Privacy Policy

• Required: email, password (stored encrypted), name, date of birth, target certification
• Optional: occupation, study goals, current level or experience
• Collected automatically: study records (progress, answers, reviews), access logs, notification subscription details
• Usage behavior: page views, clicks, time on page, and similar usage statistics (collected through the product analytics tool PostHog)
• Certification requests and question error reports (optional): the certification you asked for and what you reported. If you are signed in, these are linked to your account. We do not ask for an email or other contact details.

• Identifying members and handling login and account management
• Delivering service features such as progress tracking, review, and statistics
• Sending study reminders (where you have opted in)
• Improving content and the service through usage analysis (using analytics tools such as PostHog)
• Sending one launch notice to your account email when a requested certification is published (signed-in users), and fixing reported question errors

We delete your data without delay when you close your account. Where applicable law requires separate retention, we keep it only for the period that law requires.

We do not sell or hand your personal information to outside parties. Running the service may require entrusting processing to infrastructure, email, or analytics providers; in those cases we require the processor to maintain appropriate safeguards.

The Service uses cookies to keep you signed in and to measure usage. Third-party vendors, including Google, may also serve ads on the Service, and they may use cookies to show ads based on your prior visits to this site or other sites. Google’s use of advertising cookies enables it and its partners to serve ads based on your visits to this and other sites.

You can turn off personalized advertising in Google Ads Settings, and you can refuse cookies in your browser settings. If you refuse cookies, some features such as sign-in will not work. google.com/settings/ads

You can view or correct your personal information at any time from My Account, or request its deletion by closing your account.

Privacy inquiries: wkdrndydtlr@gmail.com