Privacy Policy

Last updated: December 2025

1. Introduction

Mastopic is operated by Solder Spark Studios Inc., a California corporation doing business as Mastopic ("we," "our," or "us"). We are committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our service.

2. Information We Collect

Personal Information

When you create an account, we collect:

  • Email address
  • Username
  • Password (stored securely using industry-standard hashing)
  • Google account information (if you sign in with Google)

Usage Data

We automatically collect:

  • Topics, curricula, flashcards, and quizzes you create
  • Study progress and performance data
  • YouTube URLs and video metadata you submit
  • Documents you upload for learning materials

Technical Data

  • IP address
  • Browser type and version
  • Device information
  • Access times and dates

3. How We Use Your Information

We use collected information to:

  • Provide and maintain the Service
  • Process your requests and transactions
  • Generate AI-powered learning materials
  • Track your learning progress
  • Send important service notifications
  • Improve and optimize the Service
  • Detect and prevent fraud or abuse

4. Third-Party Services

We integrate with the following third-party services:

Google (Authentication)

If you sign in with Google, we receive your name and email address. See Google's Privacy Policy for details.

Google Gemini (AI Processing)

Content you submit for AI processing (transcripts, documents) is sent to Google Gemini API. This data is processed according to Google's AI/ML terms.

Stripe (Payments)

Payment processing is handled by Stripe. We do not store your credit card information. Charges will appear on your statement as "Solder Spark Studios Inc." or "SOLDER SPARK STUDIOS". See Stripe's Privacy Policy for details.

YouTube (Video Data)

We fetch publicly available video metadata and transcripts from YouTube. We do not access your YouTube account.

5. Data Sharing

We do not sell your personal information. We may share data:

  • With service providers who assist in operating the Service
  • When required by law or legal process
  • To protect our rights or prevent fraud
  • With your consent for public content you choose to share

6. Data Security

We implement appropriate security measures to protect your information, including:

  • Encryption of data in transit (HTTPS)
  • Secure password hashing
  • Regular security updates
  • Access controls for sensitive data

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

7. Your Rights

You have the right to:

  • Access your personal data
  • Correct inaccurate data
  • Delete your account and associated data
  • Export your data in a portable format
  • Opt out of marketing communications

To exercise these rights, contact us at contact@mastopic.ai.

8. Data Retention

We retain your data for as long as your account is active. Upon account deletion:

  • Personal information is deleted within 30 days
  • Learning content may be anonymized and retained for service improvement
  • Payment records are retained as required by law

9. Cookies

We use essential cookies to:

  • Maintain your login session
  • Remember your preferences (like dark mode)
  • Protect against CSRF attacks

We do not use tracking or advertising cookies.

10. Children's Privacy

The Service is not intended for children under 13. We do not knowingly collect information from children under 13. If you believe we have collected such information, please contact us immediately.

11. International Users

Your information may be transferred to and processed in countries other than your own. By using the Service, you consent to this transfer.

12. California Privacy Rights (CCPA)

If you are a California resident, you have specific rights under the California Consumer Privacy Act (CCPA):

Your California Privacy Rights

  • Right to Know: You can request information about the categories and specific pieces of personal information we have collected about you, as well as the categories of sources, purposes, and third parties with whom we share it.
  • Right to Delete: You can request deletion of your personal information, subject to certain exceptions.
  • Right to Opt-Out: You have the right to opt out of the "sale" of your personal information. We do not sell your personal information.
  • Right to Non-Discrimination: We will not discriminate against you for exercising any of your CCPA rights.

Categories of Information We Collect

In the past 12 months, we have collected the following categories of personal information:

  • Identifiers: Name, email address, username, IP address
  • Commercial Information: Purchase history, credit balances
  • Internet Activity: Browsing history on our Service, interactions with our platform
  • Inferences: Learning preferences based on your usage patterns

How to Exercise Your Rights

To exercise your California privacy rights, please contact us at contact@mastopic.ai. We will verify your identity before processing your request. You may also designate an authorized agent to make a request on your behalf.

13. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes via email or through the Service. Your continued use after changes constitutes acceptance of the updated policy.

14. Contact Us

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

Solder Spark Studios Inc.
d/b/a Mastopic
Email: contact@mastopic.ai