A reliable and precise tuner for your instruments - with chromatic detection, flexible display modes, and the Circle of Notes to tune by ear on Android, iOS, and Windows.

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Fine Tuner app preview showing the tuner interface

Fine Tuner - A Reliable and Precise Tuner for Your Instruments

Fine Tuner is a high-performance tuner that supports a wide range of instruments, with both standard and alternative tunings. From chromatic note detection to the interactive Circle of Notes, it gives musicians a precise and flexible way to tune visually or by ear.

Fine Tuner iOS interface showing precise tuning with frequency display and needle indicator

Detect or Select the Note

Use automatic detection for hands-free tuning, switch to manual selection when you want to target a specific note, or use chromatic mode for any pitch.
- Automatic and manual modes
- Chromatic note detection
Read the Tuning Clearly

Choose the visual feedback that fits the situation, from precise needle tuning to broader graphs and real-time spectrum analysis.
- Precision, graphical, and expanded views
- Real-time spectrum display
Tune by Ear

Use the Circle of Notes to play reference notes and chords, train your ear, and tune without relying only on visual feedback.
- Notes from octaves 1 to 7
- Major, minor, and other chords
Adapt the Tuner

Fine-tune the tuner itself with reference frequency, temperament, notation, accidentals, tolerance, and microphone gain settings.
- Reference frequency from 400 to 480 Hz
- Temperament, notation, and gain options