Threema is an instant messaging application developed by the Threema GmbH. It was released in 2012. Threema is compatible with Android, iOS and Windows phones. Threema comes with end to end encrypted features. It is available in 10 different languages.
Users can start chatting with their friends and families by creating a user id on Threema. Threema allows users to send voice messages, multimedia files, and locations. Users can also make voice calls with Threema. Threema comes with premium plan users can buy it from a certified app store and also from Threema’s official site.
As the report of Apple in 2014 Threema was the most sold app at the German app store. Users can easily find their friends on Threema by phone number and email id if they allowed the app to synchronize their address book.