vioscale
Comparison

Obsidian vs Tettra

On the evidence we track, Obsidian leads this comparison with a composite score of 85/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Obsidian full profile →Tettra full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Attribute comparison across 2 tools
Attribute85ObsidianLeader69Tettra
Vioscale score85 / 100low · 35%69 / 100medium · 59%
Options{"cloud":true,"hybrid":true}{"cloud":true}
LongThe 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.
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"}
Count-4
List-[{"name":"Slack"},{"name":"Google Workspace"},{"name":"Google Docs"},{"name":"Zapier"}]
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"]}
Free tierYesYes
Modelcommercialcommercial
Price levellowlow
Starting gbp48
TransparentYesYes
Sla pct-99.99
Status pageYesYes
Pci-Yes

Capabilities

Feature-by-feature on the axes that matter for knowledge base software. “-” means undocumented, not absent.

Capability comparison for Knowledge Base Software
CapabilityObsidianTettra
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 granularityWorkspacePage
Knowledge
Answer verification / expiry-✓
Deployment
HostingCloud + self-hostedCloud only
Enterprise
SSO / SCIM-✓
Extensibility
Public API✓✓
Pricing
Free tier✓✗

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.

Obsidian vs Tettra: an evidence-based comparison · Vioscale