Stackwise.ly — Privacy Policy
Last updated: 2025-12-03
1) What We Collect
- Calculator input: financial data such as account balances, investment amounts, and other inputs needed for calculators.
- Technical info: IP address, browser type, device info.
- Usage data: pages visited, clicks, feature usage.
- Cookies & tracking: Google Analytics, Vercel Analytics; session cookies for core functionality.
- Optional personal info: email address if you sign up for newsletters.
We do NOT collect:
- Payment info
- Sensitive personal data beyond calculator input
- Any other personally identifiable info unless you provide it voluntarily
2) How We Use Your Data
- Provide and improve the service (calculator functionality, analytics, performance monitoring)
- Optional communications (email newsletters) only if you opt-in
- Security and abuse prevention
3) Cookies & Tracking
- Essential cookies: enable calculator functionality and site operation
- Analytics cookies: track usage patterns for product improvement
- Consent: users must opt-in for optional tracking cookies (GDPR requirement)
- You can manage or block cookies via browser settings
4) Legal Bases (GDPR)
- Contract/Service: operating calculators and site features
- Consent: optional newsletter, marketing, and analytics beyond strictly necessary cookies
- Legitimate interest: product improvement, security monitoring
5) Sharing & Third-Party Services
We do not sell your data. We may share data with:
- Analytics providers: Google Analytics, Vercel Analytics
- Hosting provider: Vercel
Data is processed according to their policies; we require contractual safeguards to protect your data.
6) Data Retention
- Calculator inputs are used temporarily; we do not store personal financial data long-term
- Logs for analytics and security are retained according to provider policies
- If you subscribe to a newsletter, your email is stored until you unsubscribe
7) Your Rights
If you are in the EU, UK, or California, you have the right to:
- Access your data
- Correct inaccuracies
- Request deletion
- Export your data
- Restrict or object to processing
- Opt-out of marketing communications
Contact us at hello@stackwise.ly to exercise your rights.
8) Children's Privacy
- Not intended for children under 13
- We do not knowingly collect data from children
9) Security
- HTTPS encryption for data in transit
- Standard security measures by hosting provider
- While we follow best practices, no system is 100% secure
10) International Transfers
- Hosting and analytics may involve data transfer outside your region
- Data is protected according to standard safeguards (GDPR SCCs, Vercel policies)
11) Changes
We may update this policy; the "last updated" date reflects changes.
12) Contact
Email: hello@stackwise.ly