Dumbbell Split app does not collect any personal identifying information. Dumbbell Split app does not store any user information. Third parties, such as Firebase Analytics (a Google service) may aggregate and display app usage information to show a number of app users over time. Deletion of Dumbbell Split app from the device will delete all information Dumbbell Split has stored on the device including preferences, workout history, and all other information related to Dumbbell Split app.