Play each note through your microphone and get a full picture of your piano's tuning — key by key, with cent-level accuracy. Understand the health of your instrument before deciding what to do next.
Whether you're curious, cost-conscious, or considering a full tune-up — start here.
Play every note and build a full tuning curve. See which regions of your piano drifted and by exactly how much.
The tuning detector uses the YIN algorithm — same accuracy used in professional audio tools. Not just "sharp or flat" but exactly how much.
See your piano's health at a glance. Patterns reveal whether strings have slipped over time, been over-tuned, or need pitch restoration.
Save tuning sessions and compare them over time. Track how your piano drifts between tunings.
See transparent pricing for professional tuners near you. Understand the complexity before deciding to DIY or hire a pro.
Learn what tuning actually involves. We don't hide the complexity — we explain it so you can make an informed decision.
No software to install. Works in any modern browser.
Your browser will ask for microphone access. Audio is processed locally — nothing is sent to our servers.
The app guides you from A0 (the lowest key) to C8 (the highest), detecting each pitch as you play.
A tuning curve builds in real time, showing exactly how each note deviates from ideal equal temperament.
Minor drift? Now you know. Way off? See nearby professional tuners with transparent pricing — no surprises.
All pitch detection happens directly in your browser using the Web Audio API. We never record or transmit your audio. Only the tuning results (note name + cents deviation) are optionally saved to your account.
Try it free — no account neededProfessional piano tuning typically costs $100–$200 and takes 1–2 hours. If your piano is significantly out of tune or hasn't been tuned in years, a pitch raise may be needed first.
Explore expert piano tuning guides for cities across North America — climate factors, local advice, and more.
Browse City Guides