Your Privacy Matters

1. Introduction

CalcuLearn ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application and website (collectively, the "Service").

By using CalcuLearn, you agree to the collection and use of information in accordance with this policy. If you do not agree with our policies and practices, please do not use our Service.

2. Information We Collect

2.1 Personal Information

When you use CalcuLearn, we may collect:

• Account Information: Email address, name, and profile photo (via Google Sign-In or Apple Sign-In)
• Payment Information: Processed securely by Stripe. We do not store credit card details on our servers
• User-Generated Content: Handwritten work, typed responses, and problem-solving attempts

2.2 Usage Data

We automatically collect information about how you interact with our Service:

• Problem attempts, completion rates, and time spent on problems
• AI tutoring conversation history
• Course enrollment and progress data
• Device information, IP address, and browser type
• Error logs and crash reports (via Sentry)

2.3 Student Work Data

For educational purposes, we collect and store:

• Canvas drawings and handwritten mathematical work
• Recognized LaTeX from handwriting (via MathPix API)
• AI-generated feedback and tutoring responses
• Analytics on problem-solving strategies and misconceptions

3. How We Use Your Information

We use the collected information to:

• Provide personalized AI tutoring and evaluate your mathematical work
• Track your learning progress and generate analytics
• Process payments and manage course access
• Send important updates about your account or courses
• Improve our AI models and educational content
• Detect and prevent fraud or abuse
• Comply with legal obligations

4. Third-Party Services

CalcuLearn integrates with the following third-party services that may collect your data:

5. Data Sharing and Disclosure

We do not sell your personal information. We may share your data only in these situations:

• With your teacher: If you join a class, your teacher can view your progress, attempts, and analytics
• Service providers: Third-party vendors who help operate our Service (Firebase, Stripe, OpenAI, MathPix, Sentry)
• Legal requirements: When required by law or to protect our rights
• Business transfers: In connection with a merger, acquisition, or sale of assets

6. Data Retention

We retain your personal information for as long as your account is active or as needed to provide you services. You can request deletion of your account and associated data at any time by contacting us.

After deletion, we may retain certain information for legitimate business purposes (e.g., fraud prevention, legal compliance) or as required by law.

7. Your Rights

Depending on your location, you may have the following rights:

• Access: Request a copy of your personal data
• Correction: Update inaccurate or incomplete information
• Deletion: Request deletion of your account and data
• Portability: Receive your data in a machine-readable format
• Opt-out: Unsubscribe from marketing communications

To exercise these rights, contact us at privacy@calculearn.com

8. Children's Privacy

CalcuLearn is designed for students of all ages, including those under 13. We comply with the Children's Online Privacy Protection Act (COPPA). If you are under 13, you must have parental consent to use our Service.

Parents can review, delete, or request that we stop collecting their child's information by contacting us at privacy@calculearn.com

9. Data Security

We implement industry-standard security measures to protect your data, including:

• Encryption in transit (HTTPS/TLS)
• Secure authentication via Firebase
• Regular security audits and monitoring
• Access controls and logging

However, no method of transmission over the internet is 100% secure. We cannot guarantee absolute security.

10. International Data Transfers

Your information may be transferred to and processed in countries other than your own. We ensure appropriate safeguards are in place for such transfers, including standard contractual clauses approved by regulatory authorities.

11. Changes to This Policy

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

Your continued use of CalcuLearn after changes become effective constitutes acceptance of the revised policy.

12. Contact Us

If you have questions or concerns about this Privacy Policy, please contact us: