Is WhatsApp Free to Use for Messaging and Calling?
Discover whether WhatsApp is free to contact any number globally. Learn how it works and potential data charges.
How to Message Without a Data Plan: Use Wi-Fi Messaging Apps
Discover how to send messages without a data plan using Wi-Fi and popular messaging apps.
Do You Need a SIM Card to Use WhatsApp? Understanding Activation
Discover if a SIM card is necessary for using WhatsApp and learn how to activate your account without one.