PTT Walkie Talkie is a free mobile app developed by Alpha App Tech that allows users to communicate using a walkie-talkie-like feature without an internet connection. The app connects users in the same geographic region and age group to establish communication without the need of the internet. With this app, users can make one-to-one calls or group calls with a high-quality voice.

The app is easy to use with a simple user interface, and it requires no sign-up or personal information. Users can talk to their friends, family members, or coworkers using this app for free. The app is compatible with Android 9.0 and can be used on smartphones and tablets. The app requires access to the microphone to record the user's voice when holding the PTT button, and access to location for finding nearby devices to establish a connection.

PTT Walkie Talkie is an excellent app for people who want to communicate without the internet. It is also ideal for those who like to play cops and bandits as it turns a smartphone into a walkie-talkie. The app is entirely free, and users can start using it by installing it on their device.