Across the board, Skype works with good voice and video quality, in sleek, modern interfaces. In fact, clients are even available for Android Wear, Apple Watch, Blackberry, Linux, and Xbox. You can take advantage of Skype whether you're an Android, Apple, or Windows user.

It earns a PCMag Editors' Choice award for personal Voice-over-IP (VoIP) along with RingCentral (for Business) ($19.99 Per User Per Month at RingCentral) (Opens in a new window), our Editors' Choice for business. While Microsoft's Windows 10 ($139.00 at Microsoft Store) (Opens in a new window) Skype strategy isn't quite finalized yet, with both a preview and a released version available at the same time, the service still offers more than any competitor. Artificial intelligence (AI), in the form of chat bots, now joins the long list of Skype capabilities. An actual public phone number, Wi-Fi hotspots, live translation, and applications for every major platform? Skype has you covered there, too. Skype is the department store of communication software.

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Skype phone number already in use