This page is not an official page of the app or its developer, but an independent editorial publication created for informational and commentary purposes. Unless expressly stated otherwise, neither the app nor its developer is affiliated with, endorsed by, sponsored by, authorized by, or otherwise officially connected with MWM, Apple, Google Play, the app publisher, or the app's developer, and nothing on this page implies that the app was developed using MWM's services. Any trademarks, logos, screenshots, and other content remain the property of their respective owners.
Lumo AI by Proton
Finally, an AI that guards your data. Lumo AI by Proton offers a shield against the pervasive data grabs of typical AI, giving users true digital autonomy.
Downloads
100k+User Rating
Total Ratings
591Publisher
Category
ProductivityLocales
11Latest Version
1.2.9Size
37.2 MBFirst Released
Jul 23, 2025An analysis of Lumo AI's core offerings, tailored for users prioritizing digital security and data sovereignty in their AI interactions.
Lumo AI by Proton: A Privacy-Centric Evaluation
Privacy-First AI Design
The app provides an AI assistant engineered with a strong emphasis on user privacy, ensuring data protection and minimizing collection, which is a core concern for its target users.
Open-Source Transparency
This tool features an open-source code base, allowing for public scrutiny and verification of its security and data handling practices, fostering trust and transparency for privacy-conscious users.
Trusted Proton Development
It leverages the strong reputation of Proton, a trusted provider of encrypted services, offering an inherent layer of credibility and reliability for secure digital interactions.
Secure Productivity & Learning
The app allows users to enhance productivity, learning, and stay informed, all while guaranteeing that their data remains private and secure, merging utility with strict privacy standards.
Frequently Asked Questions
Everything you need to know about Lumo AI by Proton
What is Lumo by Proton?
Lumo is a privacy-first AI assistant from Proton. It helps users stay productive and informed without compromising privacy, built by the team trusted by over 100 million people.
Does Lumo AI ensure user privacy?
Yes, Lumo is designed as a privacy-first AI assistant. It actively protects user data, stating all interactions are confidential, ensuring no privacy compromise.
Is Lumo by Proton an open-source application?
Yes, Lumo by Proton is an open-source application. Its code base is publicly available, promoting transparency and allowing for independent security review.
Does Lumo use end-to-end encryption for chats?
Yes, Lumo implements end-to-end encryption for all chats. This ensures that user conversations remain secure and private from unauthorized access.
Is sign-up required to use Lumo by Proton?
No, Lumo by Proton does not require a sign-up. Users can begin using the AI assistant immediately without creating an account, emphasizing ease of access and privacy.
Can I delete my chat history in Lumo?
Yes, Lumo allows users to delete their chat history at any time. This feature provides complete control over personal data and conversations within the app.
Does Lumo share user data?
No, Lumo explicitly states it shares no user data. This commitment reinforces its privacy-first design, ensuring conversations remain private.
Where is the Lumo app developed?
Lumo is built and based in Europe. This indicates adherence to European data protection standards and regulations.
Can Lumo by Proton summarize documents?
Yes, Lumo by Proton can summarize documents, including PDF files. Users can upload their documents and request the AI assistant to provide concise summaries.
Does Lumo offer on-device processing?
Yes, Lumo offers private and on-device processing. This feature enhances user privacy by performing certain tasks directly on the device.
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This page is not an official page of the app or its developer, but an independent editorial publication created for informational and commentary purposes. Unless expressly stated otherwise, neither the app nor its developer is affiliated with, endorsed by, sponsored by, authorized by, or otherwise officially connected with MWM, Apple, Google Play, the app publisher, or the app's developer, and nothing on this page implies that the app was developed using MWM's services. Any trademarks, logos, screenshots, and other content remain the property of their respective owners.





