apps / 493157418
Theory Lessons
musictheory.net · Music · $2.99 · US storefront
- rating
- 4.4 ★
- ratings
- 126
- updated
- Apr 21, 2026
- released
- Jan 17, 2012
v3.2.1
visible word pool · 2 words
title 14/30 chars · subtitle unavailable
App Store search indexes the title and subtitle together with the hidden 100-character keyword field as one combined pool: any phrase assembled from those words can rank. These are the words of Theory Lessons's pool that are public — the keyword field is not exposed by any API.
from the listing
Theory Lessons features 39 music theory lessons from musictheory.net, presented in their original animated versions. Complete lesson list: • The Staff, Clefs, and Ledger Lines • Note Duration • Measures and Time Signature • Rest Duration • Dots and Ties • Steps and Accidentals • Simple and Compound Meter • Odd Meter • The Major Scale • The Minor Scales • Scale Degrees • Key Signatures • Key Signature Calculation • Generic Intervals • Specific Intervals • Writing Intervals •…
latest US reviews
★★★★★
Needs lessons on sus chords.
I love the app and I find it very useful, but it lacks any information regarding suspended chords.
— anwut
★★★★★
~ 9 years later
I have to say. I appreciate apps like this that stand the time with needing much updating. This app has been instrumental in learning music theory and what’s great is you can use it as a reference as well as a walkthrough. Love this app. Thanks to the developers
— AndrewSchiavello
★★★★★
IPad issue
None of the directional arrows work, nor any other guidance symbols. Also, text panels are cut off at the bottom and cannot be resized. The course does not begin at the beginning, and I can’t go back to see what I missed, though having some theory already, it’s mostly review at…
— PJ-S
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