GPF Easy Diapason
Diapason
Only for iPhone
Free
iPhone
Simple iPhone tuning fork: tap to play, set frequency, fine tune in cents, choose waveform, and tune faster with a clean black and white design.
GPF Easy Diapason is a simple tuning fork app for iPhone.
It plays a continuous reference tone to help tune instruments and voices.
The interface is clean and minimal, with quick controls for sound setup.
Main features:
- Tap the 3D tuning fork to start or stop sound
- Reference frequency presets: A440, A432, A444, Baroque 415
- Base frequency control from 220 Hz to 880 Hz
- Fine tuning in cents (-50 to +50)
- Volume control
- Waveform selection: Sine, Square, Triangle, Saw
- Real time frequency display in Hz
- Version and build info in footer
Design:
- Black and white style
- Clear typography
- Focused single screen workflow for fast use
Technical notes:
- Built with SwiftUI
- Audio engine based on AVAudioEngine and AVAudioPlayerNode
- Automatic build number increment on each build
This app is made for musicians, students, choir practice, and anyone who needs a fast and reliable pitch reference on iPhone.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Gian Paolo Fontani, 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
- Gian Paolo Fontani
- Size
- 285.7 KB
- Category
- Music
- Compatibility
Requires iOS 18.6 or later.
- iPhone
Requires iOS 18.6 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © Gian Paolo Fontani