It works over Wi-Fi, 4G, 5G, and 3G data networks. It does not use your cellular minutes, though it does use a very small amount of data.
A common misconception is that Zello works without any service. Zello requires an internet connection (Wi-Fi or Cellular Data). If you are in a remote area with zero signal and no Wi-Fi, Zello will not work. It is not a replacement for satellite phones or standard handheld radios (like GMRS/FRS) in off-grid survival situations. It works over Wi-Fi, 4G, 5G, and 3G data networks
I’m talking about .
: The app works seamlessly between iOS and Android devices, as well as Windows PCs. Zello requires an internet connection (Wi-Fi or Cellular
Here is why the "walkie-talkie app" deserves a second look. I’m talking about
Join public or private groups with up to 10,000 active members for group broadcasts.
When a delivery driver is stuck in traffic, a dispatcher can open the map, see exactly where the driver is, and broadcast a reroute to everyone in that zone. You aren't playing phone tag with five different drivers. You are commanding a fleet.