GuitarTune
Professional Instrument Tuner
Precision Tuning
GuitarTune uses advanced on-device audio analysis to detect your instrument's pitch in real-time. No cloud processing. No internet required. Just accurate, instant tuning wherever you play.
On-Device Processing
All pitch detection runs entirely on your iPhone using AVAudioEngine. Your audio is analyzed in real-time and never recorded, stored, or transmitted. Complete privacy with zero latency.
Features
Real-Time Pitch Detection
Advanced audio analysis detects your instrument's pitch instantly. See exactly how sharp or flat you are with precise cent-level accuracy.
5 Instruments Supported
Guitar, Bass, Ukulele, Violin, and Mandolin with standard tuning presets. Switch between instruments with a single tap.
Visual Feedback
Beautiful circular indicator and needle gauge show your tuning accuracy in real-time. Green means you're perfectly in tune.
Adjustable Sensitivity
Customize the tuning threshold from +/-1 cent to +/-10 cents to match your precision needs, from casual practice to professional performance.
Haptic Feedback
Feel a satisfying tap when you hit the right note. Your iPhone provides tactile confirmation so you can focus on your instrument.
Works Offline
No internet connection required. All pitch detection happens on-device for instant response and complete reliability anywhere.
Perfect For
GuitarTune is designed for musicians of all levels, from beginners learning their first chords to professionals tuning up before a gig.
One-Time Purchase
Free
- • Basic tuning
- • 5 instruments
- • Visual feedback
- • Works offline
Full Version - $2.99
- • All free features
- • Adjustable sensitivity
- • Haptic feedback
- • One-time purchase, no subscription
Tune with Confidence. Completely Private.
Requires iOS 17.0 or later. Works completely offline.