---
title: "Theory Lessons - Reviews, Revenue and Downloads in Hong Kong SAR China | Apple App Store"
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 • Meas"
---

# Theory Lessons — Hong Kong SAR China

![Theory Lessons App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/5e/e0/92/5ee092ce-baa7-3908-7ffd-9fab3cb9151e/AppIcon-0-0-1x_U007emarketing-0-5-0-85-220.png/434x0w.png)

**Developer:** [musictheory.net](https://apptail.io/developer/musictheorynet-kKHb) (United States)
**Category:** Music
**Rating:** 4.0/5 (4 ratings)
**Price:** Free
**Bundle ID:** net.musictheory.TheoryLessons
**Store:** Apple App Store
**Country:** Hong Kong SAR China
**Version:** 3.2 (released 2025-05-17)
**Original Release:** 2012-01-17
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/hk/app/app/id493157418)
**AppTail Page:** [https://apptail.io/app/theory-lessons-GIZc/hong-kong](https://apptail.io/app/theory-lessons-GIZc/hong-kong)

## Theory Lessons 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

## Theory Lessons Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource124/v4/29/27/f3/2927f3f2-6cc0-8856-55b4-264adb995670/981c0b04-1780-4570-82f0-b8b3d67e32cc_Simulator_Screen_Shot_-_iPhone_6.5_-_iOS_13_-_2020-08-23_at_02.05.13.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource114/v4/46/b5/57/46b557b7-1d48-5203-7777-179cac632565/7c17c131-ead3-4c03-95a4-24af33036da3_Simulator_Screen_Shot_-_iPhone_6.5_-_iOS_13_-_2020-08-23_at_02.06.27.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource124/v4/20/32/99/20329950-acc9-a161-fc49-391af87885cb/0effbc7c-026f-4cd1-a848-c31309308588_Simulator_Screen_Shot_-_iPhone_6.5_-_iOS_13_-_2020-08-23_at_02.06.59.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource114/v4/a4/fd/9f/a4fd9ff5-2a6d-e5e7-d2ad-a861e43f1697/d87d18c1-b848-4281-9a7a-dbef6417761b_Simulator_Screen_Shot_-_iPhone_6.5_-_iOS_13_-_2020-08-23_at_02.07.41.png/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource124/v4/36/31/66/3631669c-b7fd-ac81-08a9-cd96a198177d/cf1fb5ff-15fa-447f-a819-ca004faa395c_Simulator_Screen_Shot_-_iPhone_6.5_-_iOS_13_-_2020-08-23_at_02.08.51.png/1242x2688.png)

## Theory Lessons Rating Breakdown in Hong Kong SAR China
- 5 stars: 2 (50%)
- 4 stars: 1 (25%)
- 3 stars: 0 (0%)
- 2 stars: 1 (25%)
- 1 stars: 0 (0%)

## Theory Lessons Reviews in Hong Kong SAR China

### ***** "Great animated app"
Very insightful and comprehensive content that I don’t see in other similar products and the internet.  Look forward to even more in-depth content in the near future!
-- Schwarz Crepsley, 2018-04-04

[View all Theory Lessons reviews and detailed analytics on AppTail](https://apptail.io/account/signup?utm_campaign=ai-crawl&utm_content=reviews)


## Theory Lessons Store Rankings
| Chart | Country | Category | Rank |
|-------|---------|----------|------|
| Top Paid | Singapore | Music | #5 |
| Top Paid | Nigeria | Music | #10 |
| Top Paid | United Kingdom | Music | #12 |
| Top Paid | France | Music | #13 |
| Top Paid | Israel | Music | #13 |
| Top Paid | United States | Music | #13 |
| Top Paid | Egypt | Music | #16 |
| Top Paid | South Africa | Music | #18 |
| Top Paid | Canada | Music | #20 |
| Top Paid | Lebanon | Music | #23 |
| Top Paid | Australia | Music | #27 |
| Top Paid | United Arab Emirates | Music | #33 |
| Top Paid | Sweden | Music | #35 |
| Top Paid | Vietnam | Music | #35 |
| Top Paid | Romania | Music | #38 |
| Top Paid | Malaysia | Music | #40 |
| Top Paid | Philippines | Music | #40 |
| Top Paid | Ireland | Music | #40 |
| Top Paid | Dominican Republic | Music | #41 |
| Top Paid | Kazakhstan | Music | #41 |
| Top Paid | Saudi Arabia | Music | #46 |
| Top Paid | Hong Kong SAR China | Music | #46 |
| Top Paid | Portugal | Music | #47 |
| Top Paid | New Zealand | Music | #48 |
| Top Paid | Germany | Music | #49 |
| Top Paid | Belarus | Music | #50 |
| Top Paid | Ukraine | Music | #51 |
| Top Paid | Kuwait | Music | #51 |
| Top Paid | Hungary | Music | #52 |
| Top Paid | Greece | Music | #56 |
| Top Paid | India | Music | #58 |
| Top Paid | Pakistan | Music | #61 |
| Top Paid | Peru | Music | #62 |
| Top Paid | Azerbaijan | Music | #63 |
| Top Paid | Türkiye | Music | #63 |
| Top Paid | Singapore | Overall | #64 |
| Top Paid | Finland | Music | #65 |
| Top Paid | Indonesia | Music | #65 |
| Top Paid | Czechia | Music | #69 |
| Top Paid | Norway | Music | #70 |
| Top Paid | Thailand | Music | #72 |
| Top Paid | Denmark | Music | #73 |
| Top Paid | Poland | Music | #74 |
| Top Paid | Chile | Music | #78 |
| Top Paid | Belgium | Music | #82 |
| Top Paid | Russia | Music | #93 |
| Top Paid | Ecuador | Music | #96 |
| Top Paid | Mexico | Music | #96 |
| Top Paid | Brazil | Music | #104 |
| Top Paid | Austria | Music | #110 |
| Top Paid | Netherlands | Music | #111 |
| Top Paid | Taiwan | Music | #114 |
| Top Paid | Israel | Overall | #114 |
| Top Paid | Spain | Music | #116 |
| Top Paid | Switzerland | Music | #121 |
| Top Paid | Argentina | Music | #134 |
| Top Paid | China | Music | #141 |
| Top Paid | Italy | Music | #145 |
| Top Paid | South Africa | Overall | #145 |
| Top Paid | Nigeria | Overall | #149 |
| Top Paid | United States | Overall | #156 |
| Top Paid | France | Overall | #164 |
| Top Paid | South Korea | Music | #173 |
| Top Paid | United Kingdom | Overall | #232 |
| Top Paid | Canada | Overall | #234 |
| Top Paid | Australia | Overall | #311 |
| Top Paid | Japan | Music | #371 |
| Top Paid | Sweden | Overall | #390 |
| Top Paid | Egypt | Overall | #439 |
| Top Paid | Lebanon | Overall | #447 |

