Simple. Secure. Reliable messaging. With WhatsApp, you'll get fast, simple, secure messaging and calling for free. WhatsApp Messenger, or simply WhatsApp, is an American freeware, cross-platform centralized messaging and voice-over-IP service owned by Facebook, Inc. It allows users to send text messages and voice messages, make voice and video calls, and share images, documents, user locations, and other content. WhatsApp from Facebook WhatsApp Messenger is a FREE messaging app available for Android and other smartphones. How can install WhatsApp in PC? Can I install WhatsApp? What is WhatsApp Web? Why is WhatsApp bad? Whatsapp down or not working? Live status and problems.