Market Margin

MarketDay Profit is a private, offline profit toolkit for farmers-market vendors, craft sellers, food carts, pop-ups, and other in-person small businesses. - Close out multiple events on the same day - Separate net sales, sales tax, tips, discounts, and refunds - Include card fees, organizer commission, COGS, labor, permits, insurance, and mileage - Compare venue performance by profit, event, and hour - Calculate break-even quantity and sales - Price products from per-item or batch costs, including labor and overhead - Compare a markdown with holding or discarding inventory - Export a full JSON backup and event CSV whenever you choose MarketDay Profit is a paid app with no free version. One up-front purchase unlocks the full app—there are no ads, tracking, or recurring subscriptions. Data stays on the device unless the user chooses to export it. Estimates are for operational planning and are not tax, legal, or accounting advice.