Apps like Protokol

Here are some great alternatives to Protokol by Hexler LLC :
Piano MIDI Bluetooth USB
Piano MIDI Bluetooth USB
★4.5
DJ Control
DJ Control
★3.5
Bluetooth MIDI Connect
Bluetooth MIDI Connect
★4.6
TouchDAW Demo
TouchDAW Demo
★3.6
MIDI Controller
MIDI Controller
★3.7
MIDI Connector - RTP, USB, BLE
MIDI Connector - RTP, USB, BLE
★3.3
Midi Commander
Midi Commander
★3.1
TouchDAW
TouchDAW
★4.2
Wireless Mixer - MIDI
Wireless Mixer - MIDI
★3.5
MIDI Drum
MIDI Drum
★4.3
Melodi MIDI Controller
Melodi MIDI Controller
★3.9
USB Midi Visualizer
USB Midi Visualizer
★3.7
Droid Synth
Droid Synth
★4.4
SoundFont-MidiPlayer-Piano
SoundFont-MidiPlayer-Piano
★4.1
MIDI File Player
MIDI File Player
★3.5
LK - Ableton & Midi Controller
LK - Ableton & Midi Controller
★3.7