Silence

Encrypted SMS/MMS conversations made easy!
Silence is an SMS/MMS application that allows you to protect your privacy while communicating with friends.
Using Silence, you can send SMS messages and share media or attachments with complete privacy.

Features:
* Easy. Silence works like any other SMS application. There\'s nothing to sign up for and no new service your friends need to join.
* Reliable. Silence communicates using encrypted SMS messages. No servers or internet connection required.
* Private. Silence provides end-to-end encryption for your messages using the painstakingly engineered Signal encryption protocol.
* Safe. All messages are encrypted locally, so if your phone is lost or stolen, your messages are protected.
* Open Source. Silence is Free and Open Source, enabling anyone to verify its security by auditing the code.

Please file any bugs, issues, or feature requests at:
https://git.silence.dev/Silence/Silence-Android/issues

The source code can be found at:
https://git.silence.dev/Silence/Silence-Android

More details:
https://silence.im

Privacy policy:
https://silence.im/privacy

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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.

Download F-Droid
  • Version 0.16.12-unstable (211) - Added on 2019-08-29

    This version requires Android 4.0 or newer.

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

    Permissions
    • org.smssecure.smssecure.ACCESS_SECRETS
    • read your contacts
      Allows the app to read data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific individuals. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
    • modify your contacts
      Allows the app to modify the data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific contacts. This permission allows apps to delete contact data.
    • receive text messages (SMS)
      Allows the app to receive and process SMS messages. This means the app could monitor or delete messages sent to your device without showing them to you.
    • receive text messages (MMS)
      Allows the app to receive and process MMS messages. This means the app could monitor or delete messages sent to your device without showing them to you.
    • read your text messages (SMS or MMS)
      This app can read all SMS (text) messages stored on your phone.
    • 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.
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • change network connectivity
      Allows the app to change the state of network connectivity.
    • 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.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • 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.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • 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.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.

    Download APK 13 MiB PGP Signature

  • Version 0.16.11-unstable (210) - Added on 2019-08-26

    This version requires Android 4.0 or newer.

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

    Permissions
    • org.smssecure.smssecure.ACCESS_SECRETS
    • read your contacts
      Allows the app to read data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific individuals. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
    • modify your contacts
      Allows the app to modify the data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific contacts. This permission allows apps to delete contact data.
    • receive text messages (SMS)
      Allows the app to receive and process SMS messages. This means the app could monitor or delete messages sent to your device without showing them to you.
    • receive text messages (MMS)
      Allows the app to receive and process MMS messages. This means the app could monitor or delete messages sent to your device without showing them to you.
    • read your text messages (SMS or MMS)
      This app can read all SMS (text) messages stored on your phone.
    • 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.
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • change network connectivity
      Allows the app to change the state of network connectivity.
    • 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.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • 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.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • 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.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.

    Download APK 13 MiB PGP Signature

  • Version 0.15.16 (145) - Added on 2019-08-29

    This version requires Android 4.0 or newer.

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

    Permissions
    • org.smssecure.smssecure.ACCESS_SECRETS
    • read your contacts
      Allows the app to read data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific individuals. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
    • modify your contacts
      Allows the app to modify the data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific contacts. This permission allows apps to delete contact data.
    • receive text messages (SMS)
      Allows the app to receive and process SMS messages. This means the app could monitor or delete messages sent to your device without showing them to you.
    • receive text messages (MMS)
      Allows the app to receive and process MMS messages. This means the app could monitor or delete messages sent to your device without showing them to you.
    • read your text messages (SMS or MMS)
      This app can read all SMS (text) messages stored on your phone.
    • 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.
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • change network connectivity
      Allows the app to change the state of network connectivity.
    • 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.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • 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.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • 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.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.

    Download APK 13 MiB PGP Signature

  • Version 0.15.15 (144) - Added on 2019-08-26

    This version requires Android 4.0 or newer.

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

    Permissions
    • org.smssecure.smssecure.ACCESS_SECRETS
    • read your contacts
      Allows the app to read data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific individuals. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
    • modify your contacts
      Allows the app to modify the data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific contacts. This permission allows apps to delete contact data.
    • receive text messages (SMS)
      Allows the app to receive and process SMS messages. This means the app could monitor or delete messages sent to your device without showing them to you.
    • receive text messages (MMS)
      Allows the app to receive and process MMS messages. This means the app could monitor or delete messages sent to your device without showing them to you.
    • read your text messages (SMS or MMS)
      This app can read all SMS (text) messages stored on your phone.
    • 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.
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • change network connectivity
      Allows the app to change the state of network connectivity.
    • 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.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • 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.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • 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.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.

    Download APK 13 MiB PGP Signature

  • Version 0.15.14 (143) - Added on 2019-08-22

    This version requires Android 4.0 or newer.

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

    Permissions
    • org.smssecure.smssecure.ACCESS_SECRETS
    • read your contacts
      Allows the app to read data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific individuals. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
    • modify your contacts
      Allows the app to modify the data about your contacts stored on your phone, including the frequency with which you've called, emailed, or communicated in other ways with specific contacts. This permission allows apps to delete contact data.
    • receive text messages (SMS)
      Allows the app to receive and process SMS messages. This means the app could monitor or delete messages sent to your device without showing them to you.
    • receive text messages (MMS)
      Allows the app to receive and process MMS messages. This means the app could monitor or delete messages sent to your device without showing them to you.
    • read your text messages (SMS or MMS)
      This app can read all SMS (text) messages stored on your phone.
    • 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.
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • change network connectivity
      Allows the app to change the state of network connectivity.
    • 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.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • 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.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • 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.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.

    Download APK 13 MiB PGP Signature