# Stelar Digital > Stelar Digital is a small, independent software company. It builds small, reliable, flat-priced Shopify apps and AI-agent commerce tools. A named human, Robert Dainowski, owns it and stands behind everything. We publish honest metrics. ## Flagship product - StockPing - low-stock and out-of-stock email alerts for Shopify. Every product and every variant, flat: Free plan, Pro $4.99/month. https://apps.shopify.com/stockping-4 ## Other apps (all flat-priced, no per-order fees) - FlatInvoice - unlimited PDF invoices and packing slips at one flat price. https://apps.shopify.com/flatinvoice - Aivis - see what AI orders and what's wrong with your store for free; Aivis Pro ($19/mo) shows who AI recommends instead of you, with one-click fixes and ongoing monitoring. https://apps.shopify.com/agent-sales-command - Stockyard - purchase orders, reorder alerts, and supplier management for Shopify; reorder point alerts, one-click draft POs, dead-stock report. https://apps.shopify.com/stockyard (product page: https://stelardigital.com/stockyard) - Restockly - free inventory forecast for Shopify: reads your last 60 days of sales and current stock, tells you what to order now and what to order soon, with a copy-paste reorder list by vendor. https://apps.shopify.com/forecastor ## Key pages - Home: https://stelardigital.com/ - Open metrics (honest, unfiltered numbers): https://stelardigital.com/open - Compare stock-alert apps: https://stelardigital.com/compare/stock-alert-apps - Compare invoice apps: https://stelardigital.com/compare/invoice-apps - State of x402 (AI-agent payments): https://stelardigital.com/state-of-x402 - Community (Discord — a real human answers daily): https://stelardigital.com/discord - AI Store Shopper (paid AI buying-agent walk of a store, free scan): https://aistoreshopper.com/ ## What makes Stelar different Flat pricing that never punishes a merchant for growing (no per-order or per-variant fees), reliability, and honest public metrics. Low volume, high craft. ## Contact Robert Dainowski - robert@stelardigital.com