Privacy

Last updated 1 November 2026

My Cards AI is owned by My Cards AI LLC and built and run by one person. This page describes exactly what the software does with your information — in plain language, without the boilerplate.

Where your collection lives

Your cards, photos, values, sets, wishlist, and financial records live in a folder on your own Mac, in the Windows app's folder on your own PC, and in the app on your own iPhone. You can use the Mac app without an account, and when you do, none of your collection is stored on any server run by My Cards AI. The Windows app needs a sign-in to open a collection, so its collection is always also in your account.

If you sign in to a My Cards AI account, which identifying cards in the Mac app, the Windows app, syncing between devices, the web app, share links, and paid plans need, a copy is kept on our server so your other devices can show it. That copy includes:

It is stored with our hosting provider (Render) and kept until you delete it or delete your account.

What gets sent off your device, and why

That is the complete list.

This website

mycardsai.com, including the web app and share pages, uses Google Analytics to count visits and see how people find the site. Google sets its own cookies for this and receives the address of each page you view, but not your email address, your account, or your collection. On share pages, the link's code is removed before anything is sent to Google. Presses of the download buttons are counted by day, by which button, and by the kind of device the browser says it is, with nothing about who pressed them.

If you arrive from one of our ads or a link we tagged, a first-party cookie remembers which one for 30 days, by a short name such as “facebook/firstmonth” and nothing else (a second cookie holds the same name until midnight, so a second visit that day is not counted twice). With it, visits, download presses, sign-ups and website purchases are counted by campaign, as totals; the name also goes with a website checkout to Stripe, and with the App Store and Microsoft Store links, so their reports show downloads by campaign. It does not identify you, is not shared with Facebook or any advertiser, and does not follow you to other sites.

The Mac, Windows and iPhone apps contain no Google Analytics, advertising code, or other third-party tracking. The only measurement they are part of is the check-in, usage counts, and crash reports listed above.

What is never done

Backups

The Mac app can copy your collection data to your own iCloud Drive, and to any other folder you choose (for example a Dropbox or Google Drive folder). The Windows app copies your cards, and the sets and books as last synced, into a folder you choose each day it opens (OneDrive is offered by name; any folder inside Dropbox or Google Drive works too), keeping the last 14 days; pictures are not part of that copy. The app writes only to that folder on your PC, and never through our server. Those copies live in your accounts, under your control, and are governed by those providers' terms — not by this one.

eBay and affiliate links

Values come from eBay's public marketplace data. Links that take you to eBay listings may be affiliate links, which means a purchase may earn a small commission at no additional cost to you. This never influences which cards or prices are shown to you.

Your control

If you have a question about any of this, email support@mycardsai.com and a human (me) will answer.

Changes

If this policy changes in a way that affects what leaves your device, the change will be described in the app's update notes, not buried here silently.