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TaglineAI-powered networked notes. Roam with a brain.Voice AI that reads + expresses emotion.Open-source VS Code agent. Reads + writes + runs.Spreadsheets with AI + live integrations baked in.
CategoryProductivityVoiceCodingData
Pricing$10/moFree tier + pay-as-you-goFree (open source) + your API costsFree + $19-$89/user/mo
Best forKnowledge workers + thinkers who want AI in their second brain.Therapy apps, customer service, any voice agent where emotion matters.VS Code users who want agentic coding without changing IDEs.Ops teams, marketers, anyone building dashboards from multiple sources.
Strengths
  • AI auto-links related notes
  • Generates backlinks + summaries
  • Clean, minimal UX
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
Weaknesses
  • Expensive for just notes
  • Smaller community than Obsidian
  • Niche use case
  • Pricing ramps fast
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
Kai's verdictA-tier. Niche but beloved. If you've outgrown Notion, try this.A-tier in its niche. The only one that actually gets emotion right.A-tier. Best free agentic option in VS Code. Use with Claude for best results.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.
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