Two tools enter. One verdict — per use case.
Software showdowns with verified pricing, a round-by-round scorecard and an honest split decision. No pay-to-win rankings: commissions never score a round, and every page shows when its facts were last checked.
Featured showdown · read the full verdict
Round-by-round scorecard
Rounds won: 3 – 3
Each round goes to one side or is called even — a filled half means that tool takes the round. How we score
- Round 1 — PriceObsidian takes it
Obsidian's full app is free without limits, even for work; Notion's free plan cripples multi-member workspaces and full AI needs the $20 Business plan.
- Round 2 — CollaborationNotion takes it
Notion offers Google-Docs-style co-editing with unlimited guests; Obsidian is fundamentally single-player.
- Round 3 — Data ownership & offlineObsidian takes it
Obsidian stores plain Markdown on your device and works fully offline; Notion's offline mode (2025) is partial, per-page, and databases cap at 50 rows.
- Round 4 — Databases & structureNotion takes it
Notion's relational databases with synced views remain the benchmark; Obsidian's Bases (2025) narrows the gap but isn't relational.
- Round 5 — ExtensibilityObsidian takes it
Obsidian's thousands of community plugins and open API outclass Notion's more closed platform.
- Round 6 — AINotion takes it
Notion ships first-party agents, meeting notes and enterprise search; Obsidian has no first-party AI — only third-party plugins with your own API keys.
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Why trust a comparison site?
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