That multi-device access is coming to WhatsApp is no secret. “For years,” their formal announcement, released today, says, “people have been asking us to create a true multi-device experience that allows people to use WhatsApp on other devices without requiring a smartphone connection.” When they called to tell me about this new update, the team were genuinely excited. And while iMessage does sync across all a user’s trusted devices, as soon as you message someone outside Apple’s ecosystem, the blue iMessage bubbles turn green and there’s no security anywhere to be seen.Ĭue WhatsApp. Signal is very much security first, and that means no syncing between linked devices-each is essentially an independent endpoint attached to a user's account, only operating while linked. It’s no mean feat-and both do it seamlessly.īut neither is perfect. No, the trick that iMessage and Signal have achieved is to link devices without compromising security. Facebook Messenger and Telegram also offer multi-device options, of course but neither end-to-end encrypt by default, and so they have issues of their own.
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