Popular messaging and VoIP service Viber just updated its iPhone app with a number of new features that first hit Android devices yesterday. The update brings “doodles”, a feature that lets users draw on top of photos before sharing.

Also new in version 3.1 of Viber is the ability to see when a recipient has viewed a message with “Seen” status notifications.

In addition, the updated app includes more emoticons, additional language support, and “Support for the Viber Desktop application on Windows and Mac.”

A full list of new features is below:

What’s New in Version 3.1

• Send doodles or paint over a photo and share it with your friends! • “Seen” status lets you know when your messages have been seen • Support for the Viber Desktop application on Windows and Mac • Fun new emoticons • Message performance improvements • Bug fixes • Localized to: Croatian, Norwegian, Romanian, Slovak and Ukrainian