Duo is the highest quality video calling app. It’s free, simple and works on Android phones, iPhones, tablets, computers, and smart displays, like the Google Nest Hub Max.
Weighing the odds

The Good
- Highest quality video calling app
- Works well with low internet speed
- Works seamlessly between Android and iOS devices
The Bad
- Call gets interrupted when you receive another call
- Inconsistent in allowing users to use filters and effects
- Updates are needed very often