Music Theory Companion on Windows Pc
Developed By: PG App Studio
License: Free
Rating: 4,4/5 - 2.527 votes
Last Updated: August 05, 2026
App Details
| Version |
8.1.1 |
| Size |
16 MB |
| Release Date |
January 28, 26 |
| Category |
Education Apps |
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App Permissions:
Allows applications to open network sockets. [see more (4)]
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What's New:
✓ Increased the interval before showing the first full-screen ad✓ Enhanced chord playback in piano Chord Pad✓ Improved pitch detection✓ Improved piano user... [see more]
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Description from Developer:
Unlock your musical potential with the Music Theory Companion app! This comprehensive tool is designed for musicians of all levels, from beginners to experienced composers. Whether... [read more]
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About this app
On this page you can download Music Theory Companion and install on Windows PC. Music Theory Companion is free Education app, developed by PG App Studio. Latest version of Music Theory Companion is 8.1.1, was released on 2026-01-28 (updated on 2026-08-05). Estimated number of the downloads is more than 500,000. Overall rating of Music Theory Companion is 4,4. Generally most of the top apps on Android Store have rating of 4+. This app had been rated by 2,527 users, 1,914 users had rated it 5*, 222 users had rated it 1*.
How to install Music Theory Companion on Windows?
Instruction on how to install Music Theory Companion on Windows 10 Windows 11 PC & Laptop
In this post, I am going to show you how to install Music Theory Companion on Windows PC by using Android App Player such as BlueStacks, LDPlayer, Nox, KOPlayer, ...
Before you start, you will need to download the APK/XAPK installer file, you can find download button on top of this page. Save it to easy-to-find location.
[Note] You can also download older versions of this app on bottom of this page.
Below you will find a detailed step-by-step guide, but I want to give you a fast overview of how it works. All you need is an emulator that will emulate an Android device on your Windows PC and then you can install applications and use it - you see you're playing it on Android, but this runs not on a smartphone or tablet, it runs on a PC.
If this doesn't work on your PC, or you cannot install, comment here and we will help you!
Step By Step Guide To Install Music Theory Companion using BlueStacks
- Download and Install BlueStacks at: https://www.bluestacks.com. The installation procedure is quite simple. After successful installation, open the Bluestacks emulator. It may take some time to load the Bluestacks app initially. Once it is opened, you should be able to see the Home screen of Bluestacks.
- Open the APK/XAPK file: Double-click the APK/XAPK file to launch BlueStacks and install the application. If your APK/XAPK file doesn't automatically open BlueStacks, right-click on it and select Open with... Browse to the BlueStacks. You can also drag-and-drop the APK/XAPK file onto the BlueStacks home screen
- Once installed, click "Music Theory Companion" icon on the home screen to start using, it'll work like a charm :D
[Note 1] For better performance and compatibility, choose BlueStacks 5 Nougat 64-bit read more
[Note 2] about Bluetooth: At the moment, support for Bluetooth is not available on BlueStacks. Hence, apps that require control of Bluetooth may not work on BlueStacks.
How to install Music Theory Companion on Windows PC using NoxPlayer
- Download & Install NoxPlayer at: https://www.bignox.com. The installation is easy to carry out.
- Drag the APK/XAPK file to the NoxPlayer interface and drop it to install
- The installation process will take place quickly. After successful installation, you can find "Music Theory Companion" on the home screen of NoxPlayer, just click to open it.
Discussion
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Unlock your musical potential with the Music Theory Companion app! This comprehensive tool is designed for musicians of all levels, from beginners to experienced composers. Whether you're into songwriting, music theory study, or want to improve your playing, this app is a goldmine. This app helps you develop your aural skills and relative pitch. It can help with improvisation, composition, arrangement, and interpretation.
🌟 KEY FEATURES:
✅ Scales & Chords: Explore 86 unique heptatonic scales/modes and their diatonic triads/seventh-chord formations. The app has a wide list of scales for guitar, piano and vocal.
✅ Matching Chords: Discover alternative chords for any note in any scale.
✅ Matching Scales: Find alternative scales that can be played with any given scale.
✅ Circle of Fifths: Visualize the circle of fifths for all 86 scales, with options for triads and seventh chords. The circle of fifths tool can be used for finding chord progressions. The app supports both clockwise and anticlockwise directions for the circle of fifths.
✅ Voice Leading: Use the Cube Dance tool for voice leading guidance based on Neo-Riemannian theory.
✅ Chord Library Access a library of 1000+ chords, with chord construction details. This can be used as a chord finder.
✅ Modulations: Explore various chord progression options for smooth key changes.
✅ Scale Practice: Use the pitch detector to practice scales on guitar, piano, or vocals. This app can also be used for vocal training and helps with ear tuning.
✅ Intervals: Train your ear with interval exercises in all keys.
✅ Metronome: Practice with a highly accurate metronome that has configurable sounds. The metronome can be used with guitar, drum set, piano, and vocal practices.
✅ Piano: A realistic piano keyboard with different instrument sounds. This can be used as a piano chords learning app.
✅ Guitar Fretboard: Realistic left-handed and right-handed guitar fretboard display. The app is also a guitar chords app.
✅ Musical Symbols: Quick online reference for musical symbols.
✅ Music Theory Reference: Access a vast collection of online music theory resources, making it a great free music theory book.
✅ Supports both sharp (#) and flat (b) notes for root.
✅ Play guitar chords or piano chords in sync with the metronome ticks.
✅ Has a simple and easy-to-use user interface.
✅ Provides analytical labels such as Secondary Dominant and Secondary Leading-Tone.
✅ Shows compatible scales' chords.
✅ Displays similar and relative scales.
✅ Shows common degrees: Tonic, Supertonic, Mediant, Subdominant, Dominant, Submediant, Leading tone (in Major scale) / Subtonic (in Natural Minor Scale)
✅ Displays compatible chords' scales.
✅ Shows chords and scales on the staff with treble and bass clef.
🎯 APP USAGE:
This app is a complete toolbox for musicians and can be used for:
✅ Music Composing
✅ Music Theory Study
✅ Chord Progressions
✅ Modulation and Key Change
✅ Voice Leading
✅ Guitar and Piano Chord Practice
✅ Vocal Training
✅ Ear Training
✅ Sight reading
🎼 Designed for:
🎹 Pianists & keyboard players
🎶 Musicians, composers, and songwriters
🧠 Music theory learners & teachers
🎓 Students preparing for music exams
🎧 Anyone who loves creating music
The Music Theory Companion app has a realistic piano keyboard and guitar fretboard. It also has a pitch detector.
This app is continuously updated and improved.
COMMUNITY
Follow us on Facebook
https://www.facebook.com/MusicCompanionApp/
Join Our Facebook Group
https://www.facebook.com/groups/MusicCompanionGroup/
Visit Our Website
https://www.pgappstudio.com
Check our YouTube Channel
https://www.youtube.com/@PGAppStudio
Contact Customer Support
pgappstudio@gmail.com
✓ Increased the interval before showing the first full-screen ad
✓ Enhanced chord playback in piano Chord Pad
✓ Improved pitch detection
✓ Improved piano user interface
Allows applications to open network sockets.
Allows applications to access information about networks.
Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.
Allows an application to record audio.
