What are some alternatives?
When comparing Touch Pianist and Melodics, you can also consider the following products
Simply Piano - Fast and fun way to learn piano
Flowkey - The easiest way to learn piano with your iPhone or iPad
Pianu - Learn to play the piano in your browser.
Yousician - An interactive guitar-learning app.
Type Drummer - Drum by typing
lightnote - An interactive site to learn the basics of music theory 🎶