Obsidian vs Spacesheep
Obsidian and Spacesheep are both personal productivity tools. Obsidian is aimed at freelancers and developers, while Spacesheep is aimed at developers and small businesses. Spacesheep costs less, from $4.50/mo versus $5/mo for Obsidian. Both have a free plan.
Local-first markdown knowledge base
Workspace where AI agents publish versioned docs, dashboards and apps
| Pricing | Freemium · $5 | Freemium · $5 |
| Starting price | $5/mo | $4.50/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Built for | Freelancers, Developers, Creators | Developers, Small businesses, Freelancers |
| Platforms | macos, windows, linux, ios, android | web |
| Country | CA · 2020 | US · 2026 |
| Rating | — | — |
Choose Obsidian if
Individuals, researchers and writers who want ownership, longevity and deep customization.
- You own your files; works offline forever
- Free for personal and commercial use
- Unmatched extensibility through plugins
Look elsewhere if: Teams needing shared, collaborative documents or users who want a zero-setup tool.
Choose Spacesheep if
Developers and small teams that produce documents and prototypes with AI agents and need a cheap place to share and iterate on them.
- Very low prices, starting at $4.50 a month
- Works with many agents including Claude Code, Codex, Cursor and ChatGPT
- Generous Free plan with no card required
Look elsewhere if: Teams that want a mature wiki and database or a polished deck tool (Notion, Gamma).
Obsidian vs Spacesheep pricing
Obsidian
- Free$0Full app, personal and commercial use
- Sync$5/user/mo$4 billed annually; E2E encrypted sync
- Publish$10/site/mo$8 billed annually; publish notes to web
- Catalyst$25One-time supporter license, early access
- Commercial$50/user/yearOptional license for organizations
Spacesheep
- Free$025 MB per deploy, 400 publishes/day, 15 signature docs/mo
- Pro$4.50/mo2 GB per deploy, 2,000 publishes/day, unlimited signatures
- Max$9/moPro limits plus Claude builds, Streams sending, 5 cameras
- Team$10/member/moMax limits per member, team sharing and one bill
Obsidian · Key features
- Local Markdown files with bidirectional links and backlinks panel
- Graph view and Canvas for visual thinking
- Bases: database-style views over notes (2025)
- 2,000+ community plugins and themes
- End-to-end encrypted Sync and one-click Publish
- Daily notes, templates, search with operators, mobile apps
Cons
- No real-time collaboration
- Plugin quality varies; setup can rabbit-hole
- Sync and Publish are paid add-ons
Spacesheep · Key features
- Publish agent output as private versioned spaces via MCP or CLI
- Line-level comments with @spacesheep AI revisions
- Full version history with restore
- Sync spaces to Google Drive or GitHub
- Live data and video Streams on the Max plan
- Beta e-signing with SHA-256 hashes and PDF certificates
Cons
- Very young product from a two-person team
- Legal entity not named in the terms or privacy policy
- No annual plans and no free trial of paid tiers
Obsidian vs Spacesheep: FAQ
Which is cheaper, Obsidian or Spacesheep?
Spacesheep starts at $4.50/mo and Obsidian at $5/mo. Both prices are checked on the vendors' own pricing pages.
Do Obsidian and Spacesheep have a free plan?
Yes, both Obsidian and Spacesheep have a free plan; paid plans add more usage and features.
Which is better for small businesses, Obsidian or Spacesheep?
Spacesheep lists small businesses as a core audience, while Obsidian is aimed more at freelancers and developers.