Privacy Policy

Last updated: February 27, 2026

At EngMock.com, we are committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your personal information when you use our AI-powered system design interview practice platform.

1. Information We Collect

We collect information to provide a better experience for our users. This includes:

  • Account Information: When you sign up, we collect your name, email address, and profile picture provided by your authentication provider (e.g., Google or GitHub).
  • Interview Data: We capture audio transcripts and whiteboard snapshots during your mock interviews to provide AI-generated feedback and session replays.
  • Usage Data: We collect information about how you interact with our platform, such as the scenarios you practice and the frequency of your sessions.
  • Payment Information: If you purchase credits, payment processing is handled by Stripe. We do not store your credit card details on our servers.

2. How We Use Your Information

We use the collected data for the following purposes:

  • AI Analysis: Your interview transcripts and whiteboard snapshots are processed by AI models (such as Google’s Gemini and OpenAI’s GPT) to generate feedback and scoring.
  • Service Improvement: We analyze anonymized usage data to improve our prompts, scenarios, and overall user experience.
  • Account Management: To manage your subscription, credits, and provide customer support.
  • Communication: To send you important service updates or response to your inquiries.

3. Data Sharing and Disclosure

We do not sell your personal data. We only share information in the following circumstances:

  • Service Providers: We use trusted third-party providers for critical functions like AI processing (Google/OpenAI), payment processing (Stripe), and hosting (Vercel/Google Cloud). These providers only have access to the data necessary to perform their tasks.
  • Legal Compliance: If required by law, we may disclose information to comply with legal obligations or protect our rights.

4. Data Security

We implement industry-standard security measures to protect your data. Your interview recordings and snapshots are encrypted at rest and in transit. However, no method of transmission over the internet or electronic storage is 100% secure.

5. Your Choices and Rights

You have the right to:

  • Access and download your interview history.
  • Delete specific interview sessions from your dashboard.
  • Request the deletion of your entire account by contacting support.
  • Opt-out of non-essential communications.

6. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any significant changes by posting the new policy on this page and updating the "Last updated" date.

7. Contact Us

If you have any questions about this Privacy Policy, please contact us at:
support@engmock.com