Fret Zealot is an easy-to-use and user-friendly guitar-learning app. Systango team demonstrated their expertise in Android and iOS app development by offering services and consultation in prototyping, designing and delivery of the final product. The app boasts an impressive collection of features, including over 10,000 chord diagrams and arpeggios, dozens of notes and scales. Additionally, the app includes an intuitive AI/Listening mode, which waits until the player plays the correct chord or note. The app has surpassed 50K+ downloads on Android.