官方购买
TripMode automatically reduces your mobile data consumption when you use a mobile hotspot Block Unwanted Traffic: Only apps that you’ve selected are allowed to access the Internet when TripMode is ON. The rest is blocked. Save Data Automatically: TripMode activates itself on networks where you used it before. No need to fiddle in menus. Track Your Data Usage: See how much data was used per app and per session, day, or month. Spot the data hungry apps.
