Find every chord in every key — in seconds.

Chordii shows you exactly what to play.
No apps. No guessing. Just spin and play with confidence.

★★★★★

"Now I don’t have to guess what chord to play… it’s a cheat code."
Matt J.Guitarist

Band calls out "4 minor"... now what?

No freezing. No guessing. Just play.

★★★★★

“A lifesaver in those ‘oh crap’ moments.”
Eric K.Bassist

Ready when the moment changes

  • Find chords instantly in any key
  • Stay locked in when the key changes
  • Play with confidence on the fly
  • Know what you’re playing without overthinking

★★★★★

“I was writing everything out… now I can just have this little wheel and play with confidence.”
Brenda W.Worship Team Member

Trusted by worship teams and musicians every week

What do you play in the in-between moments?

Build a back pocket of simple progressions you can use in any key
"One of the best keys tools of the year.” — Sunday Sounds

Watch how it actually works ↓

Everything you need. Nothing you don’t.

  • Find the right chords in any key
  • Transpose on the fly when things change
  • See how chords connect and move
  • Always have something to play

★★★★★

 “Chordii makes music theory less intimidating and easier to understand.”
Stephanie H.Worship Director

Find your fit

Start with the core. Add more when you're ready.
Chordii — Nashville
Chordii — Nashville
Chordii — Nashville
Chordii — Nashville
1 - 4

Most players start here

Nashville

See every chord in every key—and understand how it all connects.
If you’re not sure—start here.

  • Find chords instantly in any key
  • Transpose instantly when the key changes
  • Built-in progressions + mood ideas on the back
View product details
$18.00
Chordii — Progressions
Chordii — Progressions
Chordii — Progressions
Chordii — Progressions
1 - 4

For songwriters & creators

Progressions

Create your own chord progressions from scratch—without getting stuck.
Goes beyond the presets on Nashville—build your own from scratch.

  • Build progressions step-by-step
  • Feel how chords move and resolve
  • Includes 5 borrowed chords for sounds outside the key
View product details
$29.00

How they work together:

Nashville shows you the chords.

Progressions helps you turn them into something musical.

Made for real musicians

Worship Teams

Play by numbers without missing a beat.

Songwriters

Break out of the same 4 chords.

Beginners

Finally understand how keys work

Teachers

Make theory click instantly

★★★★★

“We purchased Chordii for our entire worship team… incredibly helpful.”
Bradley L.Associate Worship Pastor

Never run out of something to play

★★★★★

“I was able to write a cool, moody riff immediately.”
Brody D.Guitarist

“The ultimate cheat code I’ve been looking for.”
Matt J.★★★★★

“Simple, intuitive, and just makes sense.”
Stephanie H.★★★★★

“Beginner or pro—everyone should have one.”
MIchael H.★★★★★

“Helps me get out of a rut and try something new.”
Robert B.★★★★★

“Perfect tool for helping students understand theory.”
Adam W.★★★★★

$18 to stop second-guessing what you play

Start with Nashville.
Add Progressions when you’re ready.

Throw it in your case.
Use it every week.
Keep it forever.
 
 

★★★★★

“Simple. Powerful. Exactly what it should be.”
Stephen T.

Frequently Asked

No. You’ll start using it in minutes—and it grows with you.

Nashville shows you what chords are in a key. Progressions helps you decide what to play next.

No. Most people start with Nashville.
Add Progressions when you’re ready to build your own progressions or write songs.

If you’re just getting started, the Major version will take you a long way.

Add Minor when you want more depth, different moods, and a fuller picture of how chords connect.

Yes. Pick the key you’re in, then spin to the new key and see the chords instantly.

Guitar, piano, bass—anything. If you play chords, it works.

Yes. It’s especially helpful for learning and playing with the number system, transitions, and on-the-fly changes.