Apps similar to MyTremolo include Simply Piano. It's paid, but Nootka is free. Other options are Playground Sessions. In total there are three Piano Trainers like MyTremolo for Android, iPhone, Mac, Windows and Linux.
Step-by-step courses teach music notation and songs from classical to pop, with instant feedback using any piano or keyboard. Personalized workouts, song slowing, Touch Courses, progress tracking, and monthly content updates suit all skill levels and ages.
Israel
Offers interactive piano lessons with real-time feedback, color-coded notes, games with levels and rewards, friend-based competition, shareable scores and recordings, practice statistics tracking, backing track play-along, popular songs library, and MIDI keyboard support.
United States
