This allows for metadata to be hidden, giving you an added level of security and privacy. Signal has developed a technology for protecting metadata called Sealed Sender. Metadata is not protected by end-to-end encryption, meaning that while the content of your message is safe, a lot of information can still be gleaned from it. Metadata includes information about when the message was delivered, who it was sent to and more. In a nutshell, when you send a message or photo, metadata is also sent out. However, Signal does have some advantages over WhatsApp, even though they use the same encryption service. This is open-source and peer-reviewed software, making it one of the most trustworthy end-to-end encryption services in use. Which platform is more secure?īoth WhatsApp and Signal use the same encryption protocol developed by Open Whisper Systems. We’re going to be running through some of the key advantages of both Signal and WhatsApp to see how much they differ, so you can decide which messaging app is right for you. You have likely come across both WhatsApp and Signal, but which messaging app is the easiest, and safest, to use?

Signal app