VoIP apps let users send messages, make phone calls, and do other tasks through an internet connection. Most apps offer the essential services for free, and they can harmonize with your devices for consistent usage. Here are some of the top VoIP apps.

Transmitting voice conversations over an internet connection can be risky, with no way of knowing whether or not anyone is tapping your calls. In response to this concern, Skype has just released a new feature that can encrypt all conversations, ensuring more privacy when calling or texting.