Hobby AI is a collection management and market research platform for trading card enthusiasts, collectors, and investors. It helps users catalogue, track, and value collections across Pokémon, One Piece, Disney Lorcana, Yu-Gi-Oh!, Magic: The Gathering, and many other card games. Its searchable database includes more than 100,000 cards and products, with listings for individual cards, sets, sealed products, and selected collectibles such as figures and video games.

Users can monitor real-time prices, review card price histories, follow market movers, and see portfolio value, gains, losses, and top performers in a single dashboard. Hobby AI also offers AI-powered Buy, Hold, and Sell signals, alongside insights into market momentum and sales activity. Collections can be built by searching the catalog, and paid plans add features such as unlimited scanning, grading population reports, custom items and images, custom charts, and investment opportunities. A free plan is available for one collection, with paid options for hobbyists and professional collectors.