
SellDeck
Locks eBay and Depop listings during Whatnot shows and tracks show profit
Card Pilot (from $9/mo): Inventory, labels and multi-channel listing for card sellers, incl. Whatnot. The 12 closest tools are listed in the same categories (Inventory & Cross-listing, Live Show Tools). 6 have a free plan or are free.
| App | Pricing | Platforms | Official Whatnot API | Compare |
|---|---|---|---|---|
| SellDeck | Free plan · from $8.99/mo | Web, Chrome extension | Not listed | vs Card Pilot |
| Comp Buddy | Free plan · from $15/mo | Chrome extension, iOS | Not listed | vs Card Pilot |
| Crosslist | From $29.99/mo | Web | Not listed | vs Card Pilot |
| Vendoo | From $14.99/mo | Web, iOS, Android | Not listed | vs Card Pilot |
| Whatnot Seller Analytics - Live Stream Insights | Free plan | Chrome extension | Not listed | vs Card Pilot |
| Whatnot Live Boost | Free plan | Chrome extension | Not listed | vs Card Pilot |
| Whatnot Connector for Odoo (Commercium) | From $239.76/mo | Web | Not listed | vs Card Pilot |
| WhatLabels | Free plan | Chrome extension | Not listed | vs Card Pilot |
| TCG Automate | From $15/mo | Web | Not listed | vs Card Pilot |
| Shopify to Whatnot | Paid | Chrome extension | Not listed | vs Card Pilot |
| CutX | From $24.99/mo | Web, Chrome extension | Not listed | vs Card Pilot |
| Cardikyu | Free plan · from $5/mo | Web, Chrome extension | Not listed | vs Card Pilot |
Prices checked by hand and may change; confirm on each maker's site.

Locks eBay and Depop listings during Whatnot shows and tracks show profit

Sold-price comps for cards you watch on Whatnot streams, in browser or iOS

Universal listing form that publishes to many marketplaces

One inventory list that crossposts and syncs sales, including Whatnot (beta)

Live sales, buyer and profit overlay for Whatnot stream pages

Chrome assistant for Whatnot shows: size detection, queue, buyer CRM, DMs

Odoo app that syncs Whatnot listings, live stock and orders

Live label printing for Whatnot, eBay Live, Poshmark and TikTok Shop

Exports card listings to a Whatnot-ready CSV, auction or Buy It Now


AI card ID and stream comps for Whatnot shows, beta, plans from $5/mo
Missing a tool? Submit it and we'll check it by hand.