By default no data is collected; all your tests and settings are stored locally on your device.
If you decide to optionally create an account, your email address is collected and the tests you create and save on your account are stored on a Firebase database.
Firebase is a platform offered by Google, used in the case of this app to handle user authentication and to store your data securely.
Usage data is not collected.
If you have any questions about this privacy policy, please visit the support page.
If you submit feedback, your name and email address can be collected if provided.