Comparison

MIDI Scope vs ShowMIDI

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MIDI Scope

Monitor MIDI activity on your iOS device. Filter events by type, group, or channel, with detailed packet interpretation in decimal and hexadecimal. Send feedback directly to the developer.

Highlights
  • Monitor MIDI activity
  • Filter events by type, group, or channel
  • Detailed event packet interpretation
  • Raw packet data in decimal and hexadecimal
  • iOS device compatibility
Features
Read full description

MIDI Scope allows you to monitor MIDI activity using your iOS device. Features include the ability to filter events by individual type, continuous controller, or by group as well as MIDI channel. A comprehensive interpretation of each event packet is displayed. Raw packet data is shown in both decimal and hexadecimal formats. Please send feature requests and trouble reports to the support email listed on our web site. Please rate this app, there is a button on the settings page to make it easy.

About

ShowMIDI

This application provides a real-time, glanceable view of all MIDI activity on your computer. It visualizes various MIDI messages and allows you to pause the flow for a data snapshot. It can be used as a standalone tool or an AUv3 plugin within your DAW.

Highlights
  • Real-time MIDI visualization
  • Auto-hides irrelevant messages
  • Pause and snapshot data
  • Standalone application
  • AUv3 plugin support
  • Supports MPE configuration
Features
Read full description

ShowMIDI is an open-source multi-platform GUI application to effortlessly visualize MIDI activity. Instead of wading through logs of MIDI messages to correlate relevant ones and identify what is happening, ShowMIDI visualizes the current activity and auto-hides what you don't care about anymore. It provides you with a real-time glanceable view of all MIDI activity on your computer. ShowMIDI is designed to be always on, using the spacebar or play/pause button you can pause the flow and focus on a data snapshot with the latest state of any MIDI entity. ShowMIDI can be ran as a standalone application that automatically detects all your MIDI devices, or as an AUv3 plugin in your DAW or host to visualize MIDI data in your sessions. ShowMIDI visualizes: * MIDI ports * channels * program change * note on/off * channel pressure * polyphonic pressure * continuous control change * pitchbend * RPN and NRPN * MPE configuration and channel modes ShowMIDI supports: * themes * standalone operation * AUv3 operation

Screenshots

MIDI Scope3 screens
ShowMIDI4 screens

Verdict

The call

The clearest difference is in-app purchases: ShowMIDI at none against MIDI Scope's 3. ShowMIDI also leads on update cadence (every 2 months vs every 9 months) and iOS requirement (12.0 vs 17.0). MIDI Scope's advantage is review sentiment (100% vs 88%). On price, rating, ratings volume and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. MIDI Scope sells 3 one-off in-app purchases. ShowMIDI asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for MIDI Scope against 4.8 for ShowMIDI. Both are backed by a comparable volume of ratings — 20 and 18 respectively. Written reviews are what separate them: 100% of MIDI Scope's written reviews are positive against 88% of ShowMIDI's.

UpkeepUpdate frequency

MIDI Scope ships an update every 9 months, ShowMIDI every 2 months. The most recent releases landed on September 9, 2026 and September 5, 2026 respectively.

Scorecard4 real differences · 6 level
MIDI Scope versus ShowMIDI: the parameters behind the verdict, then further details
ParameterMIDI ScopeShowMIDI
PriceFreeFree
Rating4.8 (20 ratings)4.8 (18 ratings)
Positive reviews100.0% of reviews — better87.5% of reviews
Number of ratings20 — better18
Update frequencyEvery 9 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS17.012.0 — better
Further details — not scored
Size1 MB8 MB
Age rating4+4+
DeveloperKinematic SystemsUwyn, LLC

Customer experience

MIDI Scope

All ratings18 ratings
Positive88.9%
Neutral11.1%
Negative0.0%
Written reviews14 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

ShowMIDI

All ratings18 ratings
Positive94.4%
Neutral5.6%
Negative0.0%
Written reviews8 reviews
Positive87.5%
Neutral12.5%
Negative0.0%

In-app purchases

3 purchases

MIDI Scope

One-time3
  • Small$0.99
  • Small$2.99
  • Large$4.99
None

ShowMIDI

No in-app purchases

Questions

Is MIDI Scope free?
MIDI Scope is free to download, with in-app purchases available.
Is ShowMIDI free?
ShowMIDI is free to download, with no in-app purchases.
Which has better reviews, MIDI Scope or ShowMIDI?
MIDI Scope and ShowMIDI are both rated 4.8 out of 5 on the App Store, from 20 and 18 ratings respectively.
Do MIDI Scope or ShowMIDI have ads?
Neither MIDI Scope nor ShowMIDI shows ads.
Which is updated more often, MIDI Scope or ShowMIDI?
MIDI Scope ships an update every 9 months, and ShowMIDI every 2 months. Most recently, MIDI Scope was updated on September 9, 2026 and ShowMIDI on September 5, 2026.

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