Privacy Policy

Last updated: August 22, 2026

This Privacy Policy explains how NOWANO processes personal information in connection with TDEE Calculator.

1. Controller

The data controller for information collected directly through TDEE Calculator is:

2. Information we collect

• Information entered into the calculator, such as age, sex, height, weight, activity level and goal.
• Answers supplied during the additional personalized-profile questions.
• Email address when you request delivery or access to a personalized report.
• Technical information such as IP address, browser/device information and basic request logs where necessary for security and operation.

3. Why we use information

• To provide and operate the calculator and personalized report.
• To save and retrieve a user's test and report status.
• To deliver requested information by email.
• To process and reconcile purchases and prevent fraud or misuse.
• To maintain security, troubleshoot errors and improve the service.
• To comply with applicable legal obligations.

4. Legal bases

Depending on the processing activity, information may be processed because it is necessary to provide the requested service or perform a contract, to comply with legal obligations, for legitimate interests such as security and service administration, or on the basis of consent where consent is required.

5. Payments and FastSpring

Paid transactions are handled through FastSpring. FastSpring operates as the Merchant of Record and handles the checkout, payment processing, fraud controls and applicable sales-tax/VAT responsibilities under its model. FastSpring may process purchaser information required to complete and support transactions.

FastSpring maintains its own privacy and purchaser policies. The applicable links are presented by FastSpring during checkout.

6. Data retention

We retain information only for as long as reasonably necessary for the purposes described above, including providing access to purchased reports, maintaining records, resolving disputes and meeting legal obligations. Specific retention periods may vary depending on the type of information and applicable law.

7. Your rights

Subject to applicable law, you may have rights to request access, correction, deletion, restriction of processing, portability, or to object to certain processing. Where processing is based on consent, you may withdraw consent for future processing.

8. Cookies and local storage

The calculator may use browser local storage and similar client-side mechanisms to preserve test progress and preferences. These mechanisms are used to improve continuity and are not a substitute for server-side records.

9. Third parties

We may use service providers necessary to operate the website, infrastructure, email delivery, analytics, security and payment services. They receive only information needed for their respective services, subject to applicable contractual and legal requirements.

10. Contact

For privacy questions or requests, contact support@tdee-calculator.org.