There's an app called Rattlegram that will convert data into audio that you can then send over a walkie talkie. I wish the hardware was included directly in th

There's an app called Rattlegram that will convert data into audio that you can then send over a walkie talkie. I wish the hardware was included directly in the phone. It would be super useful for outdoor activities where there's no cell service and you often end up just out of yelling distance.