Support

Contact for the HARAKU app

How to contact us

For questions, bug reports or requests about the app, please email us at:

support@fujibit.com

FAQ

Q. Which devices are supported?

iPhone and iPad with iOS 15.0 or later, and Android phones and tablets with Android 7.0 (API 24) or later.

Reporting a problem

When reporting a problem, the following information helps us fix it quickly.

- Your device model (e.g. iPhone 16)
- OS version (e.g. iOS 18.2)
- What happened and how to reproduce it

About the app

HARAKU is an interactive simulator for the physics of waves. It has 12 modes: superposition, reflection, standing waves, Fourier synthesis, beats, the Doppler effect, air column resonance, 2D ripples, interference, diffraction, refraction and thin-film interference. It is available in 16 languages: Japanese, English, Chinese (Simplified and Traditional), Korean, Spanish, Portuguese (Brazil), German, French, Hindi, Indonesian, Russian, Italian, Turkish, Thai and Vietnamese.

Version: 6.0.1