---
title: "Chordio: compose & learn music - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "Looking for a spark for your upcoming song?  Introducing Chordio, a powerful tool for composition and music theory that offers an enjoyable and interactive experience. This app allows you to explore c"
---

# Chordio: compose & learn music — United States
> A companion tool for musicians

![Chordio App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/71/11/1c/71111cee-ad21-442f-1a15-b58b686e0aa9/AppIcon-0-0-1x_U007emarketing-0-0-0-6-0-0-85-220.png/434x0w.png)

**Developer:** [One In A Billion](https://apptail.io/developer/one-in-a-billion-Fpl) (United Kingdom)
**Category:** Music
**Rating:** 4.4/5 (8 ratings)
**Price:** Free
**Bundle ID:** com.oneinabillion.chordmaster
**Store:** Apple App Store
**Country:** United States
**Version:** 3.1.7 (released 2026-07-04)
**Original Release:** 2022-08-04
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id1580214821)
**AppTail Page:** [https://apptail.io/app/chordio-compose-learn-music-lyxl/united-states](https://apptail.io/app/chordio-compose-learn-music-lyxl/united-states)

## Chordio Description
Looking for a spark for your upcoming song?

Introducing Chordio, a powerful tool for composition and music theory that offers an enjoyable and interactive experience. This app allows you to explore chords and scales in a fun and engaging way. It also provides a convenient platform for storing all your distinctive musical chord progressions in a single location. As a result, Chordio becomes an indispensable resource for contemporary music producers, composers, and educators.

Take your music theory knowledge to the next level and create innovative chord progressions for your latest composition. With a range of internal sounds included, you can explore the tool's features without needing any other external equipment.

Connect your MIDI controller to Chordio and see chord names appear on the Grand Staff in real-time as you play. Solo over chord progressions using the built-in sounds, and quickly rearrange or transpose chord progressions on the fly for added flexibility. 

Uncover fresh chord sequences for any genre - from hip hop to house and everything in between. Simply drag and drop them into your DAW!

Chordio empowers you to unleash your creativity and take your music to new heights.

The main features are divided into four workspaces:

Composition

• Build-in sequencer to create chord progressions.
• Build-in Chord progression generator.
• Create custom chords, edit existing chords, get chord inversions, and extended chords.
• Drag & Drop to change the song structure.
• Transpose the entire chord progression with a single tap.
• Create a playlist of custom chord progressions.
• Chord Suggestion AI – Get intelligent chord recommendations that fit your existing progression, and seamlessly integrate them into your composition.
• A Chord Types & Vocings panel helps you generate new chords.
• Play-along with a backing rhythm track.
• Save/load songs, export it as MIDl.
• Download chord progressions from a growing collection of Chord Packs.

Scales

• Practice scales with a metronome in all keys.
• Contains more than 40 scales you can work with.
• Staff view for chords and scales.

Modes

• Interactive way to learn what scales are associated with each mode.
• Practice modes in Chordio.
• Change tonic, mode, and layout to discover the relationship between musical notes, chords, and scales.

Music Theory

* In-app theory lessons.
• 3 New Music Theory Quizzes: Note Identification, Interval Recognition & Chord Identification.

Sheet Music

• Adjust the Tempo: Practice at your own speed.
• Loop Key Sections: Focus on tricky parts with ease.
• Practice Hands Separately: Work on left or right hand independently.
• Play in Any Key: Transpose sheet music to suit your preference.
• Customize Tracks: Adjust instrument volumes.
• Jazz Solo: Jam over chord progressions.
• Print Your Scores: Print a PDF version of the score for flexible, hands-on practice.

Lessons

• Learn to play songs at your own pace.  
• Download music from a growing collection of Lesson Packs.
• Lessons can be slowed down or pitch changed.


KEY FEATURES:

• MIDI keyboard support.
• Build progressions using the chord generators.
• Export MIDI to your DAW or sequencer.
• Custom chords, edit existing chords, get extended chords.
• Play internal sounds.
• Arpeggio, strum and performance modes.
• Mac version include a detachable resizable Grand Staff, Chord Display, and Keyboard Views.
• Customise the Keyboard highlight color.
• Select chord, to display a range of related scales and chords.
• Tap a note on the Grand Staff to highlight it with a color.
• Choose from selection of backing rhythms that fit specific genres.
• Chord Pattern playback

Always backup your chord progressions!

