this is react-native-timer which will run in all three stages background, kill and foreground state for this you need to install the following packages. not all necessary but these are used for styling and iave used some custom varaible so you need to remove them
react-native-vector-icons
react-native-responsive-screen
react-native-size-matters
@react-native-async-storage/async-storag
moment
@react-navigation/native