Both are beloved by knowledge workers, but they're built for opposite philosophies. Notion is a team-first cloud workspace; Obsidian is a private, local-first thinking tool.
If you want one tool for docs, wikis, databases and project tracking that your whole team can use — Notion is the most flexible workspace on the market. The learning curve pays off fast.
Try Notion free ↗If you want a private, blazing-fast knowledge base that lives on your own machine, links ideas like a graph, and is yours forever — Obsidian is the gold standard for serious knowledge workers.
Try Obsidian free ↗It depends on how you work. Notion is better for teams, databases and an all-in-one cloud workspace where docs, wikis and projects live together. Obsidian is better for solo thinkers who want raw speed, local-first privacy and to own their notes as plain Markdown files. Many people use both.
Yes — Obsidian is completely free for personal use, including local vaults and most plugins. You only pay for optional add-ons: Sync (end-to-end encrypted, around $4/month) and Publish (turn notes into a site, around $8/month). Commercial use requires a paid licence.
For pure personal note-taking and connecting ideas, many people prefer Obsidian — it's faster, works offline, stores plain Markdown you own, and its graph view surfaces links between notes. Notion is better when your notes need to live alongside databases, shared docs and team projects.
Obsidian. Your notes are plain Markdown files stored on your own device, fully offline by default, so nothing goes to a third-party cloud unless you opt into Sync or Publish. Notion stores your data in its cloud, which is convenient for collaboration but less private.
Yes, and it's a popular combo — Obsidian for private thinking, writing and long-term personal notes, and Notion for team docs, databases and project tracking. Both work with Markdown, so you can move content between them, though formatting and databases don't always transfer cleanly.
Obsidian is great for personal study notes you own forever and can use free, while Notion shines for group projects, databases, templates and sharing. Many students use Obsidian for their own notes and Notion when they need to collaborate.