“Yousician” is billed as “your personal music tutor for the digital age.” It’s for pianists, guitarists and bass. Even ukulele players. It works for beginners and advanced musicians. Included are more than 15-hundred so-called “missions” and songs with hundreds of videos. All this to help you learn everything from reading music to chords, and more. The app is free for iOS and Android, with premium features available for purchase.
For guitarists there’s the “Uberchord” app. It uses your smartphone or tablet microphone with the app listening to your playing, delivering instructional feedback. Using the app consistently lets Uberchord track your progress and adjust teaching accordingly. The app is free for iOS
For the piano, try the app called “Simple Piano.” The app also uses your smartphone or tablet microphone to monitor playing skills and level. It teaches everything from the basics of piano to reading sheet music and playing with both hands. Daily workouts ensure skills remain up to speed. There’s also a way to use an on-screen piano if one isn’t available. It’s free for iOS and Android with premium features available.