MAD Tuner

Less on your screen. More focus on your sound. MAD Tuner is a chromatic tuner with a clear analog-style dial and a responsive needle. See your pitch at a glance, follow each adjustment, and get back to playing. Designed in Italy with a simple idea: every detail should help you tune. SEE WHERE YOUR NOTE STANDS Automatic note detection, a readable needle, and color feedback show whether your note is flat, sharp, or in tune. FIND YOUR RESPONSE Choose a more reactive or steadier needle movement. Adjust sensitivity and tuning tolerance to suit your playing. SET YOUR REFERENCE Change the A4 reference frequency to match your ensemble or practice session. View pitch deviation in cents or hertz, and choose your preferred note notation and temperament. TURN YOUR PHONE. KEEP YOUR FOCUS. Use MAD Tuner in portrait or landscape, with an uncluttered interface that keeps the tuning display at the center of the experience. TRY EVERYTHING FOR 7 DAYS Download the app and start the free trial to explore every feature for seven days. After the trial, a single in-app purchase permanently unlocks the tuner. If you choose not to purchase, access to the tuner ends when the trial expires. No subscription. No automatic renewal. No automatic charge after the trial. Restore your lifetime purchase using Restore Purchases. No ads. No account required. Available in English, Italian, French, German, Spanish, Japanese, Chinese, Korean, and Polish. Your instrument. Your sound. In tune.