VoIP and WiFi calls have been available for several years, calls over Internet use the 3G connection or WiFi networks instead of mobile networks.
VoIP calling applications are the most popular for smart-phone users to make free calls to their friends, siblings or any family member without paying phone rate or get bargain prices. Most of these applications will require you to consider these 3 aspects:
- Smartphone, (supports WiFi).
- You and your contacts must have the same application installed.
- WiFi internet connection.
With following mobile apps you can make free WiFi calls from your iPhone, Blackberry or Android to the United States (USA), Canada, Australia, United Kingdom (UK), Norway, U.A.E and Saudi Arabia.
The most popular mobile application for free WiFi calls, with more than 600 million users worldwide and already has a video call service from Facebook.
Make free calls between users of the application and other phones and landlines at very low prices. Available for a wide variety of phones.
Is one of the most downloaded applications by mobile users because of their quality of calls. You can communicate without cost or registration. Just install the application and you can even integrate it with your phone's address book, identifying which of your contacts already have the application.
This application has versions for iOS devices from Apple, Android, Windows Phone, Blackberry and Nokia.
Another best mobile applications for free calls over the Internet. Although it is limited only to the United States and Canada. You can record your conversations, import numbers from your phone book. Available for Apple, Android, Blackberry and Windows Mobile smart-phones.
It even has a web version for mobile browsers.
This is not a simple VOIP application. With Bobsled you can make free calls worldwide through multiple iOS and Android devices. In addition, your messaging system synchronizes the contact list and conversations in the cloud so that they are always available everywhere.
This app uses your mobile phone as a walkie-talkie with this app. Send audio messages to your friends and they can answer immediately, or later, with another audio recording. It is available for iPhone, iPod touch, iPad and Android devices.
One of the favorite applications of free VoIP calls in the USA and Canada. Desktop applications are available for Windows, Mac OS X or Linux, as well as a mobile application for iPhone, Android, Windows Phone.
This application has a very simple bet to make short free WiFi calls, from 10 seconds to minute, worldwide. Maybe very short but useful if you only need to say few things.
Vonage communicates for free from your mobile with your friends who also use this application, allowing you to make the high quality call and send text messages. Use your phone number and integrate your contact list to make the calls.
It is also compatible with Bluetooth to talk hands-free. It is available for Apple and Android devices.
It is touted as one of the mobile applications for free calls easier to handle and also connects to your Facebook account to synchronize your contact list. It offers free calls and group chat. Available for iPhone, Android and Windows Phone.
Nimbuzz - very popular all over the world, this application allows you to make free WiFi calls, chat and send free messages to your contacts who also have the application and has Geolocation service.
It's really such a big company that recognizes mobile phones and tablets around the world. Just register on Nimbuzz official page and the system will detect the device.
Note: If you want to install any application to your smart-phone you can download for Android phones from Play store and for iOS phones from Apple store. For other operating systems you can download applications from its official website.