# Midiflow Monitor (Audiobus) — MIDI monitoring > MIDI monitoring tool for Audiobus users to track data flow. (iPhone/iPad app by Johannes Doerr.) - Source: https://appshunter.io/ios/app/midiflow-monitor-audiobus/id1109703024 (this page in markdown: same URL + `.md`) - Developer: [Johannes Doerr](https://appshunter.io/developer/622204117) - Category: Music, Entertainment - Price: Free - Rating: 4.40/5 from 8 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 10.2 · 5 MB - Languages: American English - Released: 2017-04-03 - Data updated: 2026-08-18 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/midiflow-monitor-audiobus/id1109703024/reviews.md ## What is Midiflow Monitor (Audiobus)? Do you want to see what MIDI is doing in your Audiobus setup? Just add Midiflow Monitor into one or more MIDI effect ports and the app will print what is going through. This can help you find problems or just understand how MIDI works. This app is a must-have and available for free. + Track MIDI commands when the app is in the foreground or background + Use multiple instances of this effect in Audiobus + Use Split View/Slide Over to display the monitor next to other apps NOTE: This app requires Audiobus 3. Insert it into one or more MIDI effect ports to monitor the data going through the respective pipelines. ## Key features - Monitor MIDI data in Audiobus - Track MIDI in foreground/background - Use multiple instances - Split View/Slide Over support - Troubleshoot MIDI issues ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/midiflow-monitor-audiobus/id1109703024/reviews.md ### 5/5 — Wonderful useful app *2018-11-25* Just sayin’ ### 1/5 — Unacceptable *2018-06-16* Developer has capitulated to the scourge of the GDPR, and did not provide an explanation of changes. Sad. ## Frequently asked questions about Midiflow Monitor (Audiobus) ### What is Midiflow Monitor used for? Midiflow Monitor is used to see and track the MIDI data that is passing through your Audiobus setup. It helps users understand MIDI communication and diagnose potential issues within their audio pipelines. ### Does Midiflow Monitor work with Audiobus 3? Yes, this app requires Audiobus 3 to function. You need to insert it into one or more MIDI effect ports within Audiobus to start monitoring the data. ### Can Midiflow Monitor track MIDI when the app is not active? Yes, Midiflow Monitor can track MIDI commands even when the app is in the background. This allows for continuous monitoring of your MIDI data flow during your music sessions. ### Is Midiflow Monitor available on Android? Based on the provided information, Midiflow Monitor is supported on iPhone, iPad, and iPod. There is no mention of Android compatibility. ### How often is Midiflow Monitor updated? The latest version of Midiflow Monitor was released on May 7, 2024. This indicates that the app receives periodic updates, with the last one being recent. ### What is the user rating for Midiflow Monitor? Midiflow Monitor has a rating of 4.0 stars based on 9 ratings. This suggests generally positive user reception for its functionality. ### Does Midiflow Monitor have ads? No, Midiflow Monitor does not contain advertisements. It is a free application without any ad interruptions. ### What is the age rating for Midiflow Monitor? Midiflow Monitor has an age rating of 4+. This means it is suitable for users aged 4 and above, making it accessible for a wide range of music enthusiasts. ## Version history (last 5 releases) ### 1.0.7 — 2024-05-07 Compatibility improvements for recent iOS versions ### 1.0.6 — 2020-12-01 Update for iOS 14 ### 1.0.5 — 2019-11-28 Update for iOS 13 ### 1.0.4 — 2018-06-15 Update for GDPR ### 1.0.3 — 2017-09-14 + Fixes for iOS 11 ## Apps similar to Midiflow Monitor (Audiobus) | App | Rating | Price | Category | | --- | --- | --- | --- | | [MIDI Expression Control](https://appshunter.io/ios/app/midi-expression-control/id1200670783) | 5.0 (6) | Free | Music | | [JAX MIDI Control Pad](https://appshunter.io/ios/app/jax-midi-control-pad/id6482661296) | 5.0 (2) | $5.99 | Music | | [ShowMIDI](https://appshunter.io/ios/app/showmidi/id6472608850) | 4.8 (18) | Free | Music | | [Midi Amuser](https://appshunter.io/ios/app/midi-amuser/id1638630892) | 4.8 (5) | Free | Music | | [URL Beamer](https://appshunter.io/ios/app/url-beamer/id6740650994) | 5.0 (2) | Free | Music | | [MIDI Scope](https://appshunter.io/ios/app/midi-scope/id1185667452) | 4.8 (20) | Free | Music | ## More apps by Johannes Doerr - [iMIDIPatchbay](https://appshunter.io/ios/app/imidipatchbay/id622204114) - [Midiflow](https://appshunter.io/ios/app/midiflow/id879915554) - [English is Easy – Learn vocabulary with pictures and sound](https://appshunter.io/ios/app/english-is-easy-learn-vocabulary-with-pictures-and-sound/id1056841728) - [Midiflow Keyboard (Audiobus)](https://appshunter.io/ios/app/midiflow-keyboard-audiobus/id1092870508) - [Midiflow Splitter (Audiobus)](https://appshunter.io/ios/app/midiflow-splitter-audiobus/id1104669188) - [Midiflow Limiter (Audiobus)](https://appshunter.io/ios/app/midiflow-limiter-audiobus/id1107244412) All apps by Johannes Doerr: https://appshunter.io/developer/622204117 ## Related topics [midi monitor](https://appshunter.io/ios/topics/midi-monitor) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-18.*