Music Theory Pro is an awsome app for iphone/ipad users. Its handy for revision and improving your theoretical skills.
Users will be able to practice naming notes on the staff or piano while progressing into intervals, chord progressions and key signatures.
For more advanced musicians, ear training is available with more challenges, sharpening your ear to identify seventh chords and modal scales.
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This app shows your progress and identifies your problem areas that you may need to improve on.

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