Privacy Policy

Your privacy matters. Here's exactly how Hydration Calc handles your information.

Effective Date: March 30, 2025

Last Updated: March 30, 2025

This Privacy Policy describes how Hydration Calc ("we," "us," or "our"), a product of SPINAI, collects, uses, and protects information when you use our website at water-intake-phi.vercel.app (the "Service"). By using the Service, you agree to the practices described in this policy.

1. Information We Collect

1.1 Information You Provide

When you use our water intake calculator, you enter your body weight, activity level, and climate preference. This data is processed entirely within your browser (client-side) and is not transmitted to our servers or stored in any database. We do not require account creation, registration, or any personally identifiable information (PII) to use the Service.

1.2 Automatically Collected Information

When you visit our website, certain information may be collected automatically through cookies and similar technologies by our third-party service providers:

  • Device information: Browser type, operating system, screen resolution, and device type.
  • Usage data: Pages visited, time spent on the site, referral source, and general geographic region (country/city level, not precise location).
  • IP address: Collected by third-party analytics and advertising services. We do not store IP addresses ourselves.

1.3 Local Storage Data

Our hydration tracker uses your browser's localStorage to save your daily cup progress and streak history. This data is stored exclusively on your device and is never transmitted to any server. You can clear this data at any time by clearing your browser's local storage or site data.

2. How We Use Information

We use the limited information collected to:

  • Provide and improve the Service's functionality and user experience.
  • Understand general usage patterns and popular features through anonymous analytics.
  • Display relevant advertisements through our advertising partners.
  • Monitor and prevent abuse or unauthorized use of the Service.

We do not sell, rent, or trade any personal information to third parties.

3. Cookies and Tracking Technologies

Our Service and third-party partners may use cookies, web beacons, and similar technologies:

3.1 Essential Cookies

We use minimal essential cookies required for the website to function properly.

3.2 Analytics Cookies

We may use Google Analytics to collect anonymous usage statistics. Google Analytics uses cookies to track user interactions. This data helps us understand which features are most used and how to improve the Service. You can opt out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on.

3.3 Advertising Cookies

We use Google AdSense and may use other advertising networks to display ads on our Service. These partners may use cookies to serve ads based on your prior visits to our website or other websites. Google's use of advertising cookies enables it and its partners to serve ads based on your browsing history. You can opt out of personalized advertising by visiting Google Ads Settings or www.aboutads.info/choices.

4. Third-Party Services

Our Service integrates the following third-party services, each with their own privacy policies:

We are not responsible for the privacy practices of these third-party services. We encourage you to review their respective privacy policies.

5. Data Retention

Since we do not collect or store personal data on our servers, there is no server-side data retention. Browser-based local storage data persists until you manually clear it or until the browser's storage policies remove it. Third-party services (Google Analytics, Google AdSense) retain data according to their own policies.

6. Your Rights

Depending on your jurisdiction, you may have the following rights regarding your personal data:

  • Right to Access: You may request information about what data, if any, we hold about you.
  • Right to Deletion: You may request deletion of your data. Since we don't store personal data server-side, you can clear local storage data directly in your browser settings.
  • Right to Opt Out: You may opt out of personalized advertising and analytics tracking using the links provided in Section 3.
  • Do Not Track: We respect "Do Not Track" browser signals where technically feasible.

For any privacy-related requests or concerns, contact us at taeshinkim11@gmail.com.

7. Children's Privacy

Our Service is not directed to children under the age of 13 (or 16 in the European Economic Area). We do not knowingly collect personal information from children. If you believe a child has provided us with personal information, please contact us at the email above, and we will take steps to address the issue.

8. Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated "Last Updated" date. We encourage you to review this policy periodically. Your continued use of the Service after changes constitutes acceptance of the updated policy.

9. Contact Us

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

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