Best Johannes Doerr Apps

18+ iOS apps curated and reviewed

3.2 avg rating
5 free apps
Updated May 2026

Looking for free johannes doerr apps? 5 of our 18+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Johannes Doerr Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Midiflow Transposer (Audiobus)Midiflow Transposer (Audiobus)Free3.9★ (8)NoNoMay 2026
2MidiflowMidiflow$6.994.0★ (39)NoYesJul 2026
3iMIDIPatchbayiMIDIPatchbay$12.994.2★ (18)NoYesJun 2026
4Midiflow Monitor (Audiobus)Midiflow Monitor (Audiobus)Free4.0★ (9)NoNoMay 2026
5Midiflow Keyboard (Audiobus)Midiflow Keyboard (Audiobus)$2.994.4★ (7)NoNoMay 2026
6Midiflow Adapter (Audiobus)Midiflow Adapter (Audiobus)$1.994.0★ (4)NoNoJul 2026
7Midiflow Splitter (Audiobus)Midiflow Splitter (Audiobus)$2.993.2★ (11)NoNoMay 2026
8Midiflow Limiter (Audiobus)Midiflow Limiter (Audiobus)$1.993.3★ (3)NoNoMay 2026

Top Picks for Johannes Doerr

Midiflow#2

Midiflow by Johannes Doerr

MIDI Router and Processor
Strong Contender
🎵 Music
4.0😐(39 ratings)
$6.99In-App Purchases
Midiflow screenshot 1
Midiflow screenshot 2
Midiflow screenshot 3
Midiflow screenshot 4
Midiflow screenshot 5

This app enables seamless MIDI data transfer between different applications on your device. It allows for app synchronization, routing MIDI from sequencers to synths, and assigning keyboard zones. Users can save and recall configurations, and monitor MIDI activity.

What We Love

  • 👍 Comprehensive MIDI routing
  • 💡 Flexible MIDI manipulation
  • 🚀 Powerful functionality
  • ✨ Intuitive interface (for some)

Room to Improve

  • 🐛 Frequent crashes
  • 🐛 App doesn't open
  • 🐛 App closes immediately
iMIDIPatchbay#3

iMIDIPatchbay by Johannes Doerr

Advanced Instrument Control
Worth Considering
🎵 Music
4.2(18 ratings)
$12.99In-App Purchases
iMIDIPatchbay screenshot 1
iMIDIPatchbay screenshot 2
iMIDIPatchbay screenshot 3
iMIDIPatchbay screenshot 4
iMIDIPatchbay screenshot 5
iMIDIPatchbay screenshot 6

Organize your entire MIDI setup from a central point. Easily create split and layer configurations, send program changes, and filter controller data for external sound devices. Store and recall configurations as songs, and manage setlists for performances.

More Johannes Doerr apps to explore

4
Midiflow Monitor (Audiobus)
Midiflow Monitor (Audiobus)
Midiflow Monitor (Audiobus)
MIDI monitoring
Free

This app helps you visualize MIDI data flowing through your Audiobus setup. It's useful for troubleshooting or learning how MIDI works in your music production workflow. It supports background tracking and split-screen viewing.

Monitor MIDI data in AudiobusTrack MIDI in foreground/backgroundUse multiple instances
🎵 Music
(9)
free
5
Midiflow Keyboard (Audiobus)
Midiflow Keyboard (Audiobus)
Midiflow Keyboard (Audiobus)
Play piano, scales and chords
$2.99

This music app provides a versatile keyboard interface for controlling multiple synth applications simultaneously. It offers various layouts, including piano, scales, and chords, with customizable controls for pitch, modulation, and note velocity. Designed to integrate seamlessly with Audiobus 3, it enhances mobile music production.

Piano, scale, and chord layoutsMultiple independent keyboard stripsAdjustable key range and octaves
🎵 Music
(7)
paid
6
Midiflow Adapter (Audiobus)
Midiflow Adapter (Audiobus)
Midiflow Adapter (Audiobus)
Core MIDI-to-Audiobus
$1.99

This app bridges the gap for music applications that only support Core MIDI, enabling them to integrate with Audiobus 3. It creates virtual MIDI ports, allowing older music apps to send and receive MIDI data within the Audiobus 3 ecosystem.

