Best Johannes Doerr Apps

18+ iOS apps curated and reviewed

3.4 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.

Top Picks for Johannes Doerr

Midiflow Transposer (Audiobus)#1

Midiflow Transposer (Audiobus) by Johannes Doerr

Note shifter
Editor's Choice
🎵 Music
3.9(8 ratings)
Free
Midiflow Transposer (Audiobus) screenshot 1
Midiflow Transposer (Audiobus) screenshot 2

This simple MIDI effect app allows you to transpose notes by shifting in octaves and half-tones, making it easy to play in a different tone or create harmonies. Download it for free and use it with Audiobus 3 to shift notes in half-tone and octave steps, and create multiple instances for different effects.

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

This application helps musicians organize their MIDI setup from a central point, allowing them to easily create split and layer configurations, send control changes, and integrate music making apps into their live gear. With features like filtering controller data, storing configurations, and creating setlists, it streamlines live performances and makes it easy to manage complex MIDI setups - try it out and take your music to the next level!

More Johannes Doerr apps to explore

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

This application allows users to monitor MIDI data in their Audiobus setup by adding it to one or more MIDI effect ports, helping to identify issues or understand MIDI functionality. By tracking MIDI commands, users can gain insight into their setup, and with multiple instances and split view support, it's a versatile tool for MIDI analysis.

🎵 Music
(9)
5
Midiflow Keyboard (Audiobus)
Midiflow Keyboard (Audiobus)
Midiflow Keyboard (Audiobus)
Play piano, scales and chords
$2.99

This music keyboard app allows you to play piano, scales, and chords with multiple synth apps simultaneously, featuring various layouts, adjustable controls, and sensitivity options. With its intuitive interface, you can easily switch sounds, transpose output, and use multitasking modes to enhance your music creation experience.

🎵 Music
(7)
6
Midiflow Adapter (Audiobus)
Midiflow Adapter (Audiobus)
Midiflow Adapter (Audiobus)
Core MIDI-to-Audiobus
$1.99

This MIDI adapter app connects "legacy" music apps that only support Core MIDI to Audiobus 3, enabling them to send and receive MIDI data. It creates virtual MIDI ports for input and output, allowing users to connect up to 10 receiving and 10 sending apps, and use multiple instances within Audiobus 3.

🎵 Music
(4)
7
Midiflow Splitter (Audiobus)
Midiflow Splitter (Audiobus)
Midiflow Splitter (Audiobus)
Divide the keyboard into zones
$2.99

This MIDI effect app divides your keyboard into zones, allowing you to create split and layer configurations for multiple synth apps. With features like octave shifting, controller assignment, and solo functionality, you can customize and control your sounds with ease, making it an essential tool for musicians using external keyboards.

🎵 Music
(11)
8
Midiflow Limiter (Audiobus)
Midiflow Limiter (Audiobus)
Midiflow Limiter (Audiobus)
Velocity curve and filter
$1.99

This MIDI effect app filters and remaps note velocities, allowing you to create velocity layers, adjust note strengths, and control sound triggers. By setting velocity ranges and curves, you can customize your sound and add nuance to your music - try it out and take your sound to the next level!

🎵 Music
(3)
9
Midiflow Motion (Audiobus)
Midiflow Motion (Audiobus)
Midiflow Motion (Audiobus)
3D controller
$1.99

This app lets you control effect parameters of other music apps by moving your device, sending MIDI commands like volume or modulation, and fine-tuning the motion range. Use it to control multiple effects simultaneously and add a new level of expression to your music performances.

🎵 Music
(2)
10
Midiflow Channels (Audiobus)
Midiflow Channels (Audiobus)
Midiflow Channels (Audiobus)
MIDI channel filter/remapper
$1.99

This MIDI effect app filters out MIDI messages on specific channels and allows remapping of channels, providing flexibility in managing MIDI data. Try it out to streamline your MIDI workflow by inserting it into your Audiobus setup.

🎵 Music
(3)
11
Midiflow Scales (Audiobus)
Midiflow Scales (Audiobus)
Midiflow Scales (Audiobus)
Note remapper
$1.99

This MIDI effect app filters out unwanted notes or remaps them to a scale, allowing you to create variations, prevent wrong notes, and generate harmonies. With features like note remapping, scale selection, and keyboard-style note selection, you can easily transform your music and experiment with new sounds - try it out and take your music to the next level!

🎵 Music
(4)
12
Midiflow Randomizer (Audiobus)
Midiflow Randomizer (Audiobus)
Midiflow Randomizer (Audiobus)
Random generator for notes
$1.99
🎵 Music
(5)
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
🌟 Lifestyle
(0)