Undercity

Content rating
Everyone
100+
Downloads
Content rating
Everyone
Users Interact
Learn more
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About this app

Undercity is the ultimate marketplace for trading card game (TCG) collectors and hobbyists. Buy, sell, and trade cards, collectibles, and hobby items directly with other collectors in your community.

Built for collectors, by collectors
Whether you're hunting for that missing card to complete your set, or looking to move duplicates from your collection, Undercity connects you with the right people.

What you can do:
• List items for sale or trade in seconds
• Browse a curated marketplace of TCG cards and collectibles
• List items for Auction
• Make and receive offers directly from listings
• Message sellers and buyers securely in-app
• Build your collector profile and reputation
• Earn a collector rating based on your trade history
• Follow other collectors and discover their collections

Trusted community
Every user has a public collector rating so you always know who you're dealing with. Trade with confidence.

Undercity is currently focused on the South African collector community, with plans to expand.
Updated on
Jun 2, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Device or other IDs
This app may collect these data types
Personal info, Financial info and 3 others
Data is encrypted in transit
You can request that data be deleted