Play in Any Key
Chord Progressions in Any Key
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Chord progressions, made simple. Compare progressions in all 24 major and minor keys with a tap, and find your favorite chord progression × key combination.
Chord progressions, made simple.
Listen to a variety of chord progressions in different keys.
Find your favorite combination of chord progression and key.
“What would this progression sound like in another key?”
“I want to hear it in a key that’s difficult for me to play.”
Play in Any Key lets you easily listen to popular chord progressions in all 24 major and minor keys.
Beyond simply listening, you can build your own progressions by choosing chords that work well together, or combine chord progressions for verses, pre-choruses, and choruses to create the flow of a song.
【What You Can Do】
• Choose from popular chord progressions and play them instantly
• Compare chord progressions across all 24 major and minor keys
• Add bass, rhythm, and drums to explore different sounds
• Play the diatonic chords of each key one by one
• See the notes currently being played on the keyboard
• Combine chord progressions to create your own progression
• Use “Easy Composition” to combine verse, pre-chorus, and chorus sections
• View chords on both staff notation and a keyboard
Perfect for exploring different chord progressions and discovering the sounds and keys you like.
Connect progressions, experiment with song structures, and use what you discover as inspiration for songwriting, accompaniment, and learning chords.
【In-App Purchase】
Chord progressions in C major and chords with C as the root in the Chord Library are available for free.
All other keys can be unlocked with a one-time in-app purchase.
Once purchased, you can enjoy chord progressions and chord references in all 24 major and minor keys.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• Reorganized the chord progression section into four screens: Diatonic, Chord Progressions, Connect, and Compose.
• Notes currently being played are now shown as dots on the keyboard. In Chord Progressions, you can also see the actual chord inversions being played.
• Added chord suggestions to Connect. Choose from “Standard” or “Variation” suggestions to build your progression one chord at a time.
• Added Easy Compose. Choose a song structure pack, combine your favorite chord progressions for the Verse, Pre-Chorus, and Chorus, and play the whole song structure continuously.
• Improved the layout of your work-in-progress chord progression and the progression selection screen for better readability.
The developer, Mami Kawai, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Mami Kawai
- Size
- 61.6 MB
- Category
- Music
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Unlock All Keys $0.99
- Copyright
- © 2026 Mami Kawai