Support
Contact and frequently asked questions
FAQ
Which devices are supported?
iPhone and iPad with iOS 15.0 or later, and Android 7.0 or later.
Does it work offline?
Yes. Every simulation works offline. Only the ad needs an internet connection.
Is it free?
Yes. The App is free and has no in-app purchases. It shows one banner ad on the home screen only.
Can I use it in class?
Yes. You are welcome to use it in schools, tutoring and self-study.
How accurate are the simulations?
They use simplified textbook models for teaching. They are not meant for clinical or research use.
How do I change the language?
The App follows your device language. On iOS you can also choose a language for this app only in Settings > NOURAKU > Language; on Android 13 or later, in Settings > System > Languages > App languages.
Reporting a bug
Please include the following so we can fix it quickly:
- Device (for example iPhone 16 or Pixel 9)
- OS version (for example iOS 26 or Android 16)
- App version (shown in the info button on the home screen)
- Steps to reproduce the problem