6 Best Free Calling Apps for Android

If you are using an Android phone and you have a 3G mobile broadband connection. Then you can take advantage of the power of VoIP (Voice over Internet Protocol) to make a free call on your mobile. In order to make a free phone call, you have to install a VoIP app on your phone. The following are some of the best free calling apps for android.

1. Line
   Line is the best and the most popular Android’s messenger application nowadays. The app has been ranked no.1 in the free app category in more than 40 countries, including China, Japan, Taiwan, Thailand, Singapore, Malaysia, Hong Kong, Macau, Mexico, Russia, Saudi Arabia, United Arab Emirates, and more. With this app you can make free voice calls using 3G connection or Wifi to others Line’ users around the world. Line is now available on most mobile platforms such as Android, IOS, Windows phone and Blackberry.
   Moreover, you can create or join a chat room with up to 100 people, send your photos along with the location info and enjoy free messaging feature with a huge variety of nice emoticons and stickers.
    
2. Viber
   Like the Line, viber is a free android app that allows users to make free voice calls using 3G internet connection or Wi-Fi to over 200 million users worldwide. Viber is available for Android, iPhone, Windows Phone, and Blackberry. On viber, your phone number is your ID. The app automatically scans your mobile contact list, which of your contacts have Viber installed.
    
3. Kakao Talk
   Kakao Talk is a very popular Korean free mobile chat application since its inception in 2010, has attracted more than 90 million active users around the world despite most of the users were come from Asia-Pacific region, especially South Korea. With this app, you can send free messages, make free unlimited calls to all the users worldwide, create your own group chat, schedule appointments, send photos and videos, as well as get creative using animated emoticons & custom themes.
   Similar to the Viber and Line, this application is available in various mobile platforms such as iOS, blackBerry and Windows Phone, and Android.
    
4. Tango
   Tango is another one of the most powerful free calling apps for both android and iPhone. While it is not as popular as those three apps mentioned above, but its quality can not be denied. It offers unparalleled quality of video-calls.
   Similar to Viber, Tango allows you to make free voice calls, send free message and make video calls. Additionally, Tango also allows you to play games. WOW!!
    
5. Skype
   Skype is perhaps the grand daddy of them all. Many of you may have familiar with Skype which has been around since 2003. The service is now available on almost every platforms, including Android, iPhone, Mac or PC.The app allows you to make free voice calls over 3G or WiFi. In select Android phones, you can even make video calls.
    
6. Nimbuzz
   Nimbuzz Messenger is another VoIP app that allows you to make free calls to other Nimbuzz users around the world. This app also allows you to chat with your buddies on other networks like Facebook, Gtalk, and Yahoo Messenger 24×7 for free.Like the other VoIP apps, you can send unlimited chat messages, share files on any mobile device across popular messengers. Nimbuzz Messenger is available on Android, iOS, Blackberry, Symbian, Java, Windows and Mac.