Apps like SEQTRAK

Here are some great alternatives to SEQTRAK by Yamaha Corporation :
Stress Relief Music Visualizer
Stress Relief Music Visualizer
★4.6
SeeMusic
SeeMusic
★4.0
Visual Sounds 3D Visualizer
Visual Sounds 3D Visualizer
★3.6
Oscilloscope: Sound Visualizer
Oscilloscope: Sound Visualizer
★4.1
USB Midi Visualizer
USB Midi Visualizer
★3.7
Synth
Synth
★4.3
DJ Mixer -Virtual Music Player
DJ Mixer -Virtual Music Player
★3.4
Sound Effects For Video Editor
Sound Effects For Video Editor
★3.8
vuKNOB
vuKNOB
★4.0
SacredSound Visualizer
SacredSound Visualizer
★4.4
projectM Music Visualizer Pro
projectM Music Visualizer Pro
★4.6
Audio Visualizer Music Player
Audio Visualizer Music Player
★4.4
Music Video Maker - Vizik
Music Video Maker - Vizik
★4.1
Music Visualizer Vythm VJ & DJ
Music Visualizer Vythm VJ & DJ
★4.2
Spacecraft Granular Synth
Spacecraft Granular Synth
★4.7
3D DJ Music Mixer - Virtual DJ
3D DJ Music Mixer - Virtual DJ
★3.4