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Google Duo

Google Duo is the cross-platform, one-to-one video calling app that's simple, reliable and fun.

FEATURES Cross-platform - Get closer to everyone you love with simple, high-quality video calling on iOS and Android. Easy to use - Simple one-tap calling and super smooth switching from cell to Wi-Fi make it easy to check in from anywhere. Call previews - Preview incoming video calls from everyone in your contacts with Knock Knock. So whether it's your mom's first skydiving trip or your friend's shiny new ring, you'll never miss a moment.