WhatsApp Messenger is a FREE messaging app available for iPhone and other smartphones. WhatsApp uses your phone's Internet connection (4G/3G/2G/EDGE or Wi-Fi, as available) to let you message and call friends and family. Switch from SMS to WhatsApp to send and receive messages, calls, photos, videos, and Voice Messages.
What's New In This Version:
• You can now require Face ID or Touch ID to unlock WhatsApp. Tap "Settings" > "Account" > "Privacy" and enable Screen Lock.
You can download WhatsApp Messenger from the App Store for free.