Lumo by Proton

Name: Lumo by Proton
Rating: 3.7326732 (3342 reviews)
Author: Proton AG

Proton AG

★ 3.7 (3,342 ratings)

⬇ 100,000+ downloads

Est. actual: 398,495

Free

Released: Jun 6, 2025

IAP: $12.99 - $119.88 per item

No ads

Rated: Everyone

Signals

4 this week · 2 positive · 1 warning All of this week's signals →

📈Last 7 days +8.6K installs — 56% slower than the week before (+20K) · 1.2K/day since Sep 26
🏆Among Productivity apps top 1% by installs gained this week (720 peers growing)
⭐Rating steady at ★ 3.73 since Sep 26
🛠Updates actively updated · updated 21 days ago · every ~14 days (3 updates tracked)

Installs since launch

+46,671 installs · +293 ratings since Sep 26

Update history

2.1.5-gms Oct 21, 2026 · seen Oct 24, 2026

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. 🐾

2.1.4-gms Oct 1, 2026

Lumo now lands on its feet when you sign in, with a fix for a crash some of you hit when logging into your account. 😺

2.1.3-gms Sep 23, 2026 · seen Sep 26, 2026

- Fixed the system theme: Lumo now correctly follows your device's light or dark mode, including at startup.<br>- Fixed account switching: the app now opens on the account you have selected, instead of sometimes loading the last-used one.<br>- Improved sign-in: after entering a second-factor code you now go to the correct password screen, and "Reset backup password" can be reached fr

Lumo by Proton is a productivity app by Proton AG with 100,000+ downloads (about 398K estimated). +8.6K installs in the last 7 days. Rated 3.7 from 3.3K ratings. Released Jun 6, 2025. Install growth, rank history, SDKs and ad networks.

From the store listing: “"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.…”