ChordLoop vs Play in Any Key

ChordLoop is the fastest way to find your next chord progression. Pick a key, tap a chord, and hear it instantly. Stack chords into a progression, loop it at any tempo, and let the ideas flow. Whether you're writing a song, learning theory, or just noodling on the couch, ChordLoop turns "what sounds good next?" into a few taps. WHAT YOU CAN DO • Play every chord in any key — major and minor, with the music theory built in and correct • Hear real sound generated right on your device — nothing to download, works fully offline • Flip on 7th chords for a richer, jazzier feel • Loop your progression at any tempo and hear it come to life • Start from classic progressions — pop, 50s, ballad, and more • Save the progressions you love • Share a progression with a single tap CHORDLOOP PRO — one-time $3.99 unlock • Export any progression to MIDI and drop it into GarageBand, Logic, or any DAW • Drum grooves that turn your progression into a real track • Six more instruments — Organ, Nylon Guitar, Synth, Strings, Music Box, and Marimba Built for songwriters, producers, guitarists, pianists, ukulele players, and anyone learning music. No account. No ads. No subscription — the full songwriting core is free, and Pro is a single one-time purchase.

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.