You can ping a lot of people at once with the Broadcast feature, leave voice memos, and more besides. As well as the standard text-based conversations, it's able to handle video calls, group chats, location sharing, and the transferring of files of various types. There's very little that WhatsApp can't do. You're no doubt already familiar with WhatsApp as one of the best messaging apps out there, but you might not have realized that it offers end-to-end encryption for your messages – in fact, it uses the super-strong encryption protocol developed by Signal.