Quick Answer
60-second read
We’ll say this plainly upfront, because the personal-knowledge-management community reading this will notice immediately if we don’t: Obsidian’s core app is genuinely, completely free — local Markdown files on your device, no account required, no vendor lock-in, unlimited vaults. That’s not a marketing claim, it’s just true, and it’s a real reason people choose it over Notion. Notion’s advantage is different but also real: cloud sync, real-time multi-person collaboration, and a much shallower learning curve for people who don’t want to think about plugins or file structures. As of Obsidian 1.8 (2026), Obsidian finally added real-time collaboration — the community’s most-requested feature for three years — which narrows but doesn’t erase Notion’s collaboration lead. For solo Zettelkasten-style knowledge work, Obsidian wins outright. For team wikis and shared project databases, Notion wins outright.
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This comparison was last updated July 2026, with pricing verified directly on notion.com and obsidian.md. EUR conversions use 1 USD = ~€0.8442 (ECB) and should be treated as approximate — always confirm current rates before subscribing.
Notion vs Obsidian at a Glance
| Category | Notion | Obsidian |
|---|---|---|
| Core app cost | Free tier limited; paid from ~$10/user/month | 100% free forever, no account required |
| Data storage | Cloud-hosted by Notion | Local Markdown files on your device |
| Vendor lock-in | Export possible, but proprietary block format | None — plain Markdown files, readable by anything |
| Optional sync cost | Included in paid plans | ~$4/user/month annual (~€3.38), official Obsidian Sync |
| Real-time collaboration | ✅ Mature, core feature since launch | ✅ New in Obsidian 1.8 (2026), still maturing |
| Bidirectional linking | Basic (page mentions) | ✅ Core feature, built for Zettelkasten-style PKM |
| Extensibility | Limited to Notion’s built-in features and integrations | ✅ 1,000+ community plugins |
| Offline use | Inconsistent, cited weakness | ✅ Fully offline-capable by design |
| Learning curve | Real, but broadly documented | Real, plus plugin/file-structure decisions |
Where Obsidian Wins
For personal knowledge management specifically — Zettelkasten-style atomic notes, dense bidirectional linking, and building a genuine “second brain” over years — Obsidian is built for exactly this, and its community has shaped the tool around it. Notes are plain Markdown files you fully own and control, with zero risk of losing access if a company changes pricing or shuts down. The plugin ecosystem (1,000+ community plugins) lets serious users extend the tool in directions Notion simply doesn’t offer, from spaced-repetition review systems to advanced graph visualization. If privacy, local control, or long-term data ownership matter to you, this isn’t a close call — Obsidian wins clearly.
Where Notion Wins
Team-based, structured work is Notion’s category. Databases with multiple linked views, shared project trackers, and real-time collaborative editing that “just works” without configuring sync or plugins are core to Notion’s design, not bolted on. Obsidian 1.8’s new real-time collaboration is a genuinely welcome addition (and long overdue, per the community itself), but it’s new — expect it to be less mature and less battle-tested than Notion’s collaboration features, which have been core to the product since launch. For a team wiki with multiple non-technical contributors, Notion’s lower setup burden is a real practical advantage.
An Honest Note on Cost
If budget is the deciding factor, Obsidian’s core app is unambiguously the cheaper choice — it’s free with no functional limitations, and the only genuinely optional paid add-ons are Sync (~€3.38/month annual, for multi-device access) and Publish (~€6.75/month annual, for turning notes into a public site). You can use Obsidian seriously, forever, without paying anything, as long as you’re comfortable managing your own file sync (Dropbox, iCloud, Syncthing, etc. all work). Notion’s free plan is generous for personal use, but real team functionality requires a paid plan starting around €8.44/month per user.
Who Wins for Your Use Case
Obsidian wins for: solo knowledge workers, researchers, and writers doing Zettelkasten-style personal knowledge management, anyone who wants local-first data ownership and zero vendor lock-in, and budget-conscious users who don’t need team collaboration.
Notion wins for: teams needing shared databases, project trackers, or wikis with multiple non-technical contributors, and anyone who wants collaboration and sync to work without configuration. See our Notion for content creators guide for a concrete example of Notion’s team-collaboration strengths in practice.
Plenty of people genuinely use both — Obsidian for personal notes and deep thinking, Notion for shared team projects. They’re not mutually exclusive, and framing this as a single winner misses how differently the two communities actually use these tools.
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Start Free with Notion →Frequently Asked Questions: Notion vs Obsidian
Is Obsidian really free?
Yes — Obsidian’s core app is completely free for personal use, with no functional limitations, unlimited vaults, and no account required. The only paid components are optional: Obsidian Sync (~$4/user/month annual) for official multi-device sync, and Obsidian Publish (~$8/site/month annual) for turning a vault into a public website. You can sync manually via Dropbox or iCloud for free instead if you prefer.
Does Obsidian have real-time collaboration now?
Yes, as of Obsidian 1.8 (2026) — real-time collaboration was the community’s most-requested feature for roughly three years before it shipped. It’s new relative to Notion’s collaboration features, which have been core to the product since launch, so expect it to still be maturing rather than as battle-tested as Notion’s equivalent.
Is Notion or Obsidian better for Zettelkasten note-taking?
Obsidian, clearly. Bidirectional linking and a visual graph view are core, purpose-built features in Obsidian, designed specifically around atomic-note, Zettelkasten-style workflows. Notion supports basic page linking but wasn’t built around this methodology the way Obsidian was, and the personal-knowledge-management community has built its plugin ecosystem specifically around this use case.
Can I use Notion and Obsidian together?
Yes, and many people do — using Obsidian for personal notes, research, and deep thinking (where local control and linking matter most), and Notion for shared team projects, databases, and collaboration. They solve different problems well enough that combining them isn’t redundant for a lot of workflows.
Related Resources
- 📊 Notion Review 2026 — Full pricing, features, and honest verdict
- ⚡ Notion vs Evernote — Databases vs simple note-taking
- ✍️ Notion for Content Creators — Content calendars and script databases
