Lumo by Proton Alternatives

Apps similar to Lumo by Proton include ChatGPT, which has a free version. Other options are DeepSeek, Mistral Vibe, Claude and Perplexity. There's no shortage of AI Chatbots like Lumo by Proton, with more than 100 alternatives for the web, Android, Mac, Windows and iPhone.

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Most Lumo by Proton alternatives are AI Chatbots, but you can also narrow the list to Large Language Model (LLM) Tools or AI Writing Tools. Another popular filter is Open Source.
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Alternatives
Lumo by Proton alternatives page was last updated

Alternatives list

  1. KamuAI icon
     Like

    Privacy-focused AI chat assistant compatible with Windows, Mac, and Linux. Operates completely offline or with EU-hosted models, never uploads data, keeps chats secure, supports multiple tabs, prompt libraries, organized conversations, and flexible usage-based pricing.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Windows
    • Mac
    Good alternative?
     
  2. SleepAI.com icon
     4 likes

    SleepAI.com is your gentle AI sleep companion.It adapts to your sleep and emotions, providing intelligent guidance and continuous optimization. Experience true personalization for better sleep, night after night.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • iPhone
    • iPad
    Good alternative?
     
  3. HackerAI icon
     2 likes

    HackerAI is an AI-powered penetration testing assistant designed to help users ask, learn, and brainstorm security insights efficiently.

    53 HackerAI alternatives

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Windows
    • Mac
    • Linux
    Good alternative?
     
  4. OfflineGPT icon
     1 like

    OfflineGPT is a fully offline AI app for Android that runs large language models, image generation, and voice input directly on your device. No internet connection, no cloud, no data ever leaves your phone.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Android
    Good alternative?
     
  5. Solidagent icon
     1 like

    solidagent is a privacy-focused AI assistant that runs entirely on European infrastructure. Unlike traditional AI services, we host powerful open-source models fully on EU servers, ensuring your data never leaves the EU.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    Good alternative?
     
  6. Arcee icon
     1 like

    An AI-powered chat interface designed for exploring advanced topics like quantum computing, programming, and emerging AI trends through interactive conversation.

    Cost / License

    Platforms

    • Online
    • US flagUnited States
    Arcee screenshot 1
    Good alternative?
     
  7. Wizey icon
     1 like

    Ever stare at lab results feeling lost? Wizey turns confusion into clarity. Upload any report and get personalized, research-backed explanations in plain English. See what patterns matter, which doctor to see, and how to prepare for your appointment. Private, instant, simple.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • iPhone
    • iPad
    • Online
    • Android
    Good alternative?
     
  8. CRYPTO5 icon
     Like

    A multi-agent, AI-powered crypto research platform (read-only) that unifies market, on-chain, news, sentiment, and dev activity into actionable insights in minutes with verifiable citations.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    Good alternative?
     
  9. Sigma Chat icon
     2 likes

    A chat platform from Sigma AI that aims to serve as a cheaper alternative to ChatGPT.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    Good alternative?
     
  10. ElysianNodes.uk is a bot/web host that has free plans that are decent. Their free webhosting plan supports wordpress and has decent DDoS protection. They also have an AI platform at https://elysiannodes.uk/ai.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    Good alternative?
     
  11. Spoton AI icon
     Like

    Sovereign AI orchestration platform for enterprises. Centralize GPT, Claude, Gemini and Mistral in one unified interface with 100+ business-ready AI agents. GDPR-compliant, European-hosted.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Software as a Service (SaaS)
    • Online
    Good alternative?
     
  12. Secret AI icon
     1 like

    Experience private offline AI chat with no internet connection required. Secret AI is a secure local LLM chatbot and local AI assistant that runs entirely on your device - your conversations stay 100% private with zero data collection, no servers, no account required, no...

    12 Secret AI alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Android
    • iPhone
    • iPad
    • Android Tablet
    Good alternative?
     
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