Creates permanent virtual MIDI portsSupports up to 10 receiving appsSupports up to 10 sending apps
🎵 Music
(4)
paid
7
Midiflow Splitter (Audiobus)
Midiflow Splitter (Audiobus)
Midiflow Splitter (Audiobus)
Divide the keyboard into zones
$2.99

This MIDI effect app allows musicians to divide their external keyboard into multiple zones, assigning each zone to different synth apps. It offers powerful configuration options for split and layer setups, including octave transposition and controller assignment per synth.

Create split and layer configurationsAssign key zones to synth appsTranspose each synth app in octaves
🎵 Music
(11)
paid
8
Midiflow Limiter (Audiobus)
Midiflow Limiter (Audiobus)
Midiflow Limiter (Audiobus)
Velocity curve and filter
$1.99

This MIDI effect app allows you to filter and remap note velocities for Audiobus 3. You can set specific velocity ranges to filter out notes or use a curve to remap them to different values, enabling the creation of velocity layers for dynamic sound triggering.

Filter notes by velocity rangeRemap velocities with a curveRemap to a fixed velocity
🎵 Music
(3)
paid
9
Midiflow Motion (Audiobus)
Midiflow Motion (Audiobus)
Midiflow Motion (Audiobus)
3D controller
$1.99

Control effect parameters in other music apps by moving your device. Fine-tune MIDI commands like volume or modulation to your desired motion range for expressive control. Supports multiple parameters and apps simultaneously through Audiobus 3.

Control effect parameters with device motionUse device rotation (X/Y axis)Adjust motion and output value ranges
🎵 Music
(2)
paid
10
Midiflow Channels (Audiobus)
Midiflow Channels (Audiobus)
Midiflow Channels (Audiobus)
MIDI channel filter/remapper
$1.99

This music app acts as a MIDI effect for Audiobus 3, enabling users to filter and remap MIDI messages across specific channels. It allows for granular control over MIDI data flow within your audio setup.

Filter MIDI messages by channelRemap MIDI channelsUse multiple instances
🎵 Music
(3)
paid
11
Midiflow Scales (Audiobus)
Midiflow Scales (Audiobus)
Midiflow Scales (Audiobus)
Note remapper
$1.99

This MIDI effect app allows you to filter or remap incoming notes to fit a specific musical scale. It helps prevent incorrect notes, create harmonies, and simplify playing scales using your keyboard.

Filter out notes outside a scaleRemap notes to the closest scale notePlay scales using only white keys
🎵 Music
(4)
paid
12
Midiflow Randomizer (Audiobus)
Midiflow Randomizer (Audiobus)
Midiflow Randomizer (Audiobus)
Random generator for notes
$1.99

This MIDI effect app generates random variations in notes, velocities, and timing for musical sequences. It allows users to specify the range of randomization and can be used with other MIDI tools for harmonious results. Requires Audiobus 3.

Randomize notesRandomize note velocitiesRandomize timing
🎵 Music
(5)
paid
13
grünes daheim
grünes daheim
grünes daheim
by Haiilo GmbH
Free
💼 Business
(0)
14
Der Die Das - Artikel Finder
Der Die Das - Artikel Finder
Der Die Das - Artikel Finder
by Huseyin Dundar
Free
📚 Education
(0)
15
Linesol: Quick Paid Questions
Linesol: Quick Paid Questions
Linesol: Quick Paid Questions
Earn $0.05 per 10 sec survey
Free

Earn money by answering quick yes/no questions for companies. Each 10-second task pays $0.05, helping businesses test products and messaging. Cash out earnings easily via Revolut or Solana.

Answer quick yes/no questionsEarn $0.05 per 10-second taskCash out via Revolut or Solana
🌟 Lifestyle
(1)
free

FAQ about Johannes Doerr

What are the best johannes doerr apps for iPhone?
Midiflow Transposer (Audiobus) tops our johannes doerr apps ranking as of May 2026, with a 3.9-star average from 8 App Store ratings, and it's free to download.
Yes — 5 of the top johannes doerr apps we rank are free to download, including Midiflow Transposer (Audiobus) and Midiflow Monitor (Audiobus).
Midiflow Transposer (Audiobus) has no ads and has no in-app purchases, according to its App Store listing as of May 2026.
We track 18+ johannes doerr apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
Midiflow Transposer has a rating of 3.9 stars based on 8 user reviews.
The latest version, 1.0.7, was released on May 7, 2024, indicating recent development and support.