CardMark
How-To

How to Use CardMark

Simple guides for scanning, tracking, buying, selling, and managing your cards.

Getting Started

Getting Started

Open CardMark, sign in, and learn the main screens.

CardMark collection dashboard showing collection value, card count, and recent activity
  1. 1Install CardMark from Google Play and open the app. The App Store listing is coming soon.
  2. 2Create a free account or sign in with an existing one.
  3. 3Use the main navigation to move between Search, Scan, Collection, and market tools.
  4. 4Open the dashboard to see collection value, card count, and recent activity.
  5. 5Look up a card before you save anything — you can search first, then add it when you are ready.

Tips

  • Starter is free for up to 500 items and does not require a credit card.
Back to top
Getting Started

Search for a Card

Find the right card by name or number, then pick the correct set and printing.

  1. 1Open Search.
  2. 2Type a card name, such as Charizard.
  3. 3Or search by card number. Formats such as 4, 04, 4/102, and 04/102 are supported.
  4. 4Review the results and select the correct set and printing.
  5. 5Open the card to see its current market value and details.

Tips

  • Add the set name when several printings share the same number.

Troubleshooting

  • If the right card is missing, try the number with and without a leading zero, or include the set name.
Back to top
Scanning

Scan a Card

Use the camera to capture a card and confirm the suggested match.

  1. 1Open Scan and allow camera access if asked.
  2. 2Position the card so the full card is visible and in focus.
  3. 3Capture the image.
  4. 4Review the suggested match.
  5. 5Confirm the correct card, or choose a different result if needed.

Tips

  • Use good lighting.
  • Keep glare off the surface.
  • Keep the full card in the frame.
  • Hold the camera steady.

Troubleshooting

  • If the match is wrong, recapture with less glare or search manually by name or number.
Back to top
Collection

Add a Card to Collection

Save a searched or scanned card with quantity and condition details.

  1. 1Search or scan to find the card.
  2. 2Select the correct set, printing, and variant.
  3. 3Choose the quantity to add.
  4. 4Set condition, and choose variant or grade where it applies.
  5. 5Save the card to your collection.

Tips

  • Accurate condition and variant keep values closer to the matching market listing.
Back to top
Collection

Collection Dashboard

See total value, card count, set progress, top cards, and value changes.

CardMark collection dashboard showing collection value, card count, and recent activity
  1. 1Open your collection dashboard.
  2. 2Check total collection value and card count.
  3. 3Review set completion progress.
  4. 4Scan your top cards by value.
  5. 5Compare value changes over the available time ranges.
Back to top
Collection

Set Completion

Open a set and see owned cards, missing cards, and completion progress.

  1. 1Open a set from your collection or set browser.
  2. 2Review owned cards versus missing cards.
  3. 3Use the completion progress bar to see how far the set is filled.
  4. 4Open a missing card if you want to search, scan, or add it.
Back to top
Collection

Wishlist

Save target cards, review them later, and clear them after you buy.

  1. 1Open a card you want and add it to your wishlist.
  2. 2Review your wishlist to compare targets and values.
  3. 3After you buy a card, remove it from the wishlist or move it into your collection.
  4. 4Update the list as your targets change.
Back to top
Market Data

Price History

Compare a card’s current value with prior snapshots.

  1. 1Open a card or supported sealed product.
  2. 2Open Price History.
  3. 3Compare the current value with prior snapshots.
  4. 4Check that the history matches the same variant, condition, and grade.

Tips

  • Values depend on the matching variant, condition, and grade.
  • History is available for supported items and can vary by source data.
Back to top
Market Data

Market Movers

See gainers and losers in Market Intelligence using current price vs. 30-day median.

  1. 1Open Market Intelligence.
  2. 2Review Biggest 30-Day Moves to see gainers and losers.
  3. 3Compare current pricing vs. 30-day median.
  4. 4Open a mover to inspect the card or product behind the change.

Tips

  • CardMark excludes suspicious cross-identity comparisons so a move reflects the same identity, not a mismatched card.
Back to top
Collection

Sealed Collection

Track boxes and other sealed products separately from singles.

  1. 1Open Sealed products.
  2. 2Add a sealed product and set the quantity.
  3. 3Review its market value.
  4. 4Keep sealed holdings in the sealed collection so they stay separate from singles.
Back to top
Collection

Card Lore

Read supplemental background on supported cards.

  1. 1Open a supported card.
  2. 2Open Card Lore.
  3. 3Read the background for that card.
  4. 4Treat lore as informational content — it does not change prices or collection records.
Back to top
Selling

Seller Center

Track seller inventory, cost, selling price, profit, and status.

  1. 1Open Seller Center. This workspace is included with Pro.
  2. 2Add an item to seller inventory.
  3. 3Set or track cost and selling price.
  4. 4Review profit and margin.
  5. 5Update inventory status as items sell or move.
Back to top
Buying

Buying Mode

Check market price, compare Buying At %, and save a purchase.

  1. 1Open Buying Mode.
  2. 2Search for the card you plan to buy.
  3. 3Review the current market price.
  4. 4Use Buying At % to compare your offer with market value.
  5. 5Save the purchase when you are ready.

Tips

  • Verify the exact card, set, variant, condition, and grade before you commit to a purchase.
Back to top
Scanning

Smart Match Scan

Review suggested matches after a capture and pick the correct result.

  1. 1Capture the card with Scan.
  2. 2Review the suggested matches.
  3. 3Choose the result that matches the set and printing in your hand.
  4. 4If none are right, search manually by name or number.

Troubleshooting

  • Several printings can look similar. Check the set name, card number, and finish before you confirm.
Back to top
Selling

Work Log

Review recent seller and collection activity.

  1. 1Open Work Log from your seller workspace.
  2. 2Review recent actions and activity.
  3. 3Use it to see what you added, updated, or sold recently.
Back to top
Account

Account & Plan

See your plan, manage the subscription in the app store, and sign out.

  1. 1Open Account.
  2. 2Check your current plan.
  3. 3Manage or cancel a paid subscription in Google Play or the App Store on your device.
  4. 4Sign out when you are done on a shared device.

Tips

  • Subscriptions are managed securely through your device’s app store.
Back to top
Account

Delete Account

Remove your CardMark account from Account / Plan, then confirm deletion.

  1. 1Open Account / Plan.
  2. 2Select Delete Account.
  3. 3Confirm deletion when prompted.
  4. 4For a written request or more detail on what is deleted, use the Delete Account page.

Tips

  • Deleting an account cannot be undone through the normal app experience.
  • Cancel an active paid plan in the app store if you also want billing to stop.
Open the Delete Account page Back to top

Ready to try these steps in CardMark?

Install CardMark, look up a card, and start a free collection when you are ready.

Get CardMark View Plans