## Theory Lessons Discovered Keywords
- music theory
- theory lessons

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## Theory Lessons Available In
- [United States](https://apptail.io/app/theory-lessons-GIZc/united-states)
- [Canada](https://apptail.io/app/theory-lessons-GIZc/canada)
- [China](https://apptail.io/app/theory-lessons-GIZc/china)
- [United Kingdom](https://apptail.io/app/theory-lessons-GIZc/united-kingdom)
- [Germany](https://apptail.io/app/theory-lessons-GIZc/germany)
- [Australia](https://apptail.io/app/theory-lessons-GIZc/australia)
- [Russia](https://apptail.io/app/theory-lessons-GIZc/russia)
- [Brazil](https://apptail.io/app/theory-lessons-GIZc/brazil)
- [India](https://apptail.io/app/theory-lessons-GIZc/india)
- [Türkiye](https://apptail.io/app/theory-lessons-GIZc/turkey)
- [France](https://apptail.io/app/theory-lessons-GIZc/france)
- [Hungary](https://apptail.io/app/theory-lessons-GIZc/hungary)
- [Hong Kong SAR China](https://apptail.io/app/theory-lessons-GIZc/hong-kong)
- [South Africa](https://apptail.io/app/theory-lessons-GIZc/south-africa)
- [Thailand](https://apptail.io/app/theory-lessons-GIZc/thailand)
- [Switzerland](https://apptail.io/app/theory-lessons-GIZc/switzerland)
- [New Zealand](https://apptail.io/app/theory-lessons-GIZc/new-zealand)
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- [Czechia](https://apptail.io/app/theory-lessons-GIZc/czechia)
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- [Singapore](https://apptail.io/app/theory-lessons-GIZc/singapore)
- [Austria](https://apptail.io/app/theory-lessons-GIZc/austria)
- [Belgium](https://apptail.io/app/theory-lessons-GIZc/belgium)
- [Belarus](https://apptail.io/app/theory-lessons-GIZc/belarus)
- [Spain](https://apptail.io/app/theory-lessons-GIZc/spain)
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- [Saudi Arabia](https://apptail.io/app/theory-lessons-GIZc/saudi-arabia)
- [Vietnam](https://apptail.io/app/theory-lessons-GIZc/vietnam)
- [Finland](https://apptail.io/app/theory-lessons-GIZc/finland)
- [Egypt](https://apptail.io/app/theory-lessons-GIZc/egypt)
- [Ecuador](https://apptail.io/app/theory-lessons-GIZc/ecuador)
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- [Indonesia](https://apptail.io/app/theory-lessons-GIZc/indonesia)
- [Slovakia](https://apptail.io/app/theory-lessons-GIZc/slovakia)
- [Azerbaijan](https://apptail.io/app/theory-lessons-GIZc/azerbaijan)
- [Jamaica](https://apptail.io/app/theory-lessons-GIZc/jamaica)
- [Jordan](https://apptail.io/app/theory-lessons-GIZc/jordan)
- [Kazakhstan](https://apptail.io/app/theory-lessons-GIZc/kazakhstan)
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- [Nigeria](https://apptail.io/app/theory-lessons-GIZc/nigeria)
- [Nepal](https://apptail.io/app/theory-lessons-GIZc/nepal)
- [Chile](https://apptail.io/app/theory-lessons-GIZc/chile)

---

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