Simple. Reliable. Private. WhatsApp by Meta is a FREE messaging and video calling app. It's used by over two billion people in over 180 countries. It's simple, reliable, and private, so you can easily stay in touch with friends and family. WhatsApp works on mobile and desktop devices, even on slow connections, with no subscription fees*. Private messaging worldwide. Your private messages and calls to friends and family are end-to-end encrypted. No one outside your chats, including WhatsApp, can