CardBase: Trading Card Prices

CardBase

About this app

Know what every card is worth, and what you actually made.

CardBase turns your collection into a portfolio. Pull real-time prices from across the market, track your true cost basis, and see your profit on every card, trade, and show.

PRICING THAT REFLECTS THE REAL MARKET
Aggregated comps from eBay, TCGPlayer, PriceCharting, and the major graders (PSA, CGC, BGS, TAG), weighted toward recent sales so your numbers actually mean something.

BUILT FOR PEOPLE WHO BUY AND SELL
- Inventory that tracks cost basis through every purchase and trade
- Trade calculator that chains cost basis so you always know your true margin
- Show P&L to see exactly what each event earned you
- Vendor tools to run your table and keep inventory in sync

GRADING, DIALED IN
Population and pricing data across PSA, CGC, BGS, and TAG, right where you need it.

FIND SHOWS AND FELLOW COLLECTORS
Browse the show calendar, spot events and vendors near you, and connect with the community.

EVERYTHING IN ONE PLACE
Prices, cost basis, trades, shows, and grading data in a single app built for collectors and vendors alike.

Whether you collect on weekends or run tables every month, CardBase tells you the one thing that matters: your number.

What’s new

Sign in faster with Continue with Google. You can also connect Google to an account you already have, in Settings under Security and Login. In dark mode, the app now opens straight to black.