Your health data is yours. Here is exactly what we collect, what we don't, and why.
Kalo500 does not collect any personally identifiable information. No registration, no cookies for advertising, no server-side storage of health metrics. Everything you type stays in your browser.
Kalo500 collects no personally identifiable information (PII). Specifically:
localStorage API. This data exists only on your device and is never transmitted to any server.We use Google Analytics 4 (GA4) to collect aggregated, anonymized usage data — such as page views, session duration, and general geographic region (country level). This helps us understand which features are most useful and improve the product.
GA4 data is processed by Google in accordance with their Privacy Policy. Kalo500 does not use GA4 for remarketing or behavioral advertising. We do not share GA4 data with any third party beyond Google's standard processing terms. You may opt out of GA4 tracking by installing the Google Analytics Opt-out Browser Add-on.
To improve your experience, Kalo500 saves your body metrics (gender, age, height, weight, body fat %, and preferred unit system) in your browser's local storage under the key kalo500_user_metrics.
You can delete this data at any time by clearing your browser's site data for kalo500.com, or by using your browser's developer tools. Clearing this data will reset all pre-filled form fields on your next visit.
Local storage data is not accessible to other websites and is not synchronized across devices or browsers.
Kalo500 loads the following third-party resources to render the interface:
We are not responsible for the privacy practices of these third-party providers. We encourage you to review their respective privacy policies.
Kalo500 is not directed at children under 13 years of age. We do not knowingly collect any information from children. If you believe a child has submitted personal information through our site, please contact us and we will take appropriate steps to remove it.
We may update this Privacy Policy periodically. The "Last Updated" date at the top of this page reflects the most recent revision. Continued use of Kalo500 after any update constitutes acceptance of the revised policy. For material changes, we will display a prominent notice on the homepage.
If you have questions or concerns about this Privacy Policy, please reach us via our Contact page. We aim to respond to all privacy-related inquiries within 5 business days.