The difference between Signal and Wattsapp is really in all the non-message-contents data that Wattsapp collects, as you can see in their privacy (hah!) policy:

The difference between Signal and Wattsapp is really in all the non-message-contents data that Wattsapp collects, as you can see in their privacy (hah!) policy: ( https://www.whatsapp.com/legal/#privacy-policy-information-we-collect https://www.whatsapp.com/legal/#privacy-policy-information-w...) "(We collect) hardware model, operating system information, battery level, signal strength, app version, browser information, and mobile network, connection information including phone number, mobile operator or ISP, language and time zone, and IP, device operations information, and identifiers like device identifiers (including identifiers unique to Facebook Company Products associated with the same device or account) "...how you interact with others using our Services, and the time, frequency, and duration of your activities and interactions), log files, and diagnostic, crash, website, and performance logs and reports. This also includes information about when you registered to use our Services, the features you use like our messaging, calling, Status, or groups features, profile photo, about information, whether you are online, when you last used our Services (your "last seen"), and when you last updated your about information. "We collect device location information if you use our location features, like when you choose to share your location with your contacts, view locations nearby or those others have shared with you, and the like, and for diagnostics and troubleshooting purposes such as if you are having trouble with our app's location features. We use various technologies to determine location, including IP, GPS, Bluetooth signals, and information about nearby Wi-Fi access points, beacons, and cell towers. "We receive information about you from other users and businesses. For example, when other users or businesses you know use our Services, they may provide your phone number, name, and other information "Businesses you interact with using WhatsApp provide us information about their interactions with you.