5 stars: The first couple of times that I use Duo the phone kept freezing up and then it would just shut down. Lately all of my calls a very clear and there was no freeze. I would recommend this to whoever likes FaceTime or anything like this. You can always go through Duo to talk to whoever you want to see while you're talking.
4 stars: Connection \u0026 videos are crisp \u0026 clean. Zero buffering. My only issue is when I open my ALEXA app \u0026 trying to play music or adjust the volume on my ECHO DOT. The speaker on the DUO goes off, I can only hear the other party if I place the phone to my ear. So I disconnect \u0026 call them back. Other than that, it works just fine.
5 stars: I'm traveling in Europe right now, hadn't used Duo much before this, but didn't know what I was missing! This morning I recorded a video message, because it was the middle of the night, back home in California. Doing video calls in the afternoon (early morning back home) is great - and I'm not paying international per-minute charges, because it all goes over data, not voice.
5 stars: It is way clear than other video calling services. Previously there was issues with audio. Where audio would be just too low to hear but I can now see that the audio is also good. I recommend this app.
4 stars: Any messaging application allows to send text messages and make calls from the same application. Duo critically lacks integration with any text messaging application. But this contradicts to a...