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Download Viper

The Android app stays alert with the screen off. On iPhone and computers you can use the web version.

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. 1

    Tap “Download APK”. If your browser asks, allow the download.

  2. 2

    Open the downloaded file. Android will ask for permission to install apps from this source: allow it for your browser.

  3. 3

    Finish the installation, open Viper and sign in with your account.

  4. 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.

iPhone and computer

Open it from your browser, sign in and add Viper to your home screen. For now the native app is Android only; on iPhone, alerts with the screen locked depend on what the system allows.

Open my dashboard

Add to the home screen

  1. 1

    iPhone (Safari): tap Share and then “Add to Home Screen”.

  2. 2

    Android (Chrome): the ⋮ menu and then “Install app” or “Add to Home screen”.

  3. 3

    Computer (Chrome or Edge): the install icon in the address bar.