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Quick answer (May 2026): After testing both in May 2026: pick Notion vs Obsidian (2026)Different Tools for Different Thinkers if you prioritise depth and integrations; pick the alternative if you prioritise speed and lower seat cost. Full side-by-side breakdown — pricing, features, real-world fit — is below.
Notion and Obsidian both position themselves as "second brain" tools — but they solve completely different problems. Here's the honest breakdown for 2026.
They're not really competitors. Notion is a collaborative workspace — databases, wikis, docs, project management in one SaaS app. Obsidian is a local-first, offline Markdown editor focused on personal knowledge management and graph-based thinking. Most power users end up using both. If forced to pick one: teams → Notion, personal research/writing → Obsidian.
| Plan | Notion | Obsidian |
|---|---|---|
| Free | Yes — unlimited pages, limited team features | Yes — fully featured, personal use |
| Entry Paid | $10/member/mo (Plus) | $10/mo (Sync add-on) or $20/mo (Publish) |
| Business | $18/member/mo | No business plan — per-user pricing |
| Enterprise | Custom | N/A |
| Offline access | Limited (cached) | Full offline, always |
| Data ownership | Cloud only | Local files (Markdown) |
Team wiki or company docs? Start with Notion. Personal research and writing? Obsidian is free and local.