Zello Walkie Talkie
The Zello app turns your smart phone into a walkie-talkie with a push-to-talk radio app. Talk to your contacts privately or join public channels. The app is free and works anywhere in the world as long as you have an internet connection.
Live voice over any network or Wi-Fi connection (2G, 3G, or 4G mobile data)
Send photos, text, or your location to your contacts Replay any messages you may have received, even if your phone was turned off
Shows availability of your contacts and text status
Available for Apple and Android mobile devices
The app may access your location even when it isn’t open, and can significantly decrease battery life. Requires an Internet connection or cell service