Small Business Tools
Lunith Commerce OS: the business operating system these tools work alongside. See what's inside
$35.99 intro price through Dec 14, 2026 · $59.99 after
One-time purchase · no subscription.
Optional extras
Two spreadsheet tools for pricing what you sell. Unit Cost Sheet works out what one unit costs you; Offer Math turns that into a list price worked out after fees. Each comes with a PDF guide and works in Excel or Google Sheets. $19 each.
Offer Math
A list price worked out after fees and costs.
Price: $19
Unit Cost Sheet
What one finished unit costs you, line by line.
Price: $19
Know what a sale keeps? Try the free break-even tool: see how many sales a month cover your costs.