Music Companion - many musical tools in single app logo

Music Companion - many musical tools in single app for Android

By PG App Studio Free

Developer's Description

Music theory is very important while composing a song. This music theory helper app is for all the enthusiasts who are interested in studying scales, chords, alternate chords, circle of fifths etc and apply them in their compositions. Music Companion is a quick reference for scales and chords useful for the musicians and composers for finding out new chord progressions while songwriting.

Please, contact us if you find any problems with the app, or you want to suggest new features or want to give us feedback!


Scales 60+ heptatonic scales and modes are available

Chords chord library that also sows how chords are formed

Circle of fifths for all the available scales

Matching Chords shows alternate chords for any key in a scale

Scale Practice pitch detector with reference scales

Intervals ear training of intervals for all notes

Metronome with perfect timing and different sound packs

Symbols quick online handy reference to the musical symbols

Reference huge collection of online music theory references

Left-handed & right-handed realistic guitar fret board

Advanced and simple note display format for scales

Support for both sharp (#) and flat (b) notes for root

Clockwise and anticlockwise circle of fifth direction

Option to show triads and 7th chords in circle of fifth

Play chords in sync with the metronome ticks


This app can be used for following purposes:

Music Composing This app can be used as a music composing app by the music composers. It can help finding out chords that can be applied on any scale or mode.

Music Theory study This music theory app can be used to study scales and chords for many available scales and modes. This app contains many music theory articles and this app can be used as a music theory free book.

Circle of Fifth The Circle of fifth for the available scales and modes with triad and seventh chords. This is the most commonly used musical tool.

Chord Finder For the available scales and modes what all chords are possible can be found.

Chord Progressions Using the Circle of Fifths tool, chord progressions can be derived for the available scales and modes.

Guitar Chord / Piano Chords All available chords are displayed for guitar and piano keyboard.

Vocal training for singers using the Scale Practice tool.

Ear training for the musicians using the Intervals tool. Ear tuning is as important as learning scales or chords.

Scales and Chords Wide list of scales for guitar, piano, vocal use are available in this app.

Metronome beats for guitar, Drum set, Piano, vocal practices. The metronome in this app is very accurate in maintaining timing.


Please join the app community for discussions and connecting directly with the developers.

Full Specifications

What's new in version 2.1.1


Release May 17, 2020
Date Added May 17, 2020
Version 2.1.1

Operating Systems

Operating Systems Android
Additional Requirements Requires Android 6.0 and up


Total Downloads 0
Downloads Last Week 0
Report Software

Related Apps

YouTube Music logo

YouTube Music

YouTube Music
Google Play Music logo

Google Play Music

Google Play Music
Spotify: Listen to new music and play podcasts logo

Spotify: Listen to new music and play podcasts

Spotify: Listen to new music and play podcasts
Pandora Music logo

Pandora Music

Pandora Music
Promo image for CNET Shopping

Get the best price on everything

Shop your favorite products and we’ll find the best deal with a single click. Designed to make shopping easier.