If you prefer dedicated hardware over a smartphone app, several "network radios" come with Zello pre-installed or supported: Go to product viewer dialog for this item.

Zello collects some data, such as location and app activity, but data is encrypted in transit. Zello-Compatible Hardware

The app can be downloaded for free from official sources like the Google Play Store for Android and the App Store for iOS. For those specifically needing the APK file , it is available directly through the Official Zello Downloads Page or trusted third-party repositories like APKMirror . Key Features of Zello

Real-time streaming with high-quality voice audio that mimics a traditional two-way radio.

Private one-to-one and group conversations are fully end-to-end encrypted.