No information is collected. The app send no data to the Internet. The history of your doses is stored locally on your phone. No tracker is active in the app.
The only information collected is the history of your My PrEP+ subscription, through the SDK revenuecat.com, and this in an anonymous way. That’s all. No other information is collected. The history of your intercourses is stored locally on your phone.
To delete your data, go to the Settings tab and press "Erase my data", or just uninstall the app.