Apps like YDS Controller

Here are some great alternatives to YDS Controller by Yamaha Corporation :
Sax Tuner Demo
Sax Tuner Demo
★4.0
BTS for ME-90
BTS for ME-90
★4.7
How To Play Saxophone
How To Play Saxophone
★4.1
Piano MIDI Legend
Piano MIDI Legend
★3.8
Musical Instrument-Learn Piano
Musical Instrument-Learn Piano
★4.4
Saxophone Fingering Chart
Saxophone Fingering Chart
★4.3
BTS for GX-100
BTS for GX-100
★4.1
Fine Chromatic Tuner Pro
Fine Chromatic Tuner Pro
★4.3
Taiko Sounds - instrument app
Taiko Sounds - instrument app
★3.7
MIDI App ( trial version )
MIDI App ( trial version )
★3.6
Chromatic Tuner and Tone Maker
Chromatic Tuner and Tone Maker
★4.2
Rockrelay Synth FM
Rockrelay Synth FM
★4.1
Bluetooth MIDI Connect
Bluetooth MIDI Connect
★4.6
Jazz & Blues Music Radio
Jazz & Blues Music Radio
★4.7
Piano MIDI Bluetooth USB
Piano MIDI Bluetooth USB
★4.5
Piconica
Piconica
★4.3