Compare Lumo by Proton vs Metricool vs Capacities
| Feature | Lumo by Proton | Metricool | 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. | Metricool helps small businesses and creators schedule posts, analyze results, and track competitors, with an AI assistant for post ideas and copy. A free plan covers one brand, so you can get organized before you grow. | 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) | Free $0/mo (1 brand); Starter from $20/mo; Advanced from $53/mo; Custom plans available | 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 Metricool | Visit Capacities |
| Info last checked | October 17, 2026 | October 17, 2026 | October 13, 2026 |
Loading selector…