---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "ShowMIDI"
developer_entity: "Uwyn, LLC"
bundle_id: "com.uwyn.showmidi"
app_store_id: "6472608850"
category: "Music"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2024-07-10"
report_date: "2026-10-28"
last_verified: "2026-10-28T00:00:00.000Z"
report_version: "1.0.1"
total_reviews: 18
overall_rating: 4.8
sentiment: "Thrilled"
sentiment_score: 90
confidence: "medium"
confidence_score: 0.5
top_praise_theme: "Visualizing MIDI events in real time provides essential diagnostic clarity for developers and musicians"
top_complaint_theme: "Incomplete event history registration for repeated key presses prevents accurate monitoring of rapid MIDI input"
review_sample_size: 7
total_review_count: 7
analyzed_review_count: 7
data_age_days: 17
momentum_velocity: "zombie"
intelligence_version: 2
tags: ["music", "free", "thrilled sentiment", "mobile app", "app review", "app analysis", "music", "producers,", "audio"]
canonical_url: "https://marlvel.ai/apps/showmidi"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# ShowMIDI Intelligence Report

## TL;DR {#tldr}

- **Category**: Music · Free
- **Signal**: Rating 4.83 · Sentiment Thrilled
- **Recent focus**: Incomplete event history registration for repeated key presses prevents accurate monitoring of rapid MIDI input (top complaint) · Visualizing MIDI events in real time provides essential diagnostic clarity for developers and musicians (top praise)

> **TL;DR:** ShowMIDI is a music app by Uwyn, LLC, rated 4.83/5 by 18 users, with Thrilled user sentiment (90/100), available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** ShowMIDI maintains Thrilled user sentiment (4.83/5 from 18 reviews), with users consistently praising visualizing midi events in real time provides essential diagnostic clarity for developers and musicians.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.83/5 (18 reviews) |
| **User Mood** | Thrilled |
| **Category** | Music |
| **Developer** | Uwyn, LLC |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Medium (0.5/1.0) |
| **Data Age** | 17d |

## Metadata & Market Performance
- **Publisher:** Uwyn, LLC
- **Category:** Music
- **Target Audience:** Music producers, audio engineers, and developers who need to monitor and debug MIDI activity in real-time.
- **Platforms:** iOS
- **Version Reviewed:** 1.0.1
- **Report Date:** 2026-10-28
- **Signal Count:** 7 reviews analyzed
- **Confidence:** Medium (0.5/1.0)
- **App Store ID (iOS):** 6472608850
- **Bundle ID:** com.uwyn.showmidi
- **Data Window:** Analysis based on signals collected up to 2026-10-28

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** ShowMIDI is an open-source, multi-platform GUI application that visualizes MIDI activity for music producers and audio engineers.
**Why users hire it:** The app removes the cognitive friction of wading through raw MIDI logs by providing a real-time, glanceable snapshot of active ports, channels, and message types.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] AUv3 Plugin Support:** Functions as an AUv3 plugin within DAWs to monitor MIDI data directly inside audio sessions.
- **[Standard] Real-time MIDI Visualization:** Visualizes active MIDI ports, channels, and message types in a glanceable interface.
  * *User Intent:* Users want real-time communication within the app experience.
- **[Differentiator] Data Snapshotting:** Pauses the flow of MIDI activity to inspect specific data states.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

ShowMIDI occupies a specialized diagnostic niche in the Music category, maintaining a 4.83 rating across 18 total ratings. The lack of updates for over 840 days signals a maintenance-mode posture that contrasts with the active, iterative nature of professional DAW-compatible tools.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Fully free, open-source application
- **Analysis:** ShowMIDI is distributed as a free, open-source tool with no visible monetization or gated features.

<!-- section:sentiment -->
## 🟢 User Sentiment (Medium Confidence: 7 of 7 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.83/5
- **Platform Split:** iOS 4.8/5 (18 ratings)
- **Overall Sentiment:** Thrilled

### Top Praises
- **Visualizing MIDI events in real time provides essential diagnostic clarity for developers and musicians**
- **Human readable display for standardized RPNs simplifies complex MIDI data interpretation for technical users**

### Top Complaints (Impact Areas)

- **Incomplete event history registration for repeated key presses prevents accurate monitoring of rapid MIDI input**

<!-- /section:sentiment -->
<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- AUv3 plugin architecture enables direct MIDI monitoring within professional DAW workflows

**Growth Levers:**
- Optional logging panel would allow users to track MIDI messages without cluttering the main interface


<!-- /section:swot -->
<!-- section:whats-new -->
## What's New

- **Latest (v1.0.1, 2 years ago):** Added support for standardized RPNs 0-6 with human-readable value displays and improved 14-bit CC handling for NRPN and RPN data entry.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Zombie) {#momentum}

- No updates for 27 months.
- Maintains high user rating.

