Google Duo, the video calling app of Google has crossed more than 5 billion download through the Play Store. Duo is the highest quality video calling app. It is free, simple and works on Android phones, iPhones, tablets, computers, and smart displays, like the Google Nest Hub Max. Whether it’s one-to-one calls, group calls or video messages, conversations on Duo will always stay private with end-to-end encryption.

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