# MIDI Check vs DigiKeys AUv3 Sequencer Plugin

The clearest difference is review sentiment: DigiKeys AUv3 Sequencer Plugin at 79% against MIDI Check's 0%. DigiKeys AUv3 Sequencer Plugin also leads on rating (4.3 vs 4.0) and ratings volume (19 vs 4). MIDI Check's advantage is price ($1.99 vs $9.99) and update cadence (every 4 days vs every 10 days). On ads, in-app purchases, monetization model and device support there is nothing between them.

MIDI Check costs $1.99 and DigiKeys AUv3 Sequencer Plugin $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DigiKeys AUv3 Sequencer Plugin holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 4 and 19 respectively. Written reviews point the same way: 0% of MIDI Check's written reviews are positive against 79% of DigiKeys AUv3 Sequencer Plugin's.

MIDI Check ships an update every 4 days, DigiKeys AUv3 Sequencer Plugin every 10 days. The most recent releases landed on October 13, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | MIDI Check | DigiKeys AUv3 Sequencer Plugin |
| --- | --- | --- |
| Price | **$1.99** | $9.99 |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/midi-check-diagnose-tool/id1235759917/reviews) | **[4.3 (19 ratings)](https://appshunter.io/ios/app/digikeys-auv3-sequencer-plugin/id1497678986/reviews)** |
| Number of ratings | 4 | **19** |
| Positive reviews | 0.0% of reviews | **78.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 10 days |
| Monetization | Paid | Paid |
| Size | 35 MB | 307 MB |
| Requires iOS | **10.3** | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DejaWorks LTD](https://appshunter.io/developer/1051410230) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### MIDI Check

[App page](https://appshunter.io/ios/app/midi-check-diagnose-tool/id1235759917)

Diagnose and troubleshoot MIDI connections on your devices. View active connections, monitor incoming messages, and filter unwanted data. Record MIDI messages in the background with a clear, intuitive interface.

**Highlights:** Detect active MIDI connections, View incoming MIDI messages, Send test MIDI notes and control messages, Filter MIDI channels and messages, Filter MIDI System Exclusive messages, Record MIDI messages in background mode

**Features:** macOS Compatibility

**In-app purchases:** none


### DigiKeys AUv3 Sequencer Plugin

[App page](https://appshunter.io/ios/app/digikeys-auv3-sequencer-plugin/id1497678986)

This is a pattern-based MIDI sequencer plugin for AUv3 compatible hosts. It can drive external MIDI instruments or its internal sample-based audio engine. Create looped patterns, chain them into songs, and experiment with real-time performance modes.

**Highlights:** Pattern-based MIDI sequencing, Internal sample-based audio engine, 16 MIDI tracks per pattern, Song creation up to 256 patterns, Random pattern generator, Live matrix performance mode, Multi-Bus output support

**In-app purchases:** none


## Frequently asked questions

### Is MIDI Check free?

MIDI Check costs $1.99, with no in-app purchases.

### Is DigiKeys AUv3 Sequencer Plugin free?

DigiKeys AUv3 Sequencer Plugin costs $9.99, with no in-app purchases.

### Which has better reviews, MIDI Check or DigiKeys AUv3 Sequencer Plugin?

DigiKeys AUv3 Sequencer Plugin is rated higher. MIDI Check averages 4.0 out of 5 from 4 ratings, while DigiKeys AUv3 Sequencer Plugin averages 4.3 from 19 ratings.

### Do MIDI Check or DigiKeys AUv3 Sequencer Plugin have ads?

Neither MIDI Check nor DigiKeys AUv3 Sequencer Plugin shows ads.

### Which is updated more often, MIDI Check or DigiKeys AUv3 Sequencer Plugin?

MIDI Check ships an update every 4 days, and DigiKeys AUv3 Sequencer Plugin every 10 days. Most recently, MIDI Check was updated on October 13, 2026 and DigiKeys AUv3 Sequencer Plugin on October 20, 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.*