Grail Swap
Buy, sell & trade TCG cards
About
Manage your trading card collection, track its value, and connect with other collectors. Buy, sell, or trade cards locally or through multi-person trade loops. Features AI-powered scanning and real-time market data.
What's New in Grail Swap
1.0.3
August 18, 2026
FAQ
What is Grail Swap?
Grail Swap is a marketplace and collection manager designed for trading card collectors. It allows users to catalog their collection, track its estimated value, and buy, sell, or trade cards with other collectors.
How does Grail Swap help manage my collection?
You can catalog your collection by adding details such as condition, grading (PSA, BGS, CGC, etc.), photos, and notes. The app provides an estimated portfolio value with a per-card breakdown and price sources.
Can Grail Swap identify my cards automatically?
Yes, Grail Swap features an AI-powered scanning tool. You can point your camera at a stack of cards, and the AI will rapidly capture and fill in the details for you to verify.
How does trading work on Grail Swap?
Grail Swap offers a 'TradeSquare' for buying, making offers, or trading. It also supports 'Chain trades,' which find multi-person trade loops so that three or more collectors can each get a card they want, even if a direct swap isn't possible.
Does Grail Swap show market prices for cards?
Yes, the app provides market values based on current eBay asking prices. It shows the source of the price and matching listings for transparency.
Can I make local deals through Grail Swap?
Grail Swap facilitates local deals, allowing you to meet in person to exchange cards. Payment can be handled directly with the seller using cash, Zelle, or Venmo.
Is Grail Swap safe to use?
Grail Swap has a zero-tolerance policy for objectionable content. Users can report or block listings, messages, or other users, and reports are reviewed by the team within 24 hours.
What devices does Grail Swap support?
Grail Swap is available for iPhone and iPod devices.
