ListOnce App

Name: ListOnce App
Author: Alyssa Yazel

Multi-platform listing tool

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💼 Business

📊 Productivity

Free

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Alyssa Yazel

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About

Tired of retyping the same listing for Poshmark, eBay, Depop, Mercari, Facebook Marketplace, and Vinted? ListOnce is built for resellers who sell everywhere. WHAT LISTONCE DOES - Generate platform-optimized listings: enter your item once, get six ready-to-paste versions that fit each marketplace's character limits and conventions. - Track real profit, not just sales: log what you paid, your sale price, and where each item came from. See your true margin across every platform. - One public storefront at listonceapp.com/yourname: drop the link in your Instagram bio no matter which app buyers prefer. - Photo-first listings: take photos in the app or pick from your library, up to 8 photos per listing. - Per-platform fee calculator: see your actual net payout on every platform side-by-side, with the best one highlighted. - Custom brand library: type any brand, hundreds built in, new ones get added for everyone. - Real activity feed and inventory dashboard: active listings, sold count, revenue. HONEST ABOUT WHAT IT IS ListOnce is a listing assistant. We do not automatically post to platforms (they do not allow third-party posting). We generate the perfect content; you paste it over in one tap. Mark each platform as posted so we can keep your inventory accurate. DESIGNED FOR REAL RESELLERS Built by a thrift-flipping reseller, for resellers. No bloat, no fake stats, no shady automation that could get your accounts banned. PRIVACY AND CONTROL Your data stays yours. Delete your account and everything is gone instantly. We do not sell your information or use it for ads.

What's New in ListOnce App

1.10.10

July 7, 2026

ListOnce is the smarter way to resell across Poshmark, eBay, Depop, Mercari, and Facebook Marketplace. Built for thrifters, side hustlers, and full-time resellers who want to spend less time listing and more time sourcing. WHAT MAKES LISTONCE DIFFERENT Thrift Scanner with AI Snap a photo of any item at the thrift store, garage sale, or estate sale. ListOnce identifies the brand, looks up live eBay comp prices, and tells you exactly what to pay and whether the item is worth flipping. No more guessing. No more buying losers. One-tap eBay posting Connect your eBay account once. ListOnce posts your listings directly to eBay through their official API, with photos, category, condition, aspects, and price already filled in. No copy-pasting between apps. Auto sales detection When an item sells on eBay, ListOnce detects it and marks it sold in your inventory so you know to delist from other platforms and never double-sell. Peace of mind for cross-listers. Delist and relist End an eBay listing or freshen it up with one tap. Fresh listings get more visibility from eBay's algorithm. Poshmark connection Sign in to Poshmark inside ListOnce. Your session stays connected. Title, description, brand, price, and color auto-fill on your next Poshmark listing so you type less. Profit tracking that actually makes sense Track cost, list price, and sold price for every item. See your realized profit, margin per item, and top-performing platforms in one view. Built for resellers, not generic budgeting. Your own public storefront Every ListOnce seller gets a free public page at listonceapp.com where buyers can browse your active listings, see what platforms you sell on, and reach you directly. Share it on Instagram, TikTok, or Linktree. Where I Sell preferences Tell ListOnce which platforms you actually use. Your listings and storefront only show what you sell where. NO SHADY AUTOMATION ListOnce only connects to platforms through official APIs or your own logged-in session in your app. No stored passwords. No account ban risk. Your accounts stay safe. WHO IT IS FOR Resellers flipping clothes, shoes, accessories, books, electronics, or home goods across multiple platforms. Whether you have 5 listings or 500, ListOnce helps you list faster, source smarter, and track real profit. GET STARTED FREE Create your account in seconds. Add your first listing in under a minute. Connect your eBay account when you are ready to post with one tap. SUPPORT Questions or feedback? Email hello@listonceapp.com. Visit listonceapp.com to learn more.