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Calculate!

Set one-click emergency options
Set up emergency plans like whom to text in case of intimidation. When in
danger, rapidly press the power button and the secret alarm gets triggered. The
app is disguised as a calculator.

Packages

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

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  • Version 1.4.0 (137) suggested Added on 2015-04-22

    This version requires Android 2.3.3 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • read your contacts
      Allows the app to read data about your contacts stored on your phone. Apps will also have access to the accounts on your phone that have created contacts. This may include accounts created by apps you have installed. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
    • read phone status and identity
      Allows the app to access the phone features of the device. This permission allows the app to determine the phone number and device IDs, whether a call is active, and the remote number connected by a call.
    • send and view SMS messages
      Allows the app to send SMS messages. This may result in unexpected charges. Malicious apps may cost you money by sending messages without your confirmation.
    • control vibration
      Allows the app to control the vibrator.
    • access precise location only in the foreground
      This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • install shortcuts
      Allows an application to add Homescreen shortcuts without user intervention.
    • uninstall shortcuts
      Allows the application to remove Homescreen shortcuts without user intervention.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • retrieve running apps
      Allows the app to retrieve information about currently and recently running tasks. This may allow the app to discover information about which applications are used on the device.

    Download APK 1 MiB PGP Signature | Build Log

  • Version 1.4.0 (134) - Added on 2015-04-08

    This version requires Android 2.3.3 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • read your contacts
      Allows the app to read data about your contacts stored on your phone. Apps will also have access to the accounts on your phone that have created contacts. This may include accounts created by apps you have installed. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
    • read phone status and identity
      Allows the app to access the phone features of the device. This permission allows the app to determine the phone number and device IDs, whether a call is active, and the remote number connected by a call.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • send and view SMS messages
      Allows the app to send SMS messages. This may result in unexpected charges. Malicious apps may cost you money by sending messages without your confirmation.
    • control vibration
      Allows the app to control the vibrator.
    • access precise location only in the foreground
      This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • install shortcuts
      Allows an application to add Homescreen shortcuts without user intervention.
    • uninstall shortcuts
      Allows the application to remove Homescreen shortcuts without user intervention.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • retrieve running apps
      Allows the app to retrieve information about currently and recently running tasks. This may allow the app to discover information about which applications are used on the device.

    Download APK 1.3 MiB PGP Signature | Build Log

  • Version 1.3.0 (132) - Added on 2014-08-08

    This version requires Android 2.3.3 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • read your contacts
      Allows the app to read data about your contacts stored on your phone. Apps will also have access to the accounts on your phone that have created contacts. This may include accounts created by apps you have installed. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
    • read phone status and identity
      Allows the app to access the phone features of the device. This permission allows the app to determine the phone number and device IDs, whether a call is active, and the remote number connected by a call.
    • send and view SMS messages
      Allows the app to send SMS messages. This may result in unexpected charges. Malicious apps may cost you money by sending messages without your confirmation.
    • control vibration
      Allows the app to control the vibrator.
    • access precise location only in the foreground
      This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • install shortcuts
      Allows an application to add Homescreen shortcuts without user intervention.
    • uninstall shortcuts
      Allows the application to remove Homescreen shortcuts without user intervention.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • retrieve running apps
      Allows the app to retrieve information about currently and recently running tasks. This may allow the app to discover information about which applications are used on the device.

    Download APK 1.0 MiB PGP Signature | Build Log