## Chordio Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/70/cb/92/70cb92b8-db58-c7a4-4ed8-00fc115b6aee/8e730f50-d8cd-43d8-8467-5136b3d77335_Group_11.png/2732x2048.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/75/b1/ad/75b1ad5b-8c3a-b16f-8e85-0d87bddc8f6a/4702224c-e84f-4e45-b538-ad74041a1df4_iPadOS_2@2x.png/2732x2048.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/5f/a2/e7/5fa2e7f6-6dcf-7cd2-8241-cabdf2abc58e/e0e12728-9da2-492d-b33b-919b393934f3_iPadOS_3@2x.png/2732x2048.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/36/12/3d/36123dc5-7443-f527-41c2-b569d7db77a6/dc0fb001-30af-49a0-8727-37adb8c10c5e_iPadOS_6@2x.png/2732x2048.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/70/10/5f/70105f8d-abf3-2f5b-45bf-f12e80abc59c/9f586aef-1441-4e52-8d5d-7976f82d8693_iPadOS_5@2x.png/2732x2048.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/69/43/c5/6943c5c6-a3d1-ddec-12d2-527f540f8c70/589cbe38-3818-4b99-bd4c-afe6f9fcb63b_iPadOS_4@2x.png/2732x2048.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/a0/d9/12/a0d912f0-fb8f-2f17-bb5f-213ee0f42387/a6a3d423-07d9-4a20-a887-c196078c2b95_iPadOS_7@2x.png/2732x2048.png)
- [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/46/c4/e4/46c4e4ed-5b6b-38e2-29ca-69554c9f132f/3505be34-7248-4713-81fd-ee8382adfdc0_iPadOS_8@2x.png/2732x2048.png)
- [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/95/8a/8c/958a8ce5-146b-7d50-09dc-3196fe5efaee/39d372b1-8975-448c-8ff7-32267ab6b552_iPadOS_9@2x.png/2732x2048.png)

## Chordio Rating Breakdown in United States
- 5 stars: 6 (75%)
- 4 stars: 0 (0%)
- 3 stars: 1 (13%)
- 2 stars: 1 (13%)
- 1 stars: 0 (0%)


## Chordio In-App Purchases
| Item | Price |
|------|-------|
| Unlock App | $9.99 |
| RnB Chords No.1 | $2.99 |
| Neo-Soul Tunes 01 | $1.99 |
| II-V-I Progression | $0.99 |
| RnB Progressions 01 | $1.99 |
| Jazz Progressions 01 | $1.99 |
| Classical Progressions 1 | $1.99 |
| Neo-Soul Progressions 01 | $1.99 |
| Chord Progressions 251 No.1 | $0.99 |


## Chordio Discovered Keywords
- learn music
- compose
- chordio

## Apps Similar to Chordio
- [DigiStix 2 AUv3 Plugin](https://apptail.io/app/digistix-2-auv3-plugin-MAz/united-states)
- [Negative Harmony - Simplified](https://apptail.io/app/negative-harmony-simplified-bzCc/united-states)
- [Pure Piano - Grand Piano App](https://apptail.io/app/pure-piano-grand-piano-app-vxgd/united-states)
- [Progressions](https://apptail.io/app/progressions-teNe/united-states)
- [Musicate](https://apptail.io/app/musicate-SXYe/united-states)
- [X Drummer: Songwriting Tool](https://apptail.io/app/x-drummer-songwriting-tool-mndl/united-states)
- [sequencism](https://apptail.io/app/sequencism-pndl/united-states)
- [Pianoteq 8](https://apptail.io/app/pianoteq-8-qwmm/united-states)
- [Chords Finder](https://apptail.io/app/chords-finder-oWQm/united-states)
- [AI Chord Finder: Guitar Tabs](https://apptail.io/app/ai-chord-finder-guitar-tabs-EzQn/united-states)

