Stop guessing. Start knowing exactly what you made.
Inventory management, AI pricing with eBay comps, show planning, and profit tracking — built for Whatnot sellers who want real numbers, not spreadsheets.
Free to Start
Sales Tracking
Setup — No Spreadsheets
Inventory. Pricing. Shows. Marketplaces. Profit. One dashboard built for serious sellers.
Track every item with photos, SKU, cost basis, and categories. Bulk CSV import, status tracking (draft, ready, live, sold), and quick-add mode for fast entry.
Get instant AI price estimates from photos and descriptions. Real-time eBay sold listings via official API for accurate market comps. Price history tracking.
Schedule Whatnot shows, assign items with drag-and-drop ordering, and generate printable prep sheets with QR codes for instant lookup during live selling.
Connect eBay, Etsy, Mercari, and Depop. Sync listings, track where items are listed, and manage cross-platform inventory from one dashboard.
Import weekly payout reports and sales history CSVs. Auto-match to inventory, track every transaction, and reconcile payouts automatically.
Revenue by show, category performance, sales channel breakdown, geographic analysis, and trend charts. See what's working and double down.
Track cost basis, sold price, and see real profit per item. Expense tracking, period locking, and profit breakdowns by show or category.
Generate and batch print QR code labels. Scan during shows for instant item lookup — find storage location, price, and details in seconds.
Track customer lifetime value, purchase history, order frequency, and category preferences. Identify repeat buyers and your most valuable customers.
See exact fee breakdowns — platform commission, processing fees, tips, refunds, shipping charges — with automatic transaction matching.
Monitor competitor eBay listings. Get alerts on price changes and track items you want to buy or compare pricing against.
Comprehensive help center with guides, glossary of terms, and contextual tooltips throughout the app. Get help exactly when you need it.
No spreadsheets. No manual entry. Just your real numbers.
Sign up free in seconds. No credit card required to start.
Import items via CSV or add them manually with photos.
Upload your Whatnot payout reports to track sales and fees.
Plan shows, track sales, and watch your profits grow.
Start free. Upgrade when you need more.
Free forever
or $99/year (save 17%)
or $249/year (save 17%)
Real sellers tracking real profit.
"Finally, a tool built FOR Whatnot sellers! The AI pricing saves me hours every week. I used to spend forever researching comps - now I get instant estimates."
"The buyer directory changed my game. I can see who my repeat customers are, what they buy, and when they last purchased. My retention has skyrocketed!"
"Show planning is a game changer. I prep my shows in advance, have my items organized, and the QR labels let me find anything instantly during live."
Common questions from Whatnot sellers.
Whatnot seller software like SellDeck helps you track sales, manage inventory, calculate profit after fees, and analyze your livestream performance — replacing spreadsheets with automated tools built specifically for Whatnot sellers.
Import your Whatnot payout reports into SellDeck. We automatically parse every transaction, calculate fees, and show your true profit after platform fees, shipping, and tips. No manual data entry required.
Yes. SellDeck supports importing Whatnot weekly payout CSVs. We automatically match transactions, break down fees, and reconcile your payouts so you can see exactly what you earned.
SellDeck's Whatnot profit calculator tracks your cost of goods, platform fees, shipping costs, and tips. You'll see your true margin on every sale and across your entire business.
SellDeck works for all Whatnot seller categories — sports cards, trading cards, comics, Funko, sneakers, vintage fashion, and collectibles. If you sell on Whatnot, SellDeck is built for you.
Yes. Our free plan includes up to 50 inventory items, 2 shows per month, and basic reporting. Upgrade when you need unlimited inventory, AI pricing, and full Whatnot analytics.
Stop guessing. Start tracking Whatnot sales, fees, and margins — free.
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