If it is, double check whether there is an update available for the iOS version and download it if not done automatically.

The new WhatsApp watchOS app announced today lets you send and receive full-length voice and text messages, get call ...

WhatsApp for Apple Watch is finally here, bringing a variety of new messaging features to the watchOS experience. Here are ...

The new Apple Watch app should provide better access to WhatsApp's features beyond just replying to notifications.