How CardCaptain handles your data

Last updated April 10, 2026

CardCaptain is built to deliver quick blackjack guidance with a simple account flow. This page explains what information we collect, how we use it, and what happens when you use the web app, Telegram Mini-App, or email sign-in.

Account data

Email-linked access

If you create a web account, CardCaptain stores the email and sign-in data needed to keep your access working securely.

Product usage

Hand and session records

We log the hands you enter, the guidance returned, and the usage timing needed to run guest and free-account allowances correctly.

Information we collect

Account information. If you create a web account, we collect your email address and the authentication details needed to keep you signed in securely.
Usage and gameplay information. We store the hands you enter, the recommendations delivered, free-hand usage counts, timestamps, and related session data needed to run the product.
Telegram profile information. If you use CardCaptain through Telegram, we may store the Telegram profile details provided by Telegram so the Mini-App can work correctly.
Technical and service data. We may store IP-related request data, browser and device context, and reliability logs needed to prevent abuse, debug issues, and keep the service available.

How we use that information

To operate CardCaptain and return the recommended move for the hands you enter.
To manage guest limits, free-account allowances, and account status across web and Telegram access.
To send sign-in links and account-access emails for the web experience.
To review product reliability, prevent abuse, and improve the user experience over time.

Retention and account records

We keep account, usage, and service records for as long as they are reasonably needed to operate CardCaptain, maintain security, enforce usage rules, and support the product. We may retain limited logs longer when needed for fraud prevention, dispute handling, or operational recordkeeping.

Your choices

You can use the web app as a guest before creating an account.
You can sign out of your web account at any time.
You can choose whether to access CardCaptain through the web experience or through Telegram.

Audience and responsible use

CardCaptain is intended for adults. If local rules, venue rules, or platform policies restrict your use of tools like this, you are responsible for following those rules before using the product.

Policy updates

We may update this Privacy Policy as CardCaptain evolves. When we make meaningful changes, we will update the “Last updated” date on this page.