Built by collectors, for collectors

From pickup to profit.

Keep your collection, grading submissions, market research, expenses, and sales together so you always know what you own and what you have in it.

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Start Free with up to 20 cards. When you are ready, choose one seven-day paid-plan trial; a card is required and the selected plan renews unless canceled.

One home for your whole collection

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A collector reviewing graded sports cards beside a collection dashboard and an open slab storage case

Collector learning center

Make smarter decisions at every step

Practical guidance for organizing your cards, evaluating grading opportunities, and understanding what a sale could return.

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Organize

Build a collection you can trust

Keep identity, ownership, grading history, costs, and realized profit connected to each card.

Collection tracking guide

Evaluate

Know when grading makes sense

Compare likely grade outcomes, submission costs, selling fees, and the alternative of selling raw.

Grading ROI guide

Sell

Use stronger market evidence

Separate active asking prices from comparable completed sales and calculate the full cost of a sale.

Card value guide

More collector resources

Inventory template Cost basis guide eBay search guide Collection app guide Browse live cards

Built for the way collectors buy, grade, and sell

From the card show pickup to the grading return and final sale, every step stays tied to one card record.

Keep your collection organized

Track raw, graded, listed, and sold cards across multiple collections. Add cards one at a time or bring them in with a CSV file.

Know what every card cost

Keep purchase price, shipping, sales tax, grading fees, and selling costs together so your profit is based on the full picture.

Manage grading from start to finish

Record submissions, service levels, turnaround estimates, grades, and certificate numbers without losing track of where a card is.

Search live marketplace listings

Browse live eBay auctions and Buy It Now listings by category, then narrow the results with search tools built for trading cards.

Review cards before you buy or grade

Use the Card Analyzer to check centering and visible condition from front and back images. Adjust the centering guides when needed.

See what you actually made

Review sales, fees, expenses, monthly profit, and grading results in clear reports built from your own collection activity.

More ways to stay informed

The details are already connected

Market data

Review available pricing, recent sales, and population data alongside the card you own.

Release calendar

See upcoming products grouped by category, product, and manufacturer.

Hobby news

Catch up on card releases, notable sales, grading news, and stories shaping the hobby.

Free profit calculator

Estimate fees, total cost, and profit before you buy or list a card.

Card images and cert links

Add reference images and open supported PSA certificate records directly from your collection.

Import and export

Move collection data in or out with CSV files whenever you need it.

Your collection command center

See the cards. See the numbers.

Cost basis, grading, and profit update as you add cards and log sales. No formulas to repair and no duplicate records to reconcile.

Total cards

128

Cost basis

$4,210

Est. value

$5,830

Unrealized gain

+$1,620

Card	Grade	Status	Value
2021 Prizm Rookie #247	PSA 10	Owned	$420
1998 Chrome Refractor	Raw	Listed	$185
2023 Select RC #12	BGS 9.5	Sold	+$96 profit

Net profit (this month)+$973.36

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Try the live demo — no sign-up required

Follow every card from chase to sale

Keep the story, status, and numbers together as a card moves through your collection.

Want

Owned

Submitted for grading

Listed

Sold

Condition, value, and profit roll up automatically at every stage — no re-entering the same card three times across a scanner app, a spreadsheet, and a price-checking site.