Compare Lumo by Proton vs Frase vs Capacities
| Feature | Lumo by Proton | Frase | Capacities |
|---|---|---|---|
| Description | Lumo is Proton's AI assistant for questions, writing help, and file chats, built so your conversation history stays encrypted and private. A free plan lets anyone try it, and Plus adds unlimited chats for people who want privacy-first help every day. | Frase helps content teams research topics, build briefs, draft with their brand voice, and optimize pages for search and AI answers. Writers stay in charge of the story while the AI handles research and scoring. | Capacities is a notes and knowledge app built around objects and daily notes. The Basic plan stays free, and Pro adds AI assist so you can explore and connect ideas while keeping ownership of your knowledge base. |
| Pricing | Free $0; Lumo Plus $12.99/mo monthly or $9.99/mo billed yearly ($119.88/yr) | 7-day free trial; Starter $39/mo yearly ($49 monthly); Professional $103/mo yearly ($129 monthly); Scale $239/mo yearly ($299 monthly) | Basic free forever; Pro about $9.99/mo; Believer from about $12.49/mo |
| Main category | Chat assistants | Marketing | Research and notes |
| Website | Visit Lumo by Proton | Visit Frase | Visit Capacities |
| Info last checked | October 17, 2026 | October 17, 2026 | October 13, 2026 |
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