Best Knowledge Base Software · head-to-head
Notion vs Slab
A sourced, side-by-side comparison for knowledge base software. Notion has the lower entry price. Every figure links to the vendor's own page and the date we captured it.
At a glance
- Price: Notion $0/mo vs Slab $0/mo — Notion is cheaper to start.
- Free tier: Notion Yes; Slab Yes.
- HIPAA: Notion Yes; Slab No.
Side by side
| Notion | Slab | |
|---|---|---|
| Entry price | $0/mo (Free) | $0/mo (Free) |
| Free tier | Yes | Yes |
| HIPAA (BAA) | Yes | No |
| SOC 2 | Yes | Yes |
| GDPR | Yes | Yes |
| Best for | All-in-one teams replacing separate wiki, project tracker, and notes apps | Engineering and product teams wanting GitHub-native documentation |
Sources — Notion: notion.com (verified 2026-06-14). Slab: slab.com (verified 2026-06-14).
Key features
Notion: Databases with subtasks, relations, and multiple views (table, board, calendar, gallery); Notion AI with zero LLM-provider data retention on paid plans; SAML SSO and SCIM user provisioning (Business and above); ISO 27001, 27701, 27017, 27018 certified infrastructure; HIPAA available on Enterprise with signed BAA
Slab: Unified search across Slab and integrated tools (Google Docs, Sheets, Slides sync); GitHub live markdown sync with inline Issue previews; Topic-based hierarchical organization with staleness signals; Real-time co-editing with overwrite prevention; Admin content-health insights (stale content detection)