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Lumo

A private AI assistant by Proton
New in version 1.2.11-nogms
Paws what you’re doing and check out the latest Lumo Android upgrade—now it lands on its feet every time (stability that’s fur‑real) and finally understands your meows with purr‑fect speech‑to‑text. 😺📱✨
Ask anything. It’s confidential.

Meet Lumo, the privacy-first AI assistant created by Proton, the team behind encrypted email, VPN, password manager, and cloud storage trusted by over 100 million people.

Lumo helps you stay productive, curious, and informed — without ever compromising your privacy.

Start a confidential chat today.

Anti-Features

This app has features you may not like. Learn more!

Versions

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 1.2.11-nogms (43) suggested Added on Dec 02, 2025

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 10 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • 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.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • 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.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • me.proton.android.lumo.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 82 MiB PGP Signature | Build Log

  • Version 1.2.9-nogms (40) - Added on Nov 17, 2025

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 10 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • 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.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • 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.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • me.proton.android.lumo.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 82 MiB PGP Signature | Build Log

  • Version 1.2.6-nogms (37) - Added on Nov 06, 2025

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 10 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • 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.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
      (12L)
    • read audio files from shared storage
      Allows the app to read audio files from your shared storage.
    • read image files from shared storage
      Allows the app to read image files from your shared storage.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • me.proton.android.lumo.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 51 MiB PGP Signature | Build Log