Lumo
A private AI assistant by Proton
Promotes non-free network services
- Developer
- Proton
- License
- GPL-3.0-only
- Package
me.proton.android.lumo- Category
- AI Chat, Internet
- Latest version
- 1.2.18-nogms · Mar 31, 2026
- Minimum Android
- Android 10
Screenshots
Description
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.
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.
All versions
| Version | Released | Minimum Android | Size |
|---|---|---|---|
| 1.2.18-nogms | Mar 31, 2026 | Android 10 | 88.9 MB |
| 1.2.11-nogms | Dec 2, 2025 | Android 10 | 82.2 MB |
| 1.2.9-nogms | Nov 17, 2025 | Android 10 | 82.2 MB |
| 1.2.6-nogms | Nov 6, 2025 | Android 10 | 51.4 MB |
How to install an older version of an Android app · How to install an APK file on Android
From the developer (GitHub)
APK files published by the developer on GitHub. They are signed by the developer and may not install over the other builds on this page (different signature). Links open github.com.
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