an update every 6 months, AV link every 6 days. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | MIDI Expression Control | AV link |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/midi-expression-control/id1200670783/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/av-link/id1527690212/reviews) |
| Number of ratings | **6** | 3 |
| Positive reviews | **100.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 days** |
| Monetization | Free | Free |
| Size | 6 MB | 53 MB |
| Requires iOS | 12.0 | **10.3** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Robert Jonkman](https://appshunter.io/developer/1200670782) | [SIU KEUNG CHAN](https://appshunter.io/developer/1408408970) |

## What reviewers say

### MIDI Expression Control

[App page](https://appshunter.io/ios/app/midi-expression-control/id1200670783)

This application allows users to modify settings for MIDI Expression devices. Ensure your device has firmware version 2.6 or higher for iOS compatibility.

**Highlights:** Change device settings, Compatible with MIDI Expression devices, iOS firmware compatibility check, Free to download

**In-app purchases:** none


### AV link

[App page](https://appshunter.io/ios/app/av-link/id1527690212)

Control your car's audio system with this app. Tune radio stations, play music from USB or Bluetooth, and adjust audio levels. It displays song information for USB and Bluetooth playback.

**Highlights:** Radio station scanning and storage, USB music playback with ID3 info, Bluetooth music control with ID3 info, External audio input via AUX, Play/pause/previous/next controls, Treble and bass level adjustment

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MIDI Expression Control free?

MIDI Expression Control is free to download, with no in-app purchases.

### Is AV link free?

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

### Which has better reviews, MIDI Expression Control or AV link?

MIDI Expression Control and AV link are both rated 5.0 out of 5 on the App Store, from 6 and 3 ratings respectively.

### Do MIDI Expression Control or AV link have ads?

Neither MIDI Expression Control nor AV link shows ads.

### Which is updated more often, MIDI Expression Control or AV link?

MIDI Expression Control ships an update every 6 months, and AV link every 6 days. Most recently, MIDI Expression Control was updated on October 10, 2026 and AV link on October 5, 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.*