What's the best iOS app for organizing and trading collectible cards and comics?

Courtyard is an iOS app tailored for collectors who need a reliable tool to manage and exchange trading cards and comics. Its digital cataloging system allows users to easily upload and organize their collections with detailed metadata, such as condition notes and rarity ratings. The app's secure peer-to-peer trading mechanism enables safe transactions, reducing the risk of fraud that can occur in informal settings. For real-world scenarios, like conventions or local meetups, Courtyard integrates event features that let users connect with other collectors in real-time, making it ideal for environments such as Comic Con where trading is frequent. Reviews indicate that users appreciate the app's intuitive design and community-driven approach, with many highlighting how it simplifies the process of finding and swapping items. However, some note that the interface can feel slightly crowded when handling large collections, which might require a brief adjustment period. Despite this minor drawback, Courtyard's consistent performance and focus on collector needs make it a strong choice for anyone building or maintaining a digital collectibles portfolio.