iTuner Pro

Tune faster on iPhone and Apple Watch with real-time pitch detection and instrument presets. On iPhone, use the built-in metronome and tuning fork.

iTuner Pro is a clean, accurate tuning toolkit for musicians who want fast feedback and a focused practice experience.

Use your iPhone or Apple Watch microphone to detect pitch in real time, view the current note, frequency, and tuning deviation, and quickly bring your instrument into tune. On iPhone, use the built-in metronome to keep time and the tuning fork to play a precise reference tone.

Key Features

• Real-time pitch detection through the microphone
• Clear note, frequency, and cents deviation display
• Automatic or manual target note selection
• Tuning presets for guitar, bass, ukulele, violin, viola, cello, mandolin, and banjo
• Metronome with 30-250 BPM, tempo presets, multiple time signatures, sound, and haptic feedback
• Tuning fork with selectable notes, adjustable A4 reference pitch, and configurable tone duration
• Adjustable A4 reference pitch from 430 Hz to 450 Hz
• Six appearance themes, including light and dark options
• Apple Watch support for tuning right from your wrist
• Simple, distraction-free interface for practice, rehearsal, and performance