Best Lumo AI by Proton alternatives: apps like Lumo AI by Proton

10+ similar apps compared and reviewed

4.4 avg rating
10 free apps
Updated November 2026

Looking for something like Lumo AI by Proton? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

KobCard

KobCard by KOB MARKETING

Gift Card Information Platform
4.1(377 ratings)
Free
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KobCard is a comprehensive gift card information platform that offers real-time exchange rates, price calculations, and the latest news on gift cards. It serves as a one-stop destination for individuals looking to buy, sell, or stay informed about the world of gift cards.

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Top Alternatives to Lumo AI by Proton

Standard Notes#1

Standard Notes by Standard Notes Ltd.

End-to-end encrypted notes
Editor's Choice
📊 Productivity
4.7😊(3.8K ratings)
FreeIn-App Purchases
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Securely capture and sync your thoughts across all devices with end-to-end encryption. This app offers a simple, lasting place for all your notes, from personal thoughts to sensitive information, with robust privacy features.

What We Love

  • 🚀 Fast and reliable sync
  • 🔒 Excellent privacy and security
  • 👍 Simple and intuitive interface
  • 📚 Great for organizing notes
  • 💻 Cross-platform availability

Room to Improve

  • 🐛 Occasional bugs and crashes
  • 🔑 Frustrating login/authentication issues
  • 💰 Expensive premium subscription
  • 📱 Limited features in free version
  • 🖍️ Lack of formatting options
Tuta Mail: Secure Email#2

Tuta Mail: Secure Email by Tutao GmbH

Encrypted Private Inbox
Strong Contender
📊 Productivity
4.7😐(3.8K ratings)
FreeIn-App Purchases
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Secure your communications with an encrypted email service offering end-to-end encryption for emails and contacts. Enjoy features like anonymous registration, an ad-free experience, and a free encrypted calendar. Protect your privacy with a service developed and hosted in Germany.

What We Love

  • 🔒 Secure email service
  • 💡 Encrypted subject lines and contacts
  • 👍 Clean and simple interface
  • 🚀 Reliable and fast
  • 🔒 End-to-end encryption
  • 💰 Affordable paid plans

Room to Improve

  • 🐛 Occasional app crashes
  • 🐛 Inconsistent email delivery
  • 🐛 Unreliable search functionality
  • 🐛 Inability to export emails
  • 🐛 Frequent app disconnections
  • 🐛 Small font size issues
Bitwarden Authenticator#3

Bitwarden Authenticator by Bitwarden Inc

Generate 2FA on your device
Worth Considering
📊 Productivity
3.5😐(95 ratings)
Free
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Generate time-based one-time passwords for two-factor authentication on any website or application. This tool provides an extra layer of security for your accounts, ensuring your identity is verified and sensitive data remains protected from unauthorized access.

What We Love

  • 👍 Good start
  • 🚀 Supports export and import
  • 🔒 Backed by a trusted company
  • 💡 Dedicated authenticator app

Room to Improve

  • 🐛 Crashes on launch
  • 🐛 Search function not working
  • 🐛 Backup not working as expected
  • 🐛 Compatibility issues with older devices

More apps like Lumo AI by Proton

4
Yubico Authenticator
Yubico Authenticator
Yubico Authenticator
2FA with YubiKey
Free

Secure your online accounts with hardware-backed two-factor authentication. Store unique credentials on a physical security key, eliminating the need to store sensitive data on your mobile device. Generate verification codes without an internet connection for enhanced account protection.

Hardware-backed security key storageTouch or NFC authenticationUSB-C support
📊 Productivity
(287)
free
5
Notesnook: Private notepad
Notesnook: Private notepad
Notesnook: Private notepad
Encrypted notes & secure vault
Free

This open-source app offers secure, encrypted note-taking and organization across all your devices. It features a robust editor, to-do lists, and a private journal with advanced security to protect your personal information.

Military-grade encryptionCross-platform synchronizationTo-do lists and task management
📊 Productivity
(688)
free with in-app purchases
6
Locally AI by LM Studio
Locally AI by LM Studio
Locally AI by LM Studio
Local & Private AI Assistant
Free

This app allows you to run powerful AI models directly on your iPhone or iPad without an internet connection. Enjoy complete privacy as no data is collected or sent to servers. It's optimized for Apple devices, offering fast and private AI interactions.

Run AI models offlinePrivate and no data collectionSupports Llama, Gemma, Qwen, and more
📊 Productivity
(1.9K)
paid
7
Vibe by Mistral (ex-Le Chat)
Vibe by Mistral (ex-Le Chat)
Vibe by Mistral (ex-Le Chat)
Your AI agent for daily tasks
Free

This AI assistant enhances productivity and personal life with advanced reasoning, research, and creative image generation. It understands natural language and offers multilingual support, real-time news, and document OCR.

Web and journalistic source searchReal-time news updatesDocument OCR with multilingual support
📊 Productivity
(1.3K)
free with in-app purchases
8
Raycast: Keyboard, AI and more
Raycast: Keyboard, AI and more
Raycast: Keyboard, AI and more
Productivity on the go
Free

This mobile app extends your desktop productivity workflow with AI chat, note-taking, quick links, and code snippets. Seamless cloud sync keeps your content updated across devices, making essential tools accessible anywhere.

AI chat with multiple modelsNote capture and organizationQuicklink access
📊 Productivity
(252)
free with in-app purchases
9
Anytype - The Everything App
Anytype - The Everything App
Anytype - The Everything App
Where no one is in between
Free

This app unifies conversations, documents, notes, files, and databases into a single, private application. It offers powerful, local-first collaboration with end-to-end encryption, offline access, and secure cross-device syncing, ensuring your data always remains yours.

Unified workspace for conversations, docs, notes, files, and databasesEnd-to-end encrypted and offline accessibleLocal-first collaboration
📊 Productivity
(252)
free with in-app purchases
10
Obsidian Web Clipper
Obsidian Web Clipper
Obsidian Web Clipper
Save the web. Own your data.
Free

Save web content directly to your personal knowledge base for offline access. Organize research, recipes, articles, and more with customizable templates and smart triggers. Your data is private, secure, and stored locally in durable Markdown format.

Clip any web contentSelect page content or extract main articleCustomizable templates for metadata
📊 Productivity
(105)
free