Can't afford talk time? Don't want to give your money to telecom companies? Want to be able to record calls? Don't want people to know your real cell phone number? Don't worry, there's an app for that. As long as you have an Internet signal, you can make a call using your iPhone, and there are plenty of calling apps that allow you to record calls using your own cell service. Online phone services are called VoIP (Voice over Internet Protocol) and many you've probably heard of, like Skype. Here is our list of the best iPhone apps for making phone calls.