This app saves lives! Provides uninterrupted communication even without internet

When you press the "I'm in the safe" button on the main screen of the application for up to 5 phone numbers you set in the settings section of "I'm Safe", the phone sends your location received via GPS service to the people you specify via your SMS system. I'm safe, the app doesn't need internet after installing the app.

It enables communication between phones installed with Bluetooth and WiFi.

In places where there is no internet and network access, it only allows you to communicate with people near you 100 meters away via Bluetooth.

A technology developed by the Oppo brand. It allows you to send photos, videos and text within 3 km of area without WiFi or network.

It turns your phone into a radio over WiFi, internet connection, and allows you to communicate with the people around you.

It is the free radio application of PTT. Turns your phone into a push to talk radio. It has WiFi requirement.