oTuner - Guitar & Bass Tuner

oTuner is a simple tuner for iPhone and Apple Watch. Just play a note and see the note name and how far off you are, in big, clear type. It covers 12 instruments and 33 tunings, from guitar, bass and ukulele to violin and shamisen.

- TUNE FROM YOUR WRIST

oTuner runs standalone on Apple Watch, no iPhone needed. On stage or mid-practice with your hands full, just glance at your wrist. Launch it straight from a watch-face complication.

- NEEDLE AND STROBE

- Meter: the needle and color show at a glance whether you're sharp or flat - Strobe (Pro): the direction and speed of the moving stripes reveal drift too small for a needle to show When you're in tune, oTuner shows "In tune" and gives a haptic tap.

- AUTOMATIC STRING DETECTION

In guitar and bass tunings, oTuner detects which string you're playing. Tuned strings get a check mark, so you always know where you left off. Tap a string to lock onto it.

- INSTRUMENTS AND TUNINGS

- Chromatic (any note) - Guitar: Standard / Half Step Down / Whole Step Down / Drop D / Drop C# / Drop C / Open G / Open D / Open E / Open C / DADGAD - 7-String Guitar: Standard / Drop A - Bass: Standard / Half Step Down / Drop D - 5-String Bass: Standard / High C - Ukulele: Standard / Low G / D Tuning / Baritone - Violin / Viola / Cello / Double Bass (including solo tuning) - Mandolin - Banjo: Open G / Double C - Shamisen: Honchoshi / Niagari / Sansagari

- MAKE IT YOURS

- Reference pitch (A4) from 415 to 466 Hz (440 Hz, 442 Hz and more) - Note names as C D E or Do Re Mi - Haptic feedback on or off - Light, dark or system theme

- PRIVATE BY DESIGN

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