MUSIC THEORY WEBSITES
https://www.dkolessons.com/jazz/improvisation/
https://www.jazzimprovisation.com
https://www.musictheory.net/exercises
MUSIC THEORY APPS
Theory Lessons $2.99
https://itunes.apple.com/us/app/theory-lessons/id493157418?mt=8
Tenuto $3.99
https://itunes.apple.com/us/app/tenuto/id459313476?mt=8
Ear Trainer $6.99
https://itunes.apple.com/us/app/ear-trainer/id358733250?mt=8
Music Theory w AUDIO $0 with In App Purchases
https://itunes.apple.com/us/app/music-theory-with-audio/id438110068?mt=8