---
title: "MIDI Check - Diagnose Tool — App Overview"
url: https://marlvel.ai/intel-report/music/midi-check-diagnose-tool
category: Music
developer: DejaWorks LTD
platforms: ios
rating: 4.0 (4 ratings)
pricing: paid
report_level: overview
generated: 2026-04-30
last_verified: "2026-04-30T10:06:29.415Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This is a specialized technical tool for MIDI signal debugging that requires specific connection sequences for certain Bluetooth hardware.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Music |
| Rating | 4.0 ★ (4) |
| Pricing | paid |
| Platforms | iOS |
| Latest Version (iOS) | 2.0.8 |
| Developer | DejaWorks LTD |

<!-- SECTION: Summary -->
## What is MIDI Check - Diagnose Tool?

MIDI Check is a diagnostic utility designed for musicians and engineers to monitor, filter, and troubleshoot MIDI data streams. It provides real-time visibility into hardware and virtual connections, allowing users to isolate specific messages and test connectivity with note and control signals.

<!-- SECTION: Key Features -->
## Key Features

- **Connection Monitoring**: Detects and displays all active hardware and virtual MIDI connections.
- **Advanced Filtering**: Allows users to isolate MIDI traffic by channel, message type, or system exclusive data like MIDI Clock.
- **Diagnostic Testing**: Enables the transmission of test note on/off and control messages to verify signal path integrity.
- **Data Analysis**: Provides MIDI Delta-Time tracking to measure latency between incoming messages.

<!-- SECTION: Target Audience -->
## Who is it for?

Musicians, sound engineers, and MIDI hardware technicians requiring real-time signal monitoring and troubleshooting.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/midi-check-diagnose-tool/id1235759917?uo=4)
- [Full Intelligence Report](https://marlvel.ai/intel-report/music/midi-check-diagnose-tool)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/music/midi-check-diagnose-tool).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*