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Comps for Cardmarket

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Overview

The real price of your exact copy on Cardmarket card pages: same language, condition and foil. Not affiliated with Cardmarket.

Comps shows the real price of the copy you're selling or buying on every Cardmarket card page. Cardmarket's "From" price and price trend mix every language and condition, so a Japanese Excellent copy can set the "From" price for your English Near Mint card. Comps reads the offers on the page and keeps only the ones that match your copy: same language, same condition or better, same foil, reverse holo or edition. You see the cheapest of those, the median of the five cheapest, how many there are, and a suggested price you can copy into your listing with one click. What you get for free: • A price panel above the offers on every singles page, for every game Cardmarket sells. • Language, condition, foil, reverse holo (Pokémon) and edition (Pokémon, Yu-Gi-Oh!) filters, remembered per game. • A warning when Cardmarket's "From" price belongs to a different copy, and by how much. • One-click copy of the suggested price. • One click to show Cardmarket's own list filtered to your copy (language, condition, foil and edition), even when those offers are further down than the first page. • Your own offers never set your price: Comps recognises you when you're signed in to Cardmarket. Comps Pro (paid, through Polar): • Your own pricing rule: start from the cheapest offer, the median of the five cheapest or a tracker price, go under or over by an amount or a percentage, round down to .x9 or .x5, and set a minimum price for all games or per game. • Compare only with private sellers, professional sellers or powersellers. • Presets for the copies you list most, switched with Alt+1 to Alt+9. • Your own offers checked: each is marked in Cardmarket's list, with how far it sits above or below the cheapest other offer for the same copy. Polar (polar.sh) sells Pro as reseller and merchant of record. It renews monthly or yearly until you cancel it in Polar's customer portal, and refunds follow Polar's buyer terms. How to use it: 1. Open any card page on Cardmarket's English site (cardmarket.com/en/…). 2. Set the copy you have in the panel: language, condition and foil. 3. Copy the suggested price into your listing. Privacy: Comps works entirely in your browser. It reads only the Cardmarket page you have open, never submits anything for you and has no account, analytics or tracking. The only request it makes is to Polar, the payment provider, to check a Pro license key you entered. Comps is not affiliated with or endorsed by Cardmarket or by the makers of the games it supports. Cardmarket, Pokémon and Yu-Gi-Oh! are trademarks of their owners. Support: support@zeusstudio.dev

Details

  • Version
    0.1.0
  • Updated
    November 3, 2026
  • Features
    Offers in-app purchases
  • Offered by
    support@zeusstudio.dev
  • Size
    54.67KiB
  • Languages
    English (United Kingdom)
  • Developer
    Matteo Francesco Suez
    St. Johanns-Ring 121 Basel 4056 CH
    Email
    support@zeusstudio.dev
    Phone
    +39 342 697 4584
  • Trader
    This developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.

Privacy

Manage extensions and learn how they're being used in your organization

Comps for Cardmarket has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.

Comps for Cardmarket handles the following:

Authentication information

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes
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