Privacy Policy
We keep the information needed to operate accounts, study progress, payments, and site security. Last updated: June 16, 2026.
Information we collect
We may store your email address, password hash, login/session data, study answers, wrong-answer notes, bookmarks, payment status, referral email, and support messages you send to us.
How we use it
We use this data to provide the quiz service, save progress, manage Premium access, improve reliability, respond to support requests, and prevent abuse.
Third-party services
The site may use hosting, database, email, payment, analytics, and advertising providers such as Railway (hosting), GitHub (source and static assets), payment providers, and Google AdSense where configured. These providers process data only to the extent needed to deliver their service.
Cookies and similar technologies
We use cookies and browser local storage to keep you logged in, remember your dark-mode preference, and store your study environment. You can refuse cookies in your browser settings, but some features (such as login) may then be limited.
Advertising and Google AdSense
This site uses Google AdSense to display advertising. Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this and other websites.
- Google's use of advertising cookies enables it and its partners to serve ads to you based on your visits to this site and/or other sites on the Internet.
- You may opt out of personalized advertising by visiting Google Ads Settings.
- You can opt out of third-party vendor cookies for personalized advertising at aboutads.info/choices (or youronlinechoices.eu in the EU).
- For more detail, see the How Google uses information from sites that use its services page.
Analytics
Where enabled, we may use analytics tools (such as Google Analytics) to understand aggregate usage and improve the service. IP addresses are processed in anonymized form where the tool supports it.
Children's privacy
This service is intended for adults preparing for the PMP certification and is not directed at children under 13. We do not knowingly collect personal information from children.
Your choices
You can view, correct, or delete your account data at any time, and account deletion immediately removes your stored study records. For any request, contact us at the address below.
Operator
Business name: The Songdo | Business registration no.: 877-04-02518
Contact
For privacy questions, contact songodinfo1@gmail.com.