Collectr

Collectr is one of the best apps for collectors who want to treat their cards like a real portfolio. It lets you track raw, graded, and sealed products, which makes it especially useful if your collection includes more than just singles in a binder. You can add cards, monitor values, and get a clearer view of how your collection is changing over time.

This is a great fit for any kind of TCG collectors because it supports the kind of mixed collection you probably already have or are interested in. You might own Pokémon singles, Magic cards, Yu-Gi-Oh! staples, sealed boxes, graded cards, and newer TCG products all in the same collection. Collectr helps bring that together in one place instead of forcing you to track everything with spreadsheets or separate notes.

The portfolio view is the main reason to try it. It gives you a better sense of what you own and what it may be worth, which is hard to do manually once your collection grows. It’s also handy if you like seeing your collection as a long-term hobby asset rather than just piles of cards stored in different boxes.