GPF Easy Diapason
GPF Easy Diapason is made and published by Gian Paolo Fontani. AppBrain is an independent app data site and isn't affiliated with Gian Paolo Fontani. The app name, icon, screenshots and description belong to Gian Paolo Fontani and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- March 5, 2026
- Size
- 279.0 KB
User feedback
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Store listing
By Gian Paolo Fontani, from the App StoreDescription by Gian Paolo Fontani Written by the developer, not by AppBrain. Click to read.
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.
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 279.0 KB
- Content rating
- Everyone
Technologies used by GPF Easy Diapason
Releases
Updates seen on the App Store- Version
- 1.0
- Launched
- March 2026
No changelog data
Alternatives
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Rankings
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About the app and developer
About GPF Easy Diapason
GPF Easy Diapason is a music app developed by Gian Paolo Fontani.
User Ratings
The app has no ratings yet.
App Information
GPF Easy Diapason is freely available from the App Store. The app size is 279.00 kB. The latest version available is 1.0. The last update was on March 5, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since March 2026.
Developer information for Gian Paolo Fontani
Address:
Frequently asked questions about GPF Easy Diapason
Is GPF Easy Diapason free?
Yes. GPF Easy Diapason is free on the App Store.
Is GPF Easy Diapason still available?
Yes. GPF Easy Diapason is on the App Store, and the last update we saw was on March 5, 2026.
How large is GPF Easy Diapason?
GPF Easy Diapason is 279.00 kB.
Is GPF Easy Diapason suitable for children?
App Store rates the content of GPF Easy Diapason as suitable for everyone.
Who made GPF Easy Diapason?
GPF Easy Diapason was developed by Gian Paolo Fontani. It is listed in the music category on the App Store.
What are the best alternatives to GPF Easy Diapason?
People looking at GPF Easy Diapason also look at these music apps: iDiapason, GuitarPath Tuner, Klef: Learn Music & Theory, Tone Generator: Frequency Hz, Harmonic Tuner.