VoipChief is a free android app that allows you to make VOIP calls as easy as regular calls through WiFi and 3G. You can also use the app's CallBack or Local Access service if your internet connection is slow. In addition, you can send cheap text messages from the app which is a great feature.

The app has great sound quality and you can use your android phone's contacts to make calls. It's easy to use and offers low rates for calls and text messages. However, it's important to note that using VoipChief as a default dialer may interfere with dialing 911 emergency services.

Overall, if you're looking for a way to save on your phone bill, VoipChief is a great option. It's easy to use, has great sound quality, and offers low rates for calls and text messages. Install the app now and start enjoying those cheap rates!