
BumbleBee Tuner
Strobe tuner with Watch app
About
This precision instrument tuner offers a real strobe display and a standalone Apple Watch app for musicians. It features rock-steady tracking with a time-domain YIN pitch engine and haptic feedback for accurate tuning.
What's New in BumbleBee Tuner
1.0.1
October 10, 2026
- iPhone now buzzes when you land in tune (the haptic was silenced while the mic was open) - Low bass notes show the right note name; name and cents always agree - Apple Watch: named BumbleBee Tuner, stays on screen with your wrist down (Always On) - More reliable microphone handling around phone calls and interruptions
MoreDeveloper apps
FAQ
Does BumbleBee Tuner have ads?
No, BumbleBee Tuner is ad-free. The app description explicitly states 'no ads, no subscriptions, no accounts', ensuring an uninterrupted tuning experience.
What instruments can I tune with BumbleBee Tuner?
BumbleBee Tuner supports tuning for guitar, bass, ukulele, mandolin, violin, cello, and banjo. It offers multiple tunings for guitar and bass, including standard, Drop D, and DADGAD for guitar.
How accurate is BumbleBee Tuner?
The app boasts 'rock-steady tracking' with a time-domain YIN pitch engine and a real strobe display that settles green when in tune. It also provides a live cents readout for precise adjustments.
Can I use BumbleBee Tuner without my iPhone?
Yes, the Apple Watch app is fully standalone. It runs its own pitch detection, allowing you to tune your instrument by simply raising your wrist and playing a note.
What is the haptic feedback in BumbleBee Tuner?
BumbleBee Tuner provides haptic confirmation on both iPhone and Apple Watch when your instrument is in tune. This tactile feedback helps you lock in your pitch quickly and efficiently.
How does BumbleBee Tuner handle privacy?
BumbleBee Tuner uses your microphone solely for pitch detection, processing audio on-device in real time. No audio is ever recorded, stored, or transmitted, and the app collects no analytics or tracking data.
What is the reference pitch for BumbleBee Tuner?
The reference pitch A4 can be adjusted between 432–444 Hz. This allows for flexibility in tuning to different concert pitches or historical temperaments.
Is BumbleBee Tuner available on other devices besides Apple Watch and iPhone?
Based on the provided data, BumbleBee Tuner is supported on Apple Watch, iPhone, and iPad. There is no mention of compatibility with Android devices or other operating systems.




