iTuner Pro
Precision Instrument Tuner
$0.99 · Designed for iPhone. Not verified for macOS.
Tune guitar, bass, ukulele, violin and more with real-time pitch detection, clear cents feedback, custom A4 reference, and Apple Watch support.
iTuner Pro is a clean, accurate instrument tuner for musicians who want fast feedback and a focused tuning 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. iTuner Pro supports common presets for guitar, bass, ukulele, violin, viola, cello, mandolin, and banjo, including guitar standard and Drop D tuning.
Key Features
- Real-time pitch detection through the microphone
- Clear note, frequency, and cents deviation display
- Automatic or manual target note selection
- Built-in tuning presets for popular string instruments
- Adjustable A4 reference pitch from 430 Hz to 450 Hz
- Auto-start listening option for faster tuning
- Light and dark appearance themes
- Apple Watch support for tuning right from your wrist
- Simple, distraction-free interface for practice, rehearsal, and performance
Whether you are tuning before a lesson, recording session, rehearsal, or show, iTuner Pro helps you stay in tune with confidence.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, 培亮 王, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 培亮 王
- Size
- 5.3 MB
- Category
- Music
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later. - Apple Watch
Requires watchOS 8.0 or later.
- iPhone
- Languages
English and 3 more
- English, Japanese, Simplified Chinese, Traditional Chinese
- Age Rating
4+
- 4+
- Copyright
- © 2026 Zhifei Qiu

