1. Information We Collect
Account Information
When you create an account, we collect your email address and password (encrypted). You may optionally provide a display name.
Usage Data
We automatically collect information about how you interact with VIZMath Pro, including the features you use, graphs you create, and time spent on the platform. This helps us improve the service.
Payment Information
If you subscribe to VIZMath Pro, payment details are processed securely by Stripe. We do not store your credit card numbers or banking information on our servers.
Device & Log Data
We collect standard log data including your IP address, browser type, operating system, referring URLs, and device identifiers to ensure service stability and security.
2. How We Use Your Information
Service Delivery
Your information is primarily used to provide, maintain, and improve VIZMath Pro — including syncing your saved graphs, managing your subscription, and personalizing your experience.
Communication
We may send you transactional emails (password reset, billing receipts) and, with your consent, product updates and educational content. You can opt out of marketing emails at any time.
Analytics & Improvement
Aggregated, anonymized usage data helps us understand which features are most valuable and guide future development.
3. Sharing Your Information
We Do Not Sell Your Data
VIZMath Pro does not sell, rent, or trade your personal information to third parties for marketing purposes.
Service Providers
We work with trusted third-party providers (Supabase for database/auth, Stripe for payments, Google Analytics for usage insights) who process data on our behalf under strict confidentiality agreements.
Legal Requirements
We may disclose information if required by law, court order, or to protect the rights, property, or safety of VIZMath Pro, our users, or the public.
4. Data Retention
Account Data
We retain your account data for as long as your account is active. If you delete your account, we will remove your personal data within 30 days, except where retention is required by law.
Anonymized Data
Aggregated and anonymized usage statistics may be retained indefinitely to improve the service.
5. Cookies & Tracking
Essential Cookies
We use cookies to maintain your session and authentication state. These are strictly necessary for the service to function.
Analytics Cookies
With your consent, we use analytics cookies (Google Analytics) to understand aggregate usage patterns. You can disable these through your browser settings.
6. Your Rights
Access & Portability
You have the right to access the personal data we hold about you and request a copy in a portable format.
Correction & Deletion
You may update your account information at any time. To request deletion of your account and associated data, contact us at service@vizmathpro.com.
GDPR & CCPA
If you are located in the EU or California, you have additional rights under GDPR and CCPA respectively, including the right to object to processing and the right to opt out of data sales (we do not sell data).
7. Security
Protection Measures
We implement industry-standard security measures including encryption in transit (TLS), encrypted storage, and regular security audits. However, no online service can guarantee absolute security.
8. Children's Privacy
Age Restriction
VIZMath Pro is not directed to children under 13. We do not knowingly collect personal information from children under 13. If you believe a child has provided us personal information, contact us immediately.
9. Changes to This Policy
Updates
We may update this Privacy Policy from time to time. We will notify you of significant changes via email or a prominent notice on the platform. Continued use after changes constitutes acceptance.
10. Contact Us
Privacy Inquiries
If you have questions or concerns about this Privacy Policy or your personal data, please contact us at service@vizmathpro.com. We aim to respond within 5 business days.
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