Cruise Ship Internet: How to Manage Data Usage on Expensive Satellite WiFi

https://kilo-wiki.win/index.php/How_Much_Data_Does_WhatsApp_Use_for_Calls,_Messages,_and_Video_While_Abroad%3F

If you've ever connected to cruise ship WiFi and watched your purchased minutes or megabytes evaporate before you finished loading your inbox, you already know the pain