Cross-platform - Get closer to everyone you love with simple, high-quality video calling on iOS and Android.
Make one-to-one calls - See who’s already available to connect on Duo or invite a friend to join.
Set up groups for your friends & family - Create a group with up to 12 people. Then, tap the group name to easily start a group video call.
Your calls stay private with end-to-end encryption - Whether it's one-to-one calls, group calls or video messages, your conversations on Duo will always stay private with end-to-end encryption. More Info »
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.