Piano Tuner

Piano Tuner AI is a precision piano-tuning tool built for pianists, technicians, and anyone who wants clear, real-time tuning feedback.
Use your phone’s microphone to analyze individual piano notes, track pitch in cents, and tune confidently with a responsive visual tuner designed around real piano behavior in Piano Tuner.
Key features:
- Real-time pitch detection with clear flat/sharp cent feedback
- Multi-string tuning support for unisons with 1, 2, or 3 strings
- Piano keyboard note selection with automatic key-selection modes
- Adjustable tuning scales: +/-100, +/-50, +/-25, +/-10 and +/-5 cents
- Optical strobe display driven by live pitch deviation
- Per-string tuning scales and live component tracking
- Inharmonicity measurement workflow for building a piano-specific tuning curve
- Stored inharmonicity partial data, offsets, amplitudes, confidence, and IH coefficient
- Pitch Raise feature for old instruments with lack of care :(
- Custom piano profiles with manufacturer, model, serial number, range, temperament, tuning style, and concert pitch
- Support for Equal Temperament and additional temperament detail charts
- Configurable partial selection for low-note tuning, with automatic selection from available harmonics
- Pitch-curve recording and review for measured notes
- (future plan)Optional Bluetooth connection to a compatible tuner motor device
- (future plan)Optional motor-assist workflow with controlled probe and correction steps
- Google sign-in and Firebase cloud synchronization for supported piano profiles and tuning data
- Instagram and Facebook login feature
- Local storage for reliable offline work

Piano Tuner AI processes live microphone audio on your device for tuning analysis. It does not upload microphone recordings.
Whether you are checking a single note, tuning a unison, recording inharmonicity data, or working with a compatible Bluetooth motor assistant, Piano Tuner AI keeps the tuning workflow focused, visual, and precise.

Purchases & access
• An internet connection and a signed-in account are required to verify access.
• "Lifetime" means for as long as Piano Tuner AI is offered, not for the life of the buyer. If the service is ever discontinued, lifetime owners keep offline use of the app.
• Purchases are billed by Google Play. Subscriptions renew until cancelled in Google Play.
Terms & Conditions: https://balazslapis.github.io/tunerai-privacy/terms/