Android
Direct install of the APK file (it is not on Google Play).
Download APK Version 1.3.3
How to install it on Android
- 1
Tap “Download APK”. If your browser asks, allow the download.
- 2
Open the downloaded file. Android will ask for permission to install apps from this source: allow it for your browser.
- 3
Finish the installation, open Viper and sign in with your account.
- 4
Accept notifications and disable battery optimization to receive alerts with the screen off.
Only install from this page. If your phone warns that the file comes from an unknown source, that is normal: the app is not distributed through Google Play.