EVERY STRING. YOUR SOUND.
Play a string. Find your pitch.
A simple tuner for
17 string instruments.
Every feature in one app. No ads. No account required.
01 — MADE FOR YOUR PRACTICE
Choose your instrument and play a string.
Everything you need for daily practice,
all in one app.
See your pitch in real time.
Frequency in Hz, pitch deviation in cents,
and a clear meter guide you to the target.
Stabilized readings help reduce interference from harmonics and momentary fluctuations.
Auto identifies the string you are playing.
Manual locks onto the string you select.
Switch modes to suit your surroundings.
Set the A4 reference pitch from 410.0 to 480.0 Hz.
Fine-tune in 0.1 Hz steps or enter a value.
Target frequencies update for every string.
01A guided tutorial to get you started
02Available in 8 languages
03Phones and tablets, portrait and landscape
SPEAKS YOUR LANGUAGE
The app supports Japanese, English, French, Italian, German, Spanish, Polish, and Portuguese. Change the app language in Settings.
02 — ONE TUNER, MANY STRINGS
VIOLIN
VIOLA
CELLO
DOUBLE BASS
ACOUSTIC GUITAR
ELECTRIC GUITAR
CLASSICAL GUITAR
7-STRING GUITAR
4-STRING BASS
5-STRING BASS
6-STRING BASS
SOPRANO UKULELE
CONCERT UKULELE
TENOR UKULELE
BARITONE UKULELE
MANDOLIN
BANJO
Select your instrument to start with its standard tuning.
03 — YOUR TUNER, YOUR STYLE
Warm, crisp, or minimal.
A different look. The same complete feature set.
Choose from three themes.
01Instrument3 THEMES, ONE APP
Screenshots show the Japanese app interface. The app supports all eight languages listed above.
JUST YOU AND YOUR SOUND
All tuning happens on your device.
The microphone is used only to measure pitch. Audio is never recorded, saved, or uploaded, and no tuning history is stored.
No connection or account needed. At home, in the studio, or backstage—tune wherever you play.
Privacy Policy04 — MORE POSSIBILITIES
Standard and alternate tunings.
Everything you need to tune,
all in one app.
Stay focused on your sound, in practice or with an ensemble.
Tuning presets and custom tunings are included in the app.
All features are included: standard tunings, real-time pitch detection, Auto and Manual modes, reference pitch adjustment, three themes, tuning presets, custom tunings, and the chromatic tuner.
No. The tuner works offline. Audio analysis runs entirely on your device, so tuning requires neither an internet connection nor an account.
No. The microphone is used only to measure pitch. The app does not record, save, or upload audio, or store a tuning history. For details, see the Privacy Policy.
Yes. The A4 reference pitch defaults to 440.0 Hz and can be set anywhere from 410.0 to 480.0 Hz. Adjust it in 1 Hz or 0.1 Hz steps, enter a value directly, or reset it to 440 Hz. All target frequencies are recalculated automatically.
Yes. Create a custom tuning by giving it a name and setting the note and octave for each string. Save as many as you like, then edit, delete, or reorder them whenever you need.
EVERY STRING. YOUR SOUND.