Cardbase is a free Android app developed by Collectbase Inc, designed to help sports and non-sports card collectors manage their portfolio with ease. The app boasts the largest and most accurate database of over 13.5 million cards in the industry, including Baseball, Football, Boxing, Golf, Basketball, Hockey, Wrestling, Soccer, and non-sports trading cards.

With Cardbase, you can track up to 100 cards for free and manage unlimited cards in your portfolio. The app provides daily updates of the latest sold items from over 30+ sites and marketplaces, keeping you informed about the dynamic pricing and value of your collection.

Cardbase offers a simple 3-step process for adding sports cards to your portfolio and allows you to store important metrics for each card at your fingertips. The app also features sports cards sales charts, profit/loss and change in value overview, release calendar, hot deals, watchlist and favorites, player and set indexes, and convenient transaction tracking.

Overall, Cardbase is the perfect tool for sports card collectors, investors, traders, and anyone interested in the hobby. With its huge database, convenient management, and important metrics, Cardbase is the ultimate app for tracking and managing your sports and non-sports card collection.