Mem AI

About Mem AI

Mem is a San Francisco-based AI note-taking application that takes a fundamentally different approach to organisation: instead of requiring users to file notes into folders or tag them manually, Mem uses AI to automatically surface relevant notes, suggest connections, and make the entire knowledge base queryable through natural language. The core differentiator is Mem Chat — an AI assistant that can answer questions using the user's own notes as context, effectively creating a personalised RAG (retrieval-augmented generation) system over private knowledge. The platform supports rich text notes, task management, bidirectional linking (optional), calendar integration, and web clipper browser extensions. AI features include smart search, automatic summarisation, related note surfacing, and the Mem Chat conversational interface. The AI is powered by a combination of OpenAI models and Mem's own retrieval infrastructure. For compliance-focused European buyers, the key considerations are significant. Mem is a US Delaware corporation with infrastructure hosted in the United States (AWS US regions). There is no EU data residency option. Notes and their content are processed in the US, and the CLOUD Act applies. Mem's privacy policy has historically been less detailed than enterprise-grade tools regarding data handling for AI features, and buyers should review the current terms carefully before deploying it for sensitive professional content. Mem offers a personal plan at $14.99/month and a Teams plan for collaborative use. It does not offer enterprise SSO, advanced audit logging, or the security controls typically required for regulated-sector deployment. It is best suited for individual knowledge workers and small teams who prioritise AI-assisted recall and organisation over strict data governance. For European buyers with data sovereignty requirements, Capacities (German) or Logseq (local-first open source) are stronger alternatives. For US or globally operating teams without strict sovereignty needs, Mem's AI-native organisation approach is genuinely differentiated in the note-taking market.