You're right. I have posponed writing the privacy policy for a while but I guess the time has come. I use Firebase Realtime Database as a backend and that's it

You're right. I have posponed writing the privacy policy for a while but I guess the time has come. I use Firebase Realtime Database as a backend and that's it, there's no other stuff done with the data from my side. Edit: actually, there's Google and email auth, both handled with Firebase Auth.