Lumo by Proton

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App info

Version :

1.2.6-gms

Category :

Productivity

Update :

October 30, 2025

Installs :

114,014

Developer :

Proton AG

Content Rating :

Everyone

Get it on :

Download APK

App description

Android App Analysis and Review: Lumo by Proton, Developed by Proton AG. Listed in Productivity Category. Current Version Is 1.2.6-gms, Updated On 30/10/2025 . According to users reviews on Google Play: Lumo by Proton. Achieved Over 114 thousand Installs. Lumo by Proton Currently Has 1 thousand Reviews, Average Rating 3.2 Stars

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.

We are currently offering version 1.2.6-gms. This is our latest, most optimized version. It is suitable for many different devices. Free download directly apk from the Google Play Store or other versions we're hosting. Moreover, you can download without registration and no login required.

We have more than 2000+ available devices for Samsung, Xiaomi, Huawei, Oppo, Vivo, Motorola, LG, Google, OnePlus, Sony, Tablet ... with so many options, it’s easy for you to choose games or software that fit your device.

It can come in handy if there are any country restrictions or any restrictions from the side of your device on the Google App Store.

What's New

Refreshed the payments screen with a clearer header and smoother navigation.
Updated UI elements and spacing for a cleaner look across the app.
Fixed several stability issues.
Streamlined the build process and removed unused resources, resulting in faster launches.

Rate and review on Google Play store

3.2

1,244 total

5 31.2

4 17.1

3 17.1

2 11.7

1 23.0

Total number of ratings

Total number of active users rated for: Lumo by Proton

Total number of installs (*estimated)

Estimation of total number of installs on Google Play, Approximated from number of ratings and install bounds achieved on Google Play.

Recent Comments

Lexi Willis

It's okay but I'm somewhat disappointed that this is just a frame of the web version. It can't generate images and you can't directly send photos from your camera without going into your camera app, taking a photo, opening Lumo again, opening the selection menu, and finding the photo. Right now it's very barebones and I wouldn't recommend it. Please Proton, make this review outdated.

Andrew

Works quite well although as others have pointed out, not as well as some of the other options. But honestly it has only just been released, offers actual privacy, and is in a far better state than the competitors when they first launched. Excited to see what Proton can achieve in this space.

Phil

Awesome to see Proton step into the AI space! Hopefully a bundled option with ultimate and AI comes down the road 😅 Biggest thing that has kept me from utilizing AI is most of it feels more like corporate surveillance than a helpful digital companion. Sanctuary not Surveillance.

emcesfedex

I like the overall design of the app and i think they have done a great job with it. However there are some things that could be improved, like the keyboard partially overlaying the prompt box, dark mode missing or the model not being as capable as other models that have billions of dollars in funding behind them. But that aside, it works just fine for what it is meant to do and I don't think it's fair to judge it for what it isn't like others have. I will be looking forward to the next version.

Nuh Nuhh

it's extremely oversensitive to what it will and won't respond to, things that every other AI I've asked had no problem answering. i won't go below three stars because proton is a good company and it's a new product so I'd really like to believe it'll improve over time. I won't go over 3 stars because I paid for this and can't really utilize it and even when a prompt doesn't trigger it's "I can't help with that" it throws a fair amount of errors for reasons it doesn't share.

C

When my system is in Dark Mode, the status bar icons display as white. Please do something about that so I can actually read them. Please adjust the prompt box too, that always displays under the keyboard so I can't see what I'm typing. Please add a themed icon and a dedicated Dark Mode. Other than that it seems pretty alright

Harry Balls

Poor AI compared to the competition. Slower, less effective, more dumb. After being told off for missing out half the European countries when asking for a comparison across the continent, it then continued to make the same mistake. I love Proton's mission but this AI has a long way to go before it's anywhere near ChatGPT/Grok etc.

Marauder Magazine

Decent start. It's still obvious that Lumo is in the early stages and stil being developed. However, given Proton AG's track record of other great products and how they have improved them historically, I am confident they will iron out the deficiencies with Lumo. I look forward to the day I can change this review to 5 stars.