Enhance your musical understanding with interactive exercises on notes, intervals, scales, and chords. Learn to identify harmonies and progress your skills in music theory. Ideal for beginners and intermediate musicians seeking to improve their ear.




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Enhance your musical understanding with interactive exercises on notes, intervals, scales, and chords. Learn to identify harmonies and progress your skills in music theory. Ideal for beginners and intermediate musicians seeking to improve their ear.





This app helps you master your guitar's fretboard by prompting you to play notes in various notations and providing instant feedback. It uses your device's microphone to listen and track your progress, making learning interactive and engaging.






This app serves as a comprehensive toolkit for opticians and optometrists, simplifying daily tasks. It offers features for prescription transposition, refraction calculation, and visual display of lens and depth of field information, aiding both new and experienced professionals.








Learn to identify musical intervals by associating them with popular song melodies. Get immediate feedback on your guesses, with the correct melody playing after an incorrect answer. This app helps improve your relative pitch for transcribing music by ear.




Enhance your musical abilities with interactive ear training exercises. Practice identifying notes, intervals, and chords through various drills. Customize your practice sessions and personalize the app's appearance.