BookStackSimple & Free Wiki Software
vs
ObsidianSharpen your thinking. The free and flexible app for your private thoughts.
Comparison · Knowledge Management · weekly run Nov 3
BookStack vs Obsidian
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Obsidian is the stronger AI pick in Knowledge Management: it has a visibility score of 5.2 versus 3.6 for BookStack.
Choose BookStack if…
- Book-like content organization
- Free and open-source with unlimited users
Choose Obsidian if…
- You want the brand AI engines rank higher (5.2 vs 3.6)
- AI answers describe it more positively (50% vs 40% positive)
- Strong for personal knowledge management
- Maximum ownership of your files
AI visibility side by side
Latest weekly run · Nov 3
| Metric | BookStack | Obsidian |
|---|---|---|
| Visibility score | 3.6% | 5.2% |
| Change vs last week | New | New |
| Rank in Knowledge Management | #22 | #17 |
| Share of voice | 1% | 1.1% |
| Mentions this run | 5 | 6 |
| Positive in AI answers | 40% | 50% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
BookStack 0pp · Obsidian 0pp over 0 weekly runs.
Engine by engine
Obsidian leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
BookStackObsidian
Head to head in AI answers
0 engine answers name both brands
0BookStack ranked higher
0Obsidian ranked higher
Features, pricing & fit
| Dimension | BookStack | Obsidian |
|---|---|---|
| Pricing model | — | Per seat |
| Entry price | — | Free; paid from $4 per seat / mo |
| Free plan | — | Yes |
| Deployment | Self-hosted | Local desktop and mobile apps, with optional cloud Sync and Publish add-ons |
| Support | Documentation, Support plans, Community discussions | Discord community, Discussion forum, Help site, Priority support with paid Sync and Publish plans |
| Founded | 2015 | 2020 |
| Headquarters | — | Toronto, Ontario, Canada |
| Employees | — | 1–10 |
| Funding | — | Bootstrapped |
| Best for | Teams that want simple, self-hosted wiki software | Individuals and small teams who want private notes stored locally as plain text files they can keep long term |
Plans side by side
BookStack
Pricing not available.
Obsidian
Free$0forever
Sync$4per user per month, billed annually ($5 billed monthly)
Publish$8per site per month, billed annually ($10 billed monthly)
Pros and cons
Themes from the AI answers that mention each brand
BookStack
- Book-like content organization
- Free and open-source with unlimited users
- Must be self-hosted and maintained by the user
Obsidian
- Strong for personal knowledge management
- Maximum ownership of your files
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “BookStack vs Obsidian”, https://slateindex.ai/compare/bookstack-vs-obsidian, data of Nov 3, 2026. Licence: CC BY 4.0.