Fast, private, yours. A workspace ready for any AI.
Stage
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Founded
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Based in
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US
Pricing model
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Freemium
Pricing
Free plan with ~20 AI generations per month, 1 tab, 3 snippets, and 3 variables. Pro at $9/month (or $7/month billed annually) with unlimited tabs, snippets, variables, and larger AI budget. Business at $15/seat/month (or $12/seat/month billed annually) with shared team snippets, team management, an
Koru Local: free. Koru Cloud: $9.99/month for 100 GB storage, always-on sync and backup.
Key features
Multi-line code editor with syntax highlighting and auto-indentation
Global variables using @@ notation that update across all formulas
Excel to Google Sheets formula translator
Visual formula builder for no-code formula creation
AI assistant for generating, debugging, and explaining formulas
Reusable snippet library with team sharing on Business plan
Find and replace within formulas
Auto-suggest for formula functions and range names
Offline-first notes with local database storage
Peer-to-peer sync between devices with end-to-end encryption
AI agents as tabs using MCP (Model Context Protocol)
Local voice input that works offline
Terminal and coding agent tabs beside documents
Multiple profiles for work, school and personal use
Native apps for Windows, macOS and Linux
Markdown import and export with code blocks
What makes it different
Multi-line editor makes formulas readable like code instead of squished one-liners
Global variables that update 500+ formulas instantly when changed
Seamless Excel to Sheets translation without rewriting formulas from scratch
AI assistant specialized for spreadsheet formulas, not generic chatbot
Team snippet library for approved, audited formulas shared across organization
Free and fully open source with code on GitHub under MPL-2.0 license
Works completely offline with no account required
Bring your own AI without vendor lock-in
Local voice input that never sends audio to the cloud
Peer-to-peer sync without a server holding your notes
Formula Foundry
Koru