
Free
Rating summary
About
BumbleBee Tuner is a precision instrument tuner with a real strobe display and a fully standalone Apple Watch app. Built for musicians who care about accuracy — and about not fighting their tuner.
ROCK-STEADY TRACKING
A time-domain YIN pitch engine with octave-error protection, confidence gating, and adaptive smoothingen your note is steady and snaps to attention when you turn a peg. No jitter, no octave flicker, noguessing.
A REAL STROBE
The strobe view drifts while you're off pitch — yellow when flat, orange when sharp — and settles greeThe same phase-integration technique used by professional bench strobes.
STANDALONE APPLE WATCH TUNER
The Watch runs its own pitch detection — no iPhone required. Raise your wrist, play a note, and feel the haptic tap the moment you lock in. Turn the Digital Crown to boost mic sensitivity when your instrument is at arm's length. An
Always-On display mode keeps the readout visible mid-tuning.
CHROMATIC + PRESET MODES
Free chromatic tuning, or pick your instrument and tap a string on the honeycomb selector: play it, tune it, feel the buzz, move on.
7 INSTRUMENTS, 17 TUNINGS
Guitar: Standard, Drop D, Half Step Down, Full Step Down, Open G, Open D, Open E, Double Drop D, DADGA 5-String. Plus Ukulele, Mandolin, Violin, Cello, and Banjo (Open G).
FEATURES
- Strobe and needle-bar display modes
- Reference pitch A4 = 432–444 Hz
- Live cents readout with pitch-trail sparkline
- Haptic confirmation when in tune (iPhone + Watch)
- Adjustable mic sensitivity (slider on iPhone, Digital Crown on Watch)
- Warm honeycomb dark interface — no ads, no subscriptions, no accounts
PRIVACY
BumbleBee Tuner uses your microphone only to detect pitch. Audio is processed on-device in real time and is never recorded, stored, or transmitted. No analytics, no tracking, nothing collected.
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What's New in BumbleBee Tuner
1.0
October 1, 2026




