# whenitsback.com > Free back-in-stock waitlist notification tool for brick-and-mortar retail stores. whenitsback.com helps retail clerks capture customer waitlists and automatically email customers when out-of-stock items become available. No POS integration required. Free forever. Ad-supported. ## What it does - Clerk adds an out-of-stock item to the dashboard (by barcode or name) - Clerk adds customer name and email to the waitlist in under 10 seconds - When the item arrives, clerk clicks "In Stock" - All waitlisted customers receive an automatic email notification - Customers can request a hold via a branded landing page - Store receives each hold request by email ## Target stores Gun counters, sporting goods departments, bike shops, fly shops, boutiques, bakeries, specialty outdoor retailers — any physical retail department managing customer interest in out-of-stock items manually (sticky notes, word docs, spreadsheets). ## Key features - Barcode scanner support (USB and camera) - Batch receiving mode: scan an entire shipment, notify all matched customers at once - Store logo in all customer emails - Activity log for all clerk actions - Unsubscribe link in every customer email (CAN-SPAM compliant) - Hold request pages with Google AdSense ads (revenue model) - No POS integration — works standalone - No SMS — email only ## What it is not - Not an inventory management system - Not a POS integration - Not an SMS tool - Not for e-commerce — built for physical retail only - Not a paid subscription — free for all stores ## Pricing Free for all retail stores. Revenue comes from ads shown on hold request pages. ## Tech stack React (Vite), Tailwind CSS, Supabase (Postgres + Auth), Resend (transactional email), Vercel ## Contact support@whenitsback.com ## Legal Privacy Policy: https://whenitsback.com/privacy Terms of Service: https://whenitsback.com/terms