Almost worthless if not plugged into charger
This would be a good app if it didnt drain the battery so much - about as fast as using the gps full-time. I dont mean just while actively using it. If you set it to available so you can hear calls as they come in the battery drops like a rock. As such, I have to leave it on busy, then catch up later on calls, which makes it almost worthless for what it was primarily designed for - a walkie-talkie type of app. It has always been this way - not just this version. Get with it developers! I gave it an extra star (bringing it to 2) just because it does actually work - although at a substantial cost.
JeWT about
Zello Walkie Talkie, v3.33