I made this app to help you easily understand and find information about music theory. Use the included tools and exercises to improve your ear training, music theory skills and sight-reading. Please, contact me if you find any problems with the app, or if you want to share your feedback! Theory Intervals, chords, note values, rests, circle of fifths, scales, octaves, and various notation symbols (dynamics, articulation etc.) Tools Chord builder - generate chords and listen to examples Scale builder - generate scales and listen to examples Mode builder - generate modes and listen to examples Practice Helper (paid feature) - use this tool to randomize scales, keys and chords. It can help you during your practice sessions when you ask yourself "what should I practice next?" Exercises Ear training is a crucial part of becoming a musician! That's why Music Theory Helper includes bort ear training and music theory exercises to help you train your skills: Listening exercises - interval recognition (melodic and harmonic), chord recognition, chord inversions, chord progressions (major) Reading exercises - note reading (sight-reading), interval reading, chord reading, key signatures, scale formulas Mental practice - chord/scale degrees The app is free, but some features require an active subscription. Available in the following languages: English, Spanish, Italian, Russian, German, Swedish, Danish, Finnish, French, Japanese, Korean, Norwegian, Portuguese, Chinese.