Compatibility: Snapchat is a free app that lets you send a self-destructing photo or video message.
Optional text-based captions, filters, face lenses, geotags, emojis and more can also be placed over your photo or video messages to make them more creative.
Snapchat also offers a feature to post longer messages that last 24 hours, called Snapchat stories.
Easily start chatting with a friend or a group of friends using multimedia-rich content or instantly call them up on mobile from within the conversation.
Compatibility: Whats App is another popular instant messaging service that allows users to chat back and forth with individuals and in groups.
It's known as an ideal alternative if speed and simplicity are what you're looking for.
Compatibility: LINE was once considered Whats App's biggest competitor, offering all the various features needed for instant messaging.