Free calling apps enable you to cut down or even eliminate your voice plan. All you need is Wi-Fi access to make a phone call. Here are our picks for the best free calling apps for your iOS device. The Skype app is available for iPhone and iPad. It also works with Android, Windows 10 Mobile, Kindle Fire HD, Windows, macOS, Linux, and more. Skype is also accessible from a web browser. WhatsApp’s security focus sets it apart from other internet calling apps. The company says, “Privacy and security are in our DNA.” Because end-to-end encryption is enabled, WhatsApp makes sure nobody can spy on your phone calls. In addition to its iPhone app, WhatsApp is available for Android and Windows Phone devices as well as Windows and macOS computers. Voice messaging, texting, and file sharing work through WhatsApp in a browser, as well. Calling is just a tap away; use names or phone numbers to find your friends on the social networking giant. In addition to the iOS Messenger calling app for iPhone and iPad, the service is also available for Android devices. The Messenger website supports calls, as well. The app uses your phone number to identify you on the network and integrates seamlessly with your contact list to indicate who you can call on Viber for free. The Viber iOS calling app works with iPhones and iPads. The app also can be installed on Android mobile devices and Windows, macOS, and Linux desktop devices.