Walkie Talkie PTT · Trailcall

Offline walkie talkie: push-to-talk with nearby phones over Bluetooth & Wi-Fi.

Trailcall is an offline walkie talkie app: it sends push-to-talk voice between nearby phones over Bluetooth and Wi-Fi Direct. No internet, no mobile network, no account. Trailcall must be installed on every phone you want to talk to. It works only between phones running Trailcall: it does not connect to hardware walkie-talkies or to other apps. Range depends on the surroundings and the phones, usually tens of metres…