> **Cadence:** 1 total versions · 1 majors in last 6 months · 839 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

ShowMIDI is a market-leading music app that is completely free.
With a 4.83/5 rating from 18 reviews, it delivers strong user satisfaction.

<!-- speakable-start -->
> **Bottom Line:** ShowMIDI provides essential diagnostic clarity for MIDI troubleshooting, but the lack of active development threatens its long-term viability as a professional tool. Addressing the logging limitations for rapid input would solidify its utility, provided the developer resumes a maintenance cadence.
<!-- speakable-end -->

**Best for:** Music producers, audio engineers, and developers who need to monitor and debug MIDI activity in real-time.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [INVEST] Audit event registration logic because rapid key presses fail to log correctly → improve diagnostic reliability
<!-- /section:pm-actions -->

<!-- section:outlook -->
### Outlook: Mixed

The MIDI diagnostic market is consolidating around tools that offer deep DAW integration, making ShowMIDI's AUv3 support a significant, albeit aging, advantage. Without a return to a regular update cadence, ShowMIDI risks being displaced by newer, actively maintained utilities that can keep pace with evolving OS and DAW standards.

- 🔴 The 27-month development silence suggests the project is in maintenance mode, which increases the risk of incompatibility with future DAW updates.
- 🟢 High user satisfaction with the core visualization engine indicates that the existing feature set remains highly relevant for MIDI diagnostic workflows.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.83/5 |
| Total Reviews | 18 |
| Sentiment | Thrilled (90/100) |
| Confidence | Medium |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Outlook | Mixed |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **ShowMIDI** (this app) | 4.83/5 | Thrilled | Uwyn, LLC |
| [SyncTimer - Ensemble Stopwatch](https://marlvel.ai/apps/synctimer-ensemble-stopwatch) | 5.0/5 | Thrilled | Sebastian Suarez-Solis |
| [ヨルシカ](https://marlvel.ai/apps/com-yorushika-sp) | 4.8/5 | N/A | Fanplus, Inc. |
| [あいみょん](https://marlvel.ai/apps/net-aimyong-sp) | 4.5/5 | N/A | Fanplus, Inc. |
| [イントリズム](https://marlvel.ai/apps/jp-rc-into-rhythm) | 3.5/5 | N/A | RedinC |
| [クリープハイプ](https://marlvel.ai/apps/creephyp-sp-browsingapp) | N/A/5 | N/A | Fanplus, Inc. |

## Company Profile
- **Developer:** Uwyn, LLC
- **Website:** [https://uwyn.com](https://uwyn.com)
- **Social:** [Discord](https://discord.gg/3ggPJyMZ8A)

## Data Sources & Links
- **App Store ID:** 6472608850
- **Dev Site:** [Official Website](https://uwyn.com)
- **Sources:** Developer website content, App store metadata, User reviews.

## Related Intel Reports
- [*SyncTimer - Ensemble Stopwatch*](https://marlvel.ai/apps/synctimer-ensemble-stopwatch) (Sebastian Suarez-Solis) · 5.0/5 Rating | Excellent Sentiment
- [*ヨルシカ*](https://marlvel.ai/apps/com-yorushika-sp) (Fanplus, Inc.) · 4.8/5 Rating
- [*あいみょん*](https://marlvel.ai/apps/net-aimyong-sp) (Fanplus, Inc.) · 4.5/5 Rating
- [*イントリズム*](https://marlvel.ai/apps/jp-rc-into-rhythm) (RedinC) · 3.5/5 Rating
- [*クリープハイプ*](https://marlvel.ai/apps/creephyp-sp-browsingapp) (Fanplus, Inc.) · N/A Rating
- [*マカロニえんぴつ*](https://marlvel.ai/apps/com-macaroniempitsu-fc) (Fanplus, Inc.) · 3.1/5 Rating
- [*¼ learn sight read music tutor*](https://marlvel.ai/apps/learn-sight-read-music-tutor) (Alain Kong) · 4.5/5 Rating
- [*100.1 Jack FM*](https://marlvel.ai/apps/100-1-jack-fm) (NRG Media) · 1.0/5 Rating
- [*100.1 WJRZ*](https://marlvel.ai/apps/100-1-wjrz) (Beasley Broadcast Group) · 4.8/5 Rating | Excellent Sentiment
- [*100.3 The Wolf*](https://marlvel.ai/apps/100-3-the-wolf) (SummitMedia, LLC) · 4.1/5 Rating

## Frequently Asked Questions {#faq}

### Is ShowMIDI free to use?

Yes, ShowMIDI is a fully free, open-source application with no gated features or subscription tiers.

### Does ShowMIDI work inside my DAW?

Yes, ShowMIDI functions as an AUv3 plugin, allowing you to monitor MIDI data directly within your DAW sessions.

### Is ShowMIDI still being updated?

No, ShowMIDI has not received a major update in over 27 months, suggesting the project is currently in maintenance mode.

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes).
4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.5/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 7
- **Data Sources:** user reviews, developer website, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 17 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/showmidi)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.