Equals POP doesn't store any of your data. Your settings and highscores are stored locally on the device, they're not uploaded to our servers.
Furthermore, there are no usage tracking scripts or libraries in the application that track your activity. We do not collect any statistics.
If you decide to turn on Game Center inside the app, your highscores will be saved in Game Center. You can read about the terms and conditions of Game Center here: https://www.apple.com/legal/internet-services/itunes/gamecenter/