ardMark is your complete trading card collection and seller management platform.

Whether you're building a personal collection, tracking card values, buying inventory, or running a trading card business, CardMark gives you the tools to organize your cards and understand how your collection is performing.

SMART CARD SCANNING
Quickly identify and add trading cards using your device camera. CardMark helps streamline collection entry so you can spend less time manually searching and more time managing your cards.

COLLECTION MANAGEMENT
Keep your cards organized in one place. Track individual cards, quantities, conditions, purchase information, current values, and more.

PORTFOLIO VALUE TRACKING
See the estimated market value of your collection and monitor how values change over time. Review collection performance and identify cards contributing the most to your portfolio.

BUYING MODE
Evaluate potential purchases before you buy. Search for cards, compare market values, enter purchase prices, and make more informed buying decisions.

SELLER CENTER
Manage inventory built for collectors who also buy and sell. Record purchase and sale information, track cost basis, monitor profitability, and review sales performance over time.

PROFIT & PERFORMANCE TRACKING
Understand what you're actually making on your cards. Track purchase cost, sale price, profit, margins, and historical performance from one dashboard.

MARKET INSIGHTS
Review pricing information and market trends to better understand the cards you own or are considering purchasing.

MULTI-GAME COLLECTION SUPPORT
CardMark is designed for collectors across multiple trading card games, allowing you to manage more of your collection from a single app.

BUILT FOR COLLECTORS AND SELLERS
From your first card to thousands of inventory items, CardMark provides tools that can grow alongside your collection or business.

Scan it. Track it. Value it. Sell it.
Know your cards with CardMark.