Privacy Policy

Last updated 11 August 2026

Prep Shark (“we”, “the app”) helps you prepare for competitive examinations. This policy explains exactly what the app collects, why it needs it, who else sees it, and how to have it removed.

What we collect

Account information

If you sign in with Google, we receive your email address, your name and the URL of your Google profile picture. We do not receive your Google password.

You can use the app without signing in. In that case the app creates an anonymous account automatically, so that your study history has somewhere to be backed up. An anonymous account holds no personal information — only a randomly generated identifier.

Your study data

This is synced to our servers so you do not lose it when you change phones:

• Which cards you have reviewed, how you rated them, and when each is next due
• Your multiple-choice attempts and whether they were correct
• Your study streak and the date you last studied
• Your daily goal, study-hours goal and exam date, if you set them
• A display name, if you set one

What stays on your phone

The following never leaves your device. It is not uploaded, and we cannot see it:

• Highlights, notes and bookmarks you make while reading a chapter
• Your reading position within a chapter
• Your theme and reading preferences

Diagnostics and usage

The app reports crashes and basic usage so we can find faults and understand which screens are used. This includes your device model, operating system version, app version and, when the app crashes, a technical stack trace. It does not include the contents of your notes or your answers.

Why we collect it

• To schedule your revision. The app decides when to show a card again from your own past ratings of it. Without that history there is no schedule.
• To keep your progress safe. So a lost or replaced phone does not cost you months of work.
• To fix what is broken. Crash reports are how we learn the app failed on a device we do not own.

We do not sell your data, and we do not use it for advertising.

Who else processes it

• Supabase — hosts our database and handles sign-in. Your account and study data are stored here.
• Google — only if you choose to sign in with Google.
• Sentry — receives crash reports.
• PostHog — receives usage events.
• Vercel — hosts this website.

Each of these processes data on our behalf under its own privacy terms. We do not share your data with anyone else.

How it is protected

All traffic between the app and our servers is encrypted in transit. Access to your rows is enforced at the database level: the rules are written so that one account cannot read another account’s progress, regardless of what the app asks for.

How long we keep it

Your study data is kept while your account exists. If you ask us to delete your account, it and everything attached to it are removed from our database.

Your rights

You may ask for a copy of your data, ask for it to be corrected, or ask for it to be deleted. Write to support@prepshark.in from the email address on the account and we will act on it.

Children

Prep Shark is intended for candidates preparing for competitive examinations and is not directed at children under 13. We do not knowingly collect data from them.

Changes

If this policy changes we will update the date at the top of this page. If a change materially affects what we collect, we will say so in the app.

Contact

Questions about this policy: support@prepshark.in