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Theory Lessons

Theory Lessons

🇰🇷 KR Localized
musictheory.net
MusicEducation
Rating
★ 4.43126 ratings
Price
USD 2.99
Version
3.2.1
Size
4 MB
Age
4+
Released 2012-01-17First seen 2026-05-28App Store →

Screenshots

Theory Lessons screenshot 1Theory Lessons screenshot 2Theory Lessons screenshot 3Theory Lessons screenshot 4Theory Lessons screenshot 5

Description

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 • Interval Inversion • Introduction to Chords • Triad Inversion • Seventh Chords • More Seventh Chords • Seventh Chord Inversion • Diatonic Triads • Roman Numeral Analysis: Triads • Diatonic Seventh Chords • Roman Numeral Analysis: Seventh Chords • Composing with Minor Scales • Voicing Chords • Analysis: O Canada • Nonharmonic Tones • Phrases and Cadences • Circle Progressions • Common Chord Progressions • Triads in First Inversion • Triads in Second Inversion • Analysis: Auld Lang Syne • Building Neapolitan Chords • Using Neapolitan Chords • Analysis: Moonlight Sonata

What's New

v3.2.1 · 2026-04-21

- Fixes an issue where opening a link to a lesson could fail. - Updates the app icon used in Dark, Clear, or Tinted modes. - Fixes an issue where the wrong image would show in "The Staff, Clefs, and Ledger Lines". - Corrects typographical errors in "The Minor Scales", "Diatonic Seventh Chords", and "Roman Numeral Analysis: Seventh Chords".

Details

Developer
musictheory.net
Main Category
Music
Version
3.2.1
Version Release
2026-04-21
Initial Release
2012-01-17
Size
4 MB
Age Rating
4+
Price
USD 2.99
Languages
EN
Bundle ID
net.musictheory.TheoryLessons
Version Rating
★ 4.43 (126)
First Seen
2026-05-28

Metadata updated 2026-06-14

Rank History

Free · Max 90 days · Top 5 categories shown (Y-axis: rank, lower is better)

No rank history data

Free Rankings

2026-06-14

No rankings

Paid Rankings

2026-06-14
Music#21

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US · Paid Rankings

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More by This Developer

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User Reviews

Latest 11
★★★★Needs lessons on sus chords.🇺🇸 US

I love the app and I find it very useful, but it lacks any information regarding suspended chords.

anwut· 2026-04-06
★★★★★~ 9 years later🇺🇸 US

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· 2025-10-19
★★★★Language🇯🇵 JP

This is a very friendly software for people who are starting to learn music theory knowledge, but it is not very friendly for some foreigners or people who do not understand English. Although we can learn English in this way, most people still want to learn music theory, so I hope the official can see this comment and help us who do not understand English add some language options like Chinese, Japanese, etc. Thanks again to the official for giving those of us without much financial strength or time a platform to learn our own interests and hobbies.

Li a music learner· 2025-02-21
★★★★★IPad issue🇺🇸 US

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 this point. But if you’re going to charge ANYTHING, make sure what you’re charging for actually works.

PJ-S· 2024-12-29
★★★★Review of musictheory.net🇺🇸 US

Musictheory.net is an excellent free resource for teachers and students. Being technologically challenged, I like the simplicity of it. The site accomplishes its purpose without frills. Though it might not be as exciting as an online game, it seems to challenge students appropriately. It can be used to teach a new concept or review old concepts, as an assessment tool, and for students to practice. Student can easily go online and practice, put their knowledge to the test, or complete an assignment. I am eager to use the Interval Identification exercise for students to practice and track their own progress.

ioanna tsaka· 2024-06-08
★★★★★Good but missing features🇺🇸 US

There is a practice mode that is on the website version. It seems like the app is a lackluster version of the website. For a more expensive alternative, I would expect either the practice exercises or other practice features to be implemented. A great offline version for the lessons but not much else. The website offers the same, comprehensive lessons as well as activities/ games to help solidify and check in on your learning for free. It has the most user friendly diagrams and lessons that I’ve seen compared to other apps.

oooooooooofffffooooooooooo· 2024-01-31
★★★★★A lot left to be desired🇺🇸 US

This app would work as referenced to those who are thoroughly trained in music theory NOTFOR LEARNING IT

Pookie064· 2022-11-25
★★★★★Awesome app🇺🇸 US

Would highly recommend

vikki-panthersfan· 2022-11-13
★★★★Very good BUT🇺🇸 US

This honestly is I would say the best music theory app out there I do with that between this app “Theory” and “Tenuto” that is would be more helpful in memorizing things like maybe implementing something for practice. Also I kinda wish “Theory” had a thing in the scales section to learn about pentatonic scales and blues scales. Also to learn to apply concert pitch to different instruments. Thanks I hope you guys are improving things also honestly this app is extremely good you should honestly have people pay for it so you can have the time to update it and stuff and implement those things.

Bryce Novy· 2021-11-20
★★★★★needs practice modes from the website🇺🇸 US

needs practice modes from the website

Music theory . net user· 2021-08-04
★★★★★Truly Very Nice🇺🇸 US

I had needed a great music theory app, and this fulfills my need quite perfectly. The teaching is laid out in a very easy-to-understand format with attractive interactive user-friendly diagrams. By the end of the first lesson, I felt as if I’d learnt quite a lot. And all without any effort at all. It’s unbelievable! I already have an excellent practical practice app, in form of playgroundsessions app, that I had bought in a package deal along with a baby grand piano. But I had found the hands-on playgroundsessions teaching tool to be slightly lacking in deep music theory support. So I went looking for something to compliment the playgroundsessions hands-on app, and to hence fully round out my musical education. Now I have one app for hands-on practice, and this one, for in-depth theory learning. This is great!

quasar1334· 2021-03-28

Reviews are collected only for apps with detected changes (new entries or sharp risers).