Stacking coins

Keep track of your collection

Stacker provides free, simple, self-managed tools for you to organize your collection.

Whether you collect coins, stamps, cards, or other cherished items, we're here to help solve the tedious parts of managing your collection.

Organize Your Collection

Stacked boxes
Easily catalog and search your items, complete with details, photos, and categorization, to create a comprehensive digital inventory.

Record Every Transaction

Ledger book
Keep a record of every purchase, sale, trade, and any other transaction with our intuitive and user-friendly interface. If you have associated paperwork, we'll keep track of that too.

Gain Insights

Graph
Analyze your collection with basic accounting features, see how your collection is evolving over time.
This is a project of passion by collectors for collectors. We're giving you the same tools that we built for ourselves. If we're missing something that you want, let us know.