# Obsidian vs Tettra

**Leader by Vioscale score:** Obsidian

| Attribute | Obsidian | Tettra |
|---|---|---|
| **Vioscale score** | 84.7 (35% (low)) | 69.1 (59% (medium)) |
| deployment.options | `{"cloud":true,"hybrid":true}` | `{"cloud":true}` |
| description.long | The free and flexible app for your private thoughts. Stores notes locally on your device with open file formats and optional cloud sync via end-to-end encrypted Obsidian Sync. | AI-powered knowledge management and internal knowledge base system that helps teams organize scattered knowledge, instantly answer questions with an AI bot, and maintain trusted content through verification workflows. |
| features.capabilities | `{"hosting":"both","free_tier":true,"api_access":true,"local_first":true,"markdown_native":true,"version_history":true,"public_publishing":true,"bidirectional_links":true,"real_time_coediting":true,"permissions_granularity":"workspace"}` | `{"hosting":"cloud","sso_scim":true,"free_tier":false,"api_access":true,"ai_assistant":true,"markdown_native":true,"version_history":true,"public_publishing":true,"verification_expiry":true,"permissions_granularity":"page"}` |
| integrations.count | - | 4 |
| integrations.list | - | `[{"name":"Slack"},{"name":"Google Workspace"},{"name":"Google Docs"},{"name":"Zapier"}]` |
| platform.support | `{"cli":true,"ios":true,"mac":true,"web":true,"linux":true,"android":true,"windows":true}` | `{"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":false,"name":"Sync (billed annually)","summary":"$4/user/month billed annually","features":["End-to-end encryption","Version history","Collaborate on shared vaults","Priority support"],"commitment":"annual","components":[{"kind":"per_unit","unit":"user","amount":4,"period":"month","currency":"USD"}],"description":"Sync notes across devices with end-to-end encryption","contactSales":false},{"free":false,"name":"Sync (billed monthly)","summary":"$5/user/month billed monthly","features":["End-to-end encryption","Version history","Collaborate on shared vaults","Priority support"],"commitment":"monthly","components":[{"kind":"per_unit","unit":"user","amount":5,"period":"month","currency":"USD"}],"description":"Sync notes across devices with end-to-end encryption","contactSales":false},{"free":false,"name":"Publish (billed annually)","summary":"$8/site/month billed annually","features":["Publish notes to the web","No technical knowledge required","Customizable theme","Graph and full text search","Priority support"],"commitment":"annual","components":[{"kind":"fixed","amount":8,"period":"month","currency":"USD"}],"description":"Publish notes to the web","contactSales":false},{"free":false,"name":"Publish (billed monthly)","summary":"$10/site/month billed monthly","features":["Publish notes to the web","No technical knowledge required","Customizable theme","Graph and full text search","Priority support"],"commitment":"monthly","components":[{"kind":"fixed","amount":10,"period":"month","currency":"USD"}],"description":"Publish notes to the web","contactSales":false},{"free":false,"name":"Catalyst","summary":"$25 one-time","features":["Early access to beta versions","Community badges","Exclusive channels"],"components":[{"kind":"one_time","amount":25,"currency":"USD"}],"description":"Support Obsidian development","contactSales":false},{"free":false,"name":"Commercial","summary":"$50/user/year","features":["Support development","Become a featured organization"],"commitment":"annual","components":[{"kind":"fixed","amount":50,"period":"year","currency":"USD"}],"description":"Commercial use license (optional)","contactSales":false}],"summary":"Free core app. Optional: Sync from $4/user/mo (annual) or $5/user/mo (monthly). Publish from $8/site/mo (annual) or $10/site/mo (monthly). 40% discount for students, faculty, and nonprofits.","currency":"USD","freeTier":true,"sourceUrl":"https://obsidian.md","retrievedAt":"2026-08-01T14:59:43.396Z","startingPrice":{"amount":4,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"subscription","plans":[{"free":false,"name":"Scaling","summary":"$8/user/mo with 10 user minimum. 20% discount for annual billing.","features":["AI answers","AI page tagging","AI FAQ generation","Train with Google Docs","Sign in with Slack","Slack notifications","AI answers in DMs and Channels","AI thread summarization","Mine existing answers from Slack","Questions & answers","Unlimited version history","Unlimited storage","External sites","Page requests","Verification","Stale pages report","Unowned content report","Public content report","Zapier integration","API Access","Guest users","Read-only users","Invite-only categories","Page locking","Group permissions","Team usage analytics","Live chat support","SSO & SCIM (paid add-ons)"],"minSeats":10,"commitment":"monthly","components":[{"kind":"per_unit","unit":"seat","amount":8,"period":"month","currency":"USD"}],"description":"For growing organizations looking to scale team knowledge with AI","contactSales":false},{"free":false,"name":"Enterprise","summary":"Custom pricing.","features":["All Scaling features","SSO & SCIM included","Hands-on training","Custom import and onboarding","Custom reporting","Priority support","Custom integrations"],"description":"For companies who want hands-on onboarding and top-tier support","contactSales":true}],"addOns":[{"name":"Single sign-on (SAML)"},{"name":"User provisioning (SCIM)"}],"summary":"From $8/user/mo (10 user minimum, billed monthly). 20% discount for annual billing. 30-day free trial.","currency":"USD","freeTier":false,"sourceUrl":"https://tettra.com","retrievedAt":"2026-08-03T22:57:20.755Z","freeTrialDays":30,"startingPrice":{"amount":8,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | low | low |
| pricing.starting_gbp | 4 | 8 |
| pricing.transparent | yes | yes |
| reliability.sla_pct | - | 99.99 |
| reliability.status_page | yes | yes |
| security.pci | - | yes |

## Capabilities (Knowledge Base Software)

| Capability | Obsidian | Tettra |
|---|:--:|:--:|
| **Collaboration** |  |  |
| Real-time co-editing | ✓ | - |
| **Content** |  |  |
| Structured database / table blocks | - | - |
| Bidirectional links / backlinks | ✓ | - |
| Markdown-native | ✓ | ✓ |
| Version history | ✓ | ✓ |
| **Storage** |  |  |
| Local-first / offline files | ✓ | - |
| **AI** |  |  |
| AI writing / Q&A over content | - | ✓ |
| **Publishing** |  |  |
| Publish pages to the web | ✓ | ✓ |
| **Access** |  |  |
| Permissions granularity | Workspace | Page |
| **Knowledge** |  |  |
| Answer verification / expiry | - | ✓ |
| **Deployment** |  |  |
| Hosting | Cloud + self-hosted | Cloud only |
| **Enterprise** |  |  |
| SSO / SCIM | - | ✓ |
| **Extensibility** |  |  |
| Public API | ✓ | ✓ |
| **Pricing** |  |  |
| Free tier | ✓ | ✗ |

*Source: Vioscale. Generated 2026-08-07T00:02:17.022Z. "-" = undocumented, not absent.*