Android or iOS devices can now make communication easier through several chat clients with the ability to send free messages, free voice calls, free image sharing and even push to talk for short voice messaging by simply using an Internet connection.

ChatOn by Samsung

A chat app made by Samsung which allow users to communicate using mobile data or Wi-Fi connection for sending messages and video calls. ChatOn's best feature is the use of dual camera during video call which also used for sharing screen in one view. It is a built-in application for most Samsung Galaxy devices such as Galaxy S3, Galaxy S4, Galaxy Note 2 and Galaxy camera.

- Dual Camera functionality

- Screen sharing

- Free video calls

- Free messaging and voice calls

- Group chat

- Multimedia sharing and emoticons

- Auto translation function between languages

ChatOn is available on both Android and iOS mobile platforms.

WeChat by Tencent

Another growing chat client is the WeChat app which features live chat, group chat and more. WeChat has the unique function to use "location-based" function to search anyone nearby using the app. Users can use "shake" feature to find others shaking their devices as well and ready for chat. Another unique found in WeChat is "Moments" which serves as status feed to all your WeChat contacts with image attachment function as well.

- Live Chat for group chatting

- Invitation via QR code

- Chat history and backup

- Video call

- Moments

- Voice Chat

- Web WeChat

- Shake

- Look Around

- Throw

WeChat is available to Android, Blackberry, iOS and Windows Phone devices.

LINE by Line Corporation

The most downloaded app in over 40 countries and being used for free calls and messaging is the LINE app from Line Corporation. Not only it can be used on mobile devices but it also features a PC-based function for users preferring laptops or net books. Another enhancer for the chat experience is the LINE gaming experience similarly found in Yahoo Messenger, having interactive live gaming between chatters.

- Free calls and messages

- Stickers for more detailed emoticon

- LINE gaming experience

- Instant voice and video messaging

- PC functionality

LINE app is available for mobile devices running Android, Blackberry, iOS and Windows Phone platforms and for computers running Mac OS X, Windows and Windows 8.