After releasing the free voice calling on Android devices, Whatsapp has finally released the free Voice calling feature for Apple iPhone users. Whatsapp has just released v2.12.1 which comes with new feature.
Along with VoIP support, Whatsapp has added support for iOS 8 extension. The new update also comes with Quick camera button in chat.
Official change log from Apple App Store:
WhatsApp Calling: Call your friends and family using WhatsApp for free, even if they’re in another country. WhatsApp calls use your phone’s Internet connection rather than your cellular plan’s voice minutes. Data charges may apply. Note: WhatsApp Calling is rolling out slowly over the next several weeks.
iOS 8 share extension: Share photos, videos, and links right to WhatsApp from other apps.
Quick camera button in chats: Now you can capture photos and videos, or quickly choose a recent camera roll photo or video.
Edit your contacts right from WhatsApp.
Send multiple videos at once and crop and rotate videos before sending them.
WhatsApp v2.12.1 for iPhone is now available on App Store. It require iOS 6.0 or later. You can update and enjoy free voice calling anywhere.