Obsidian vs Tettra: Features, Pricing and User Reviews 2026
Compare features, pricing, reviews, and more to make an informed decision
Obsidian
Obsidian is a free note-taking app that connects your ideas using links, creating a personal knowledge network on your device.
Tettra
Tettra is an AI-powered knowledge base that helps teams organize company information and instantly answer repetitive questions.
Obsidian
Obsidian is a free note-taking app that connects your ideas using links, creating a personal knowledge network on your device.
Tettra
Tettra is an AI-powered knowledge base that helps teams organize company information and instantly answer repetitive questions.
Obsidian
Stores notes locally on your device with full privacy
Links notes together to build knowledge networks
Visual graph shows connections between ideas
Canvas for unlimited brainstorming space
Thousands of free community plugins available
Works offline without internet connection
Plain text files you own forever
Mobile apps for phones and tablets
Supports basic text formatting
Free to use with optional paid services
Tettra
AI-powered question answering with Kai assistant
Slack and Microsoft Teams integration
Simple content creation and editing tools
Advanced search with semantic capabilities
Knowledge automation and verification workflows
User roles and permission management
Analytics and usage tracking
API access and custom integrations
Version control and content history
External publishing and sharing options
Obsidian
Obsidian is completely free for personal use with all core features included. You get unlimited notes, full plugin access, and complete control over your data at no cost.
For users who want to sync notes across devices, Obsidian Sync offers two plans. The Standard plan costs $4 per month when paid yearly (or $5 monthly) and includes one synced vault with 1GB storage. The Plus plan costs $8 per month yearly (or $10 monthly) with 10GB storage and unlimited vaults.
Obsidian Publish lets you share notes on the web for $8 per month yearly (or $10 monthly) per site, with custom themes and no technical knowledge needed.
The optional Commercial License costs $50 per user yearly for business use, though it became optional in 2025. For one-time supporters, the Catalyst license at $25 gives early access to beta versions and community perks.
Tettra
Tettra offers flexible pricing plans designed to scale with your team's needs, with all paid plans requiring a minimum number of users.
Pricing plans include:
Basic Plan: $4 per user/month (billed annually) or $5 per user/month (billed monthly). Minimum 10 users, maximum 100 users. Includes essential features like Slack notifications, Q&A system, Google Workspace integration, and web publishing.
Scaling Plan: $8 per user/month (billed annually) or $10 per user/month (billed monthly). Minimum 10 users, maximum 250 users. Adds AI-powered features including Kai assistant, advanced permissions, usage analytics, API access, and unlimited storage.
Professional Plan: $7,200 per year for the first 50 users. Includes everything in Scaling plus dedicated customer success manager, SSO integration, hands-on training, and priority support.
Tettra offers a 30-day free trial for Basic and Scaling plans, with annual billing providing two months free. Educational and non-profit discounts are available.