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Strum Hero

Challenge-only, mobile-first chord lane. Tap start, wait for the countdown, and hit each chord right as it crosses the beat line.

Live mic input Standard tuning focused Maj / min / 7th / sus / dim aware

Built for phones—everything you need in one tap.

Mic Idle Status Idle Difficulty Med 92 BPM Target –
0
0
Ready
Beat
Tap start to begin. Hit the displayed chord as it crosses the line.
—
Confidence: 0%
Waiting for input…
Last lock: – waiting for first chord

Mic idle. Tap “Start challenge” to grant permission.

Input tips
Use a dry tone (no distortion/heavy reverb) Strum once and let it ring Stay between open E2 and high E4 Limit background noise