While many other rivals need internet connectivity at their very best to remain steady during the call, its quality doesn't suffer much even when you have the poor internet connection.
Even better, it lets you switch from cell to Wi-Fi with just a tap.
Price: Free Download Nimbuzz Messenger's video chatting facility is of top grade quality.
Really, making the video call had never been so easy-going before.
It has an interesting feature called “Knock Knock” which provides a video preview of incoming calls.
Hence, you can easily find out who is calling and why before going ahead with the call.
As for the quality of the video call, I would rate Whats App at par with the best.
The most interesting thing about it is that it offers a relatively better calling than most other apps even on 2G/3G let alone 4G.