Privacy Policy
Your privacy is important to us. This policy explains how we collect, use, and protect your information.
Quick Summary
- • We collect minimal analytics data to improve our website and app
- • No personal information is required to use our free calculators
- • We use PostHog for privacy-focused analytics
- • You can opt out of analytics at any time
- • We never sell your data to third parties
Information We Collect
Analytics Data
We use PostHog to collect anonymous analytics data to understand how visitors interact with our website. This includes:
- • Page views and navigation patterns
- • Button clicks and user interactions
- • Device type and browser information
- • General geographic location (country/region)
- • Session duration and frequency
- • Performance metrics (page load times)
Contact Information
When you contact us through our contact form or email, we collect your name, email address, and message content solely for the purpose of responding to your inquiry.
App Usage Data
Our iOS and macOS apps operate entirely offline and do not collect or transmit any personal data or calculation history.
The app stores minimal usage preferences locally on your device to improve user experience, such as app launch counts and when to show rating prompts. This data never leaves your device and contains no personal information.
How We Use Your Information
Website Analytics: To understand user behavior, improve our website design, and optimize user experience.
Customer Support: To respond to your questions, feedback, and support requests.
Product Development: To identify popular features and prioritize improvements to our calculator app.
Marketing: To measure the effectiveness of our marketing efforts and understand which features resonate with users.
Data Sharing and Third Parties
PostHog: We use PostHog for analytics. PostHog is GDPR-compliant and processes data according to their privacy policy.
Vercel: Our website is hosted on Vercel, which may process technical data for hosting purposes.
No Data Sales: We never sell, rent, or share your personal information with third parties for marketing purposes.
Legal Requirements: We may disclose information if required by law, court order, or to protect our rights and safety.
Your Rights and Choices
Opt-Out of Analytics: You can disable analytics tracking by enabling "Do Not Track" in your browser or using browser extensions that block analytics.
Data Access: You can request access to any personal data we have about you.
Data Deletion: You can request deletion of your personal data, subject to legal requirements.
Data Portability: You can request a copy of your data in a machine-readable format.
Contact Preferences: You can opt out of marketing communications at any time.
Cookies and Tracking
Essential Cookies: We use minimal cookies necessary for website functionality, such as remembering your dark mode preference.
Analytics Cookies: PostHog may set cookies to track user sessions and behavior patterns.
Third-Party Cookies: We do not use third-party advertising cookies or tracking pixels.
Cookie Control: You can control cookies through your browser settings and delete existing cookies at any time.
Data Security
We implement appropriate technical and organizational measures to protect your personal information:
- • HTTPS encryption for all data transmission
- • Regular security updates and monitoring
- • Limited access to personal data on a need-to-know basis
- • Regular security assessments of our systems
Contact Us
If you have any questions about this privacy policy or our data practices, please contact us:
Updates to This Policy
We may update this privacy policy from time to time to reflect changes in our practices or applicable laws. We will:
- • Post the updated policy on this page
- • Update the "Last updated" date at the top
- • Notify users of significant changes via email or website notice
Your continued use of our website after any changes constitutes acceptance of the updated policy.