---
title: "Lumo AI by Proton — App Overview"
url: https://marlvel.ai/intel-report/productivity/lumo-ai-by-proton
category: Productivity
developer: Proton AG
platforms: ios
rating: 3.7 (385 ratings)
pricing: free
report_level: overview
generated: 2026-04-18
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While users value the privacy-first approach, the app currently faces significant feedback regarding UI usability, feature parity, and technical performance compared to established competitors.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Productivity |
| Rating | 3.7 ★ (385) |
| Pricing | free |
| Platforms | iOS |
| Latest Version (iOS) | 1.2.9 |
| Developer | Proton AG |

<!-- SECTION: Summary -->
## What is Lumo AI by Proton?

Lumo AI is a privacy-focused AI assistant developed by Proton, designed to provide productivity and information retrieval tools. It leverages the company's reputation for encrypted services to offer a secure alternative to mainstream AI models.

<!-- SECTION: Key Features -->
## Key Features

- **Privacy-First AI**: An AI assistant built with a focus on data security and user privacy by the team behind Proton's encrypted ecosystem.
- **Productivity Assistance**: Designed to help users stay informed and productive through AI-driven interactions.
- **Open-Source Foundation**: The application utilizes an open-source code base to maintain transparency regarding its operations.

<!-- SECTION: Target Audience -->
## Who is it for?

Privacy-conscious users seeking a secure AI assistant for daily productivity and information tasks.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/lumo-ai-by-proton/id6746714949?uo=4)
- [Full Intelligence Report](https://marlvel.ai/intel-report/productivity/lumo-ai-by-proton)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/productivity/lumo-ai-by-proton).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*