Privacy notice
Last updated: September 30, 2026
Shrjan is an independent SAT Math learning service for students in Armenia. David Dallakyan operates the service. For privacy questions, access requests, corrections, or account deletion, contact daviddallakyan2005@gmail.com.
Your account and learning data
Google sign-in provides your name, email address, account identifier, and basic profile information. We use these to authenticate your account. We do not request access to your Gmail messages or Google Drive files. You can choose a nickname for your learning profile.
We store your chosen name, grade, SAT date and target, language, display preferences, practice answers, question timing, saved questions, learning sessions, and score history with your account in Supabase. This allows you to continue learning on another device. Database access rules restrict learning records to the signed-in account that owns them. The service operator and infrastructure providers may access data when necessary to operate, secure, or support the service.
A guest diagnostic runs temporarily in the open browser tab. Guest results and old prototype data are not imported into a Google account. Closing or reloading that tab can remove guest results. Sign in before starting practice you want to retain.
Cookies and analytics
Essential authentication cookies keep you signed in. Your browser also stores your analytics choice. Vercel provides hosting, performance measurements, and privacy-focused website analytics; our measurement setup excludes URL query strings and account details. Security systems may process technical information such as IP addresses and request metadata.
Google Analytics loads only if you choose to allow optional analytics. It helps us understand page visits and how the website is used. We do not send your name, email, practice answers, or account identifier to Google Analytics. Advertising personalization and Google Signals are disabled in our setup. You can change your choice at any time.
Other services and international processing
Google supplies sign-in, Supabase supplies authentication and database hosting, and Vercel hosts the website. Optional calculator tools and official practice links lead to Desmos and College Board. Those services have their own privacy notices. Providers may process data outside Armenia. We do not sell your learning data or publish individual progress to other students.
Your choices and retention
You can edit your learning profile or reset your saved learning data in Settings. Resetting progress does not delete your Google sign-in account. Contact us to request full account deletion. We retain account and learning data while your account is active, subject to deletion requests and any records needed for security or legal obligations. Provider backups may retain deleted records for a limited period under their retention policies.
Parent reporting, scheduled email reminders, and shared leaderboards are not enabled. To review progress with a parent, open your own progress summary together. If you need permission from a parent or guardian to use an online service, obtain it before creating an account.
Contact
Email daviddallakyan2005@gmail.com with questions or requests concerning your data. Do not include your Google password.