Lumo by Proton
me.proton.android.lumo
FreeIn-app purchasesEveryone
Description
A private AI assistant by Proton
"Lumo is a zero-access encrypted AI assistant that keeps every conversation private. Your data is never logged, shared, or used to train models. Your chats are yours, and yours alone. Built by Proton, the privacy brand trusted by over 100 million people and the team behind Proton Mail, VPN, Drive, and Pass.THOUGHTFUL HELP FOR ANY TASKLumo handles everything from quick questions to more complex work. Choose Fast…
Screenshots
Latest changes
Lumo 2.1.5 is here, and we’ve chased down a few pesky bugs! We’ve fixed issues with signing in, payments, and file downloads, and reduced memory usage. Less hiss, more purr. 🐾
Infobox
| Package name | me.proton.android.lumo |
|---|---|
| Developer | Proton AG |
| Developer website | proton.me |
| Category | Productivity |
| Installs (exact) | 391,764 |
| Ratings | 3,280 |
| Reviews | 327 |
| Price | Free |
| In-app purchases | $12.99 - $119.88 per item |
| Ads | No |
| Content rating | Everyone |
| Current version | 2.1.5-gms |
| Requires Android | 10 |
| Released | Jun 6, 2025 |
| Last update | Oct 21, 2026 |
| Record refreshed | Oct 28, 2026 |
