grind roadmap

Privacy Policy

Effective date: October 3, 2026

Local Practice Data

Grind Roadmap stores selected problem set, theme, and solved progress in your browser local storage. The editor starts fresh each time a problem opens, and those local values stay on your device unless you clear browser data.

Runner And Admin Access

When you run Kotlin code, the source and stdin are sent to the Trei CodeServer runner to compile and execute sample tests. Admin keys used for runner access are kept in browser session storage and are not shown in page content.

Analytics, Feedback, And Support

The site uses Trei web analytics for page and product usage. Feedback sent through trei.dev/feedback is handled by the shared Trei feedback backend with app/source context. For support or deletion questions, email contact.gangwar@gmail.com.

Delete Your Account

Signed in, open premium, then delete account, and confirm. Trei deletes your learning account data for every Trei prep site: your Premium entitlement, purchase-restore record, and any unfinished checkout. Progress this site saved in your browser is cleared and you are signed out; other Trei prep sites keep their own browser progress until you clear it there. Deleting does not cancel an active Premium renewal; email contact.gangwar@gmail.com to stop it. Invoices stay with Razorpay or Dodo Payments, and Trei keeps only payment and subscription reference numbers, with no name or email, for tax and accounting as the law requires. Your Google or email sign-in is shared with other Trei products and is not removed; email us to remove it or to ask for deletion without signing in.

Advertising

Free mode uses Google AdSense advertising units to fund the site. Google may use cookies or similar technologies to serve and measure ads. Premium no-ads users do not load AdSense after an active Premium restore succeeds.

Children's Privacy

Grind Roadmap is not directed at children under 13, and we do not knowingly collect information from them. If you believe a child under 13 has given us information, email contact.gangwar@gmail.com and we will delete it.