## Chordio Available In
- [United States](https://apptail.io/app/chordio-compose-learn-music-lyxl/united-states)
- [Germany](https://apptail.io/app/chordio-compose-learn-music-lyxl/germany)
- [Italy](https://apptail.io/app/chordio-compose-learn-music-lyxl/italy)
- [United Kingdom](https://apptail.io/app/chordio-compose-learn-music-lyxl/united-kingdom)
- [China](https://apptail.io/app/chordio-compose-learn-music-lyxl/china)
- [Denmark](https://apptail.io/app/chordio-compose-learn-music-lyxl/denmark)
- [Taiwan](https://apptail.io/app/chordio-compose-learn-music-lyxl/taiwan)
- [Canada](https://apptail.io/app/chordio-compose-learn-music-lyxl/canada)
- [India](https://apptail.io/app/chordio-compose-learn-music-lyxl/india)
- [Russia](https://apptail.io/app/chordio-compose-learn-music-lyxl/russia)
- [Netherlands](https://apptail.io/app/chordio-compose-learn-music-lyxl/netherlands)
- [Singapore](https://apptail.io/app/chordio-compose-learn-music-lyxl/singapore)
- [Spain](https://apptail.io/app/chordio-compose-learn-music-lyxl/spain)
- [Ecuador](https://apptail.io/app/chordio-compose-learn-music-lyxl/ecuador)
- [Egypt](https://apptail.io/app/chordio-compose-learn-music-lyxl/egypt)
- [Finland](https://apptail.io/app/chordio-compose-learn-music-lyxl/finland)
- [France](https://apptail.io/app/chordio-compose-learn-music-lyxl/france)
- [Greece](https://apptail.io/app/chordio-compose-learn-music-lyxl/greece)
- [Hong Kong SAR China](https://apptail.io/app/chordio-compose-learn-music-lyxl/hong-kong)
- [Hungary](https://apptail.io/app/chordio-compose-learn-music-lyxl/hungary)
- [Indonesia](https://apptail.io/app/chordio-compose-learn-music-lyxl/indonesia)
- [Ireland](https://apptail.io/app/chordio-compose-learn-music-lyxl/ireland)
- [Israel](https://apptail.io/app/chordio-compose-learn-music-lyxl/israel)
- [Iceland](https://apptail.io/app/chordio-compose-learn-music-lyxl/iceland)
- [Japan](https://apptail.io/app/chordio-compose-learn-music-lyxl/japan)
- [South Korea](https://apptail.io/app/chordio-compose-learn-music-lyxl/south-korea)
- [Kuwait](https://apptail.io/app/chordio-compose-learn-music-lyxl/kuwait)
- [Kazakhstan](https://apptail.io/app/chordio-compose-learn-music-lyxl/kazakhstan)
- [Lebanon](https://apptail.io/app/chordio-compose-learn-music-lyxl/lebanon)
- [Mexico](https://apptail.io/app/chordio-compose-learn-music-lyxl/mexico)
- [Malaysia](https://apptail.io/app/chordio-compose-learn-music-lyxl/malaysia)
- [Nigeria](https://apptail.io/app/chordio-compose-learn-music-lyxl/nigeria)
- [Norway](https://apptail.io/app/chordio-compose-learn-music-lyxl/norway)
- [New Zealand](https://apptail.io/app/chordio-compose-learn-music-lyxl/new-zealand)
- [Peru](https://apptail.io/app/chordio-compose-learn-music-lyxl/peru)
- [Philippines](https://apptail.io/app/chordio-compose-learn-music-lyxl/philippines)
- [Pakistan](https://apptail.io/app/chordio-compose-learn-music-lyxl/pakistan)
- [Poland](https://apptail.io/app/chordio-compose-learn-music-lyxl/poland)
- [Portugal](https://apptail.io/app/chordio-compose-learn-music-lyxl/portugal)
- [Romania](https://apptail.io/app/chordio-compose-learn-music-lyxl/romania)
- [Saudi Arabia](https://apptail.io/app/chordio-compose-learn-music-lyxl/saudi-arabia)
- [Sweden](https://apptail.io/app/chordio-compose-learn-music-lyxl/sweden)
- [Thailand](https://apptail.io/app/chordio-compose-learn-music-lyxl/thailand)
- [Türkiye](https://apptail.io/app/chordio-compose-learn-music-lyxl/turkey)
- [Ukraine](https://apptail.io/app/chordio-compose-learn-music-lyxl/ukraine)
- [Vietnam](https://apptail.io/app/chordio-compose-learn-music-lyxl/vietnam)
- [United Arab Emirates](https://apptail.io/app/chordio-compose-learn-music-lyxl/united-arab-emirates)
- [South Africa](https://apptail.io/app/chordio-compose-learn-music-lyxl/south-africa)
- [Argentina](https://apptail.io/app/chordio-compose-learn-music-lyxl/argentina)
- [Austria](https://apptail.io/app/chordio-compose-learn-music-lyxl/austria)
- [Australia](https://apptail.io/app/chordio-compose-learn-music-lyxl/australia)
- [Azerbaijan](https://apptail.io/app/chordio-compose-learn-music-lyxl/azerbaijan)
- [Belgium](https://apptail.io/app/chordio-compose-learn-music-lyxl/belgium)
- [Brazil](https://apptail.io/app/chordio-compose-learn-music-lyxl/brazil)
- [Belarus](https://apptail.io/app/chordio-compose-learn-music-lyxl/belarus)
- [Switzerland](https://apptail.io/app/chordio-compose-learn-music-lyxl/switzerland)
- [Chile](https://apptail.io/app/chordio-compose-learn-music-lyxl/chile)
- [Colombia](https://apptail.io/app/chordio-compose-learn-music-lyxl/colombia)
- [Czechia](https://apptail.io/app/chordio-compose-learn-music-lyxl/czechia)
- [Dominican Republic](https://apptail.io/app/chordio-compose-learn-music-lyxl/dominican-republic)

---

## About AppTail

[AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends.

- [Search Apps](https://apptail.io)
- [Top Charts](https://apptail.io/top-iphone-apps)
- [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer)

*Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*