Privacy Policy
Last updated: February 25, 2026
1. Introduction
Examius (“we”, “us”, or “our”) operates the Examius mobile application (available on iOS and Android) and the website at examius.com. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our Service.
2. Information We Collect
2.1 Information You Provide
- Account information: Name, email address, and password when you register.
- Profile information: Education level, selected subjects, and exam preferences.
- User content: Images of handwritten answers uploaded for AI grading.
- Payment information: Processed securely through third-party payment processors (Stripe, Apple App Store, Google Play Store). We do not store your credit card details.
2.2 Information Collected Automatically
- Device information: Device type, operating system, and unique device identifiers.
- Usage data: Features used, study plans generated, mock tests taken, and interaction patterns.
- Log data: IP address, browser type, access times, and referring URLs.
2.3 Third-Party Services
- Google Sign-In: If you sign in with Google, we receive your name, email address, and profile picture from Google.
- Google AdMob: For free-tier users, Google AdMob may collect device advertising identifiers and usage data to serve relevant advertisements.
3. How We Use Your Information
We use the information we collect to:
- Provide, maintain, and improve the Service.
- Create and manage your account.
- Generate personalized study plans and mock tests using AI.
- Process AI grading of uploaded answer sheets.
- Process payments and manage subscriptions.
- Send important service notifications and updates.
- Display advertisements to free-tier users.
- Analyze usage patterns to improve the Service.
- Prevent fraud and enforce our Terms and Conditions.
4. AI Processing
Examius uses third-party AI services (including OpenAI) to process your data for features such as mock test generation, AI grading, study planning, and chat assistance. Your inputs (including uploaded images of answer sheets) are sent to these AI services for processing. We do not use your personal data to train AI models.
5. Data Sharing and Disclosure
We do not sell your personal information. We may share your data with:
- Service providers: Third-party services that help us operate the Service (cloud hosting, AI processing, payment processing, email delivery, analytics).
- Advertising partners: Google AdMob for serving advertisements to free-tier users.
- Legal requirements: When required by law, court order, or governmental authority.
- Business transfers: In connection with a merger, acquisition, or sale of assets.
6. Data Storage and Security
Your data is stored on secure servers provided by Supabase and Vercel. We implement industry-standard security measures including encryption in transit (TLS/SSL), secure password hashing, and access controls. However, no method of transmission over the Internet is 100% secure, and we cannot guarantee absolute security.
7. Data Retention
We retain your personal data for as long as your account is active or as needed to provide the Service. You may request deletion of your account and associated data at any time by contacting us at info@examius.com. Upon account deletion, we will remove your personal data within 30 days, except where retention is required by law.
8. Your Rights
Depending on your jurisdiction, you may have the right to:
- Access the personal data we hold about you.
- Request correction of inaccurate data.
- Request deletion of your personal data.
- Object to or restrict processing of your data.
- Request portability of your data.
- Withdraw consent at any time where processing is based on consent.
To exercise any of these rights, contact us at info@examius.com.
9. Children's Privacy
The Service is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you believe we have collected information from a child under 13, please contact us immediately and we will take steps to delete such information.
10. Advertising
Free-tier users may see advertisements served by Google AdMob. AdMob may use cookies, device identifiers, and other technologies to collect information for the purpose of serving personalized advertisements. You can opt out of personalized advertising through your device settings. Paid subscribers do not see advertisements.
11. Changes to This Policy
We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated revision date. We encourage you to review this Privacy Policy periodically. Your continued use of the Service after changes constitutes acceptance of the updated policy.
12. Contact Us
If you have any questions or concerns about this Privacy Policy, please contact us at info@examius.com.