Whatsapp is a popular messenger for group messaging. With the latest update, whatsapp offer free local and internationl voice calls.u can call a contact by pressing the writing icon to send a message.the camera buttoun enables you to capture or send photos and videos directly from the chat page.send group messages.create one for your family members, one for your coworkers, one for your poker friends, and so on.money saving app , whatsapp messages are free, even to international contacts.voice calling option also good. Sound quality on calling also good.whatsapp is an easy to use, feature rich, and affordable messaging and voice calling app.