Put in one AirPod so you can hear me play while I listen to you.
I grade every string through your phone's mic.
🎵SONGS
✋CHORDS
🎯TUNER
🔥YOU
Enable the mic above and I'll start listening.
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— Hz
Play a string — the needle turns white and centres when you're in tune. Tap a name below to hear the reference pitch.
C
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white = ringing · red = dead string · faded = muted on purpose
Strum and let it ring.
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1SHAPES
2CHANGES
3STRUM
4PLAY
Step 1 · Learn the shapes
4
C
next: Am
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Bar–
Accuracy–
Streak0
Timing–
Tempo65 bpm · 100%
SectionStrum pattern
🎛 Practice tools
Turn these on once the chords feel comfortable.
Play-along strums the song with you ·
Call & response plays a bar then hands it to you ·
Speed nudges the tempo up each time you nail a section.
🎧 Mix & microphone
Guitar
Click
Mic
On AirPods, pick iPhone Microphone here — if iOS uses the AirPods mic it
drops into call mode and playback goes tinny. Check for bleed plays a chord
and tells you whether the mic can hear me; if it can, I'd be grading my guitar instead of yours.
Streak0
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Best cpm–
TODAY'S PLAN · 0/4
ONE-MINUTE CHANGE TEST
The drill that actually builds speed: switch between two chords
as many times as you can in 60 seconds. I only count changes I can hear cleanly.
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Changes0
Time left60.0s
60 clean changes in a minute is the benchmark. Go.
CHORD MASTERY · weakest first
SONGS
Built by Ashley 🌸 · note-level polyphonic detection with harmonic subtraction, guitar tone via Karplus-Strong.
Wear headphones when play-along is on. Strings playing the same note in two
octaves (the two C's in a C chord) can't be told apart — those show dimmed.
🔄
Turn your phone sideways
The note highway needs the long edge. Prop the phone up in front of you —
and take the case off if the mic sounds muffled.