Yousician

The app for people who need a score to chase. Yousician listens through your phone's microphone and grades each note for accuracy and timing, which turns daily practice into something closer to a game and makes it easy to keep a streak going. That feedback is also its blind spot: it hears whether a note sounded on time, not whether you got there with a death grip, a collapsed wrist or a pick angle that will cause trouble later. Use it as the practice partner, not the teacher. The free tier gives limited daily lesson time; a subscription unlocks the rest.