We tested the best walkie talkies in the field and in a head-to-head to see which had the longest range and best clarity.
It must be noted that all of these apps run on the internet and cannot be used to intercept radio waves or tune into frequencies used by physical walkie talkies. This also means the apps may not work ...
In a recent article in Elektor magazine, [Clemens Valens] describes the construction and software for an ESP32 walkie-talkie system that uses ESP-NOW for the wireless connection between units ...