This app was mentioned in 4 comments, with an average of 6.25 upvotes
I made an Android app as a sort of jackknife do-it-all, welcome to check it out. It's free and has no ads.
Mozart's Friend
Hi deathtickles,
It's a free app I created for practicing/composing guitarists, called Mozart's Friend. Here's the link: https://play.google.com/store/apps/details?id=com.jameschin.android.mozartsfriend
I actually use my own ;)
https://play.google.com/store/apps/details?id=com.jameschin.android.mozartsfriend
It's for Android, and it's free, with no ads.