Deka - The Hobby, Connected

Deka is the app for trading card collectors in Europe. Build your collection, track prices in euros, and buy, sell, and trade with other collectors. Collection — Add Pokémon, MTG, and Sports cards. Track condition, grades, variants, serial numbers, and values. Browse by set and filter by rarity. Live Prices — Look up current market prices across Pokémon, MTG, and Sports. Price history charts for sports cards, plus watchlists and price alerts. Marketplace — List cards for sale, accept cash offers, or trade card-for-card. Smart matching finds collectors who want what you have. Social — Share your pulls and connect with the community through a feed, stories, comments, DMs, and group chats. Built for European collectors. Free to use — no subscription required.