Notion vs Obsidian 2026: Which Productivity Tool Is Better?
Notion and Obsidian are not really competing for the same user. If you work with a team, Notion is the clear choice. If you work alone and value privacy, local files, and a knowledge graph, Obsidian is exceptional — and free.
| Feature | Notion | Obsidian |
|---|---|---|
| Free plan | Unlimited pages, 10 guests | Fully unlimited, forever free |
| Real-time collaboration | All plans, unlimited guests on paid | Single-user focus, no co-editing |
| Local / offline storage | Cloud-only, requires internet | Plain .md files, always offline |
| Database / project management | Powerful relational databases | Via community plugins only |
| Knowledge graph / linked notes | Basic backlinks on paid plans | Stunning graph view, core feature |
| Plugin / extension ecosystem | 250+ official integrations | 1,000+ community plugins |
| AI writing assistant | Notion AI add-on ~£6.32/user/mo | Via plugins (e.g. Copilot plugin) |
| Privacy / data ownership | Data on Notion servers (US) | Your device, E2E encrypted sync |
| Mobile apps | Full-featured iOS and Android | Available, local-first on mobile |
| Team permissions / SSO | SAML SSO, advanced permissions | Not available, single-user tool |
| Starting price (paid) | ~£6.32/month (Plus, annual) | Free core; Sync ~£3.16/month |
| Get started | Try Notion Free | Get Obsidian Free |
What Each Tool Is Actually For
The most important thing to understand before comparing Notion and Obsidian is that they are designed for different kinds of users with different working styles.
Notion is an all-in-one workspace built around collaboration. Its core strength is relational databases — you can build project trackers, client wikis, content calendars, and CRM-lite systems without any code. It is cloud-hosted, which means your data is accessible from any device and multiple people can edit in real time. For teams, Notion can replace Trello, Confluence, and Google Docs in a single tool.
Obsidian is a personal knowledge management tool built around plain Markdown files stored on your own device. It works offline, has no server behind it (unless you opt into the paid Sync add-on), and its graph view gives you a visual map of how your notes connect to each other. It is not a collaboration tool. It is a thinking tool — a "second brain" for solo researchers, writers, and knowledge workers who want to own their data indefinitely.
Pricing (GBP)
Notion
Free: Unlimited pages and blocks, up to 10 guests, 5 MB file uploads, 7-day page history.
Plus: approximately £6.32/month per user (billed annually). Unlimited guests, 30-day page history, 100 MB file uploads, and custom domains.
Business: approximately £15.80/month per user (billed annually). SAML SSO, 90-day history, advanced permissions, and teamspaces.
Notion AI add-on: approximately £6.32 to £7.90 per user per month. AI writing, meeting note summaries, and automation agents.
Note: all prices converted at approximately 1 USD = £0.79. Confirm GBP price at checkout.
Obsidian
Free (personal): Unlimited notes locally, all core features, 1,000+ community plugins. No subscription, no time limit.
Sync add-on: approximately £3.16/month (approximately £37.92/year). End-to-end encrypted, version history, syncs across all your devices.
Publish add-on: approximately £6.32/month per site. Publish notes as a website with custom domain support.
Commercial licence: approximately £39.50 per user per year. Required for organisations with 2 or more people using Obsidian for work. Same core app features.
Collaboration
Notion is built for collaboration from the ground up. Multiple people can edit the same page simultaneously, comment on blocks, and receive notifications. The permission system lets you share specific pages with guests at different access levels. For remote UK teams or agencies, this is irreplaceable.
Obsidian has no real-time collaboration. It is a single-user tool. The Sync add-on synchronises your vault across your own devices, but it does not enable co-editing with other people. If your workflow requires even occasional sharing or joint editing, Obsidian is the wrong choice.
Privacy and Data Ownership
Obsidian wins this dimension clearly. Your notes are plain Markdown files on your hard drive. You can open them in any text editor. They will be readable in 50 years. The optional Sync add-on uses end-to-end encryption, which means even Obsidian's servers cannot read your data.
Notion's data lives on US-based servers. For UK users with privacy concerns — particularly post-Brexit when data-transfer frameworks remain subject to change — this matters. Notion is GDPR-compliant, but your data is not on your device.
When to Choose Each
Choose Notion if you work with a team, manage projects with clients or colleagues, or need an all-in-one workspace that replaces multiple tools. Also choose Notion if you want Notion AI's native integration for meeting notes and workflow automation.
Choose Obsidian if you are a solo researcher, writer, or student building a personal knowledge base. Choose it if you want offline access, data privacy, or a long-term note-taking system that is not dependent on any company's continued existence or pricing decisions.
Also Consider: All-in-One Business Funnels
If you are using productivity tools to organise a content business or online venture, Systeme.io is worth a look alongside Notion. It combines sales funnels, email marketing, and digital product delivery in one platform — free plan included. Try Systeme.io free if you are building something to sell online.
Frequently asked questions
Is Notion or Obsidian better for productivity?
It depends on whether you work alone or with others. Notion is better for teams: it offers real-time collaboration, relational databases, and integrations. Obsidian is better for solo knowledge workers who want local storage, privacy, and a visual knowledge graph. They are complementary tools, not direct replacements.
Is Obsidian completely free?
Yes, for personal use. The core Obsidian app is free forever with no subscription required. The paid add-ons are Sync (~£3.16/month for encrypted cross-device sync) and Publish (~£6.32/month to publish notes as a website). You can use the full app indefinitely without paying.
Why is Notion not free forever?
Notion's free tier is generous — unlimited pages and 10 guests — but restricts file uploads (5 MB) and page history (7 days). Paid plans start at ~£6.32/month (Plus, annual) and unlock unlimited guests, longer history, and advanced features. There is no limit on notes themselves on the free plan.
Can you use Notion offline?
Not reliably. Notion is a cloud-first product that requires an internet connection for most features. Previously-viewed pages may be cached locally, but the app is not designed for offline use. If offline access is a requirement, Obsidian is the correct choice.
Is Obsidian safe for sensitive notes?
Yes. Obsidian stores notes as plain Markdown files on your own device. They never touch a server unless you enable the paid Sync add-on, which uses end-to-end encryption. For privacy-sensitive personal notes — health tracking, financial records, diary entries — Obsidian is the only responsible choice between these two tools.