Cordova plugin foreground service or background service ? which is teh most recent and which is the right one?

Ionic Framework
1

What the title says !

theres

A)
ionic cordova plugin add cordova-plugin-background-mode
npm install @ionic-native/background-mode

and

B)
ionic cordova plugin add cordova-plugin-foreground-service
npm install @ionic-native/foreground-service

so which one to use ? my app should run in the background and continue to sync/upload with firestore .