iDiapason vs GPF Easy Diapason

iDiapason is a refined digital tuning fork designed for choir directors, singers and musicians who require precision and simplicity. With a clean and distraction-free interface, the app provides an immediate reference pitch activated by a natural shake gesture — just like striking a real tuning fork. Features: • Reference pitches: 440 Hz, 441 Hz, 442 Hz, 444 Hz. 435 Hz and 432 Hz • Real recorded tuning fork sound • Shake-to-play interaction • Smooth audio fade-out • Visual feedback animation • Optimized for modern iPhone devices iDiapason is ideal for: • Choir rehearsals • Vocal warm-ups • A cappella groups • Music lessons • Instrument tuning reference Built for reliability and clarity, iDiapason delivers an authentic tuning experience in a minimal and elegant design. No ads. No distractions. Just pitch.

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.