Privacy Policy

This Privacy Policy explains how thyrolog (“App”, “we”, “us”, or “our”), owned and operated by Frewert Media GmbH, Leopoldstr. 2-8, 32051 Herford, Germany, collects, uses, discloses, and safeguards your information when you use our mobile application.

We are committed to protecting your privacy and handling your personal data in a transparent and secure manner. By using the App, you agree to the practices described in this Privacy Policy.

1. Information We Collect

We collect the following categories of information when you use our App:

Personal Information

  • Name

  • Email address

  • Age

  • Gender

  • Health-related conditions (such as Hashimoto’s or other thyroid-related diseases)

Health & Wellness Data

  • Medications and supplements (name, dosage, frequency)

  • Symptom tracking (e.g., energy, mood, brain fog, weight, digestion)

  • Lab results (FT3, FT4, TSH, and other relevant values)

Technical Information

  • Device type, operating system, unique device identifiers

  • Log data, IP address, crash reports

Usage Data

  • How you interact with the App

  • Analytics events

2. How We Use Your Information

We use your information for the following purposes:

  • To provide and personalize the App experience

  • To send medication and supplement reminders

  • To help you track your symptoms, lab values, and overall progress

  • To maintain and improve the App, including bug fixes and usability improvements

  • To analyze usage patterns (Google Analytics, Appsflyer)

  • To send service-related communications and optional promotional messages

  • To comply with legal obligations

3. Data Storage and Hosting

  • Your data is securely stored using Firebase (Google Cloud Platform).

  • Sensitive health information is encrypted in transit and at rest.

  • Only authorized personnel have access to your data for support and maintenance.

4. Sharing of Information

We do not sell your personal data.

We may share your information with:

  • Service providers for analytics (Google Analytics, Appsflyer), crash reporting, and cloud hosting

  • Advertising partners to deliver personalized ads within the App (with your consent where required by law)

  • App Stores (Google Play, Apple App Store) to process subscription payments

  • Legal authorities if required by law or to protect rights and safety

5. Your Privacy Rights

Depending on where you live, you may have certain rights:

GDPR (EU/EEA Users)

  • Right to access your data

  • Right to correct inaccurate data

  • Right to delete your data

  • Right to restrict or object to processing

  • Right to data portability

  • Right to withdraw consent

CCPA (California Residents)

  • Right to know what personal data is collected

  • Right to request deletion of personal data

  • Right to opt out of sale of personal data (we do not sell data)

  • Right to non-discrimination for exercising privacy rights

You can exercise these rights by contacting us at info@thyrolog.com.

6. Data Retention

We retain your personal data only as long as necessary:

  • To provide the App and its services

  • To comply with legal obligations

  • To resolve disputes and enforce agreements

You may request deletion of your account and data at any time by contacting info@thyrolog.com.

7. Security

We implement appropriate technical and organizational measures to protect your data, including encryption and restricted access. However, no system can be 100% secure, and we cannot guarantee absolute security.

8. Children’s Privacy

The App is not directed at individuals under 16 years of age (or the minimum age required by local law). We do not knowingly collect personal data from children. If we become aware that we have collected such data, we will delete it immediately.

9. International Data Transfers

Because we use Firebase and other third-party services, your data may be transferred and stored outside of your country of residence, including the United States. In such cases, we ensure appropriate safeguards (such as Standard Contractual Clauses under GDPR).

10. Payments

Payments for subscriptions or premium features are processed only through the Apple App Store and Google Play Store. We do not store or process your payment information directly.

11. Changes to this Privacy Policy

We may update this Privacy Policy from time to time. Updates will be posted in the App and on our website with a revised “Last Updated” date. Significant changes will be communicated via email or in-app notifications.

12. Contact Us

If you have any questions about this Privacy Policy or wish to exercise your rights, please contact us at:

Frewert Media GmbH
Leopoldstr. 2-8
32051 Herford, Germany
Email: info@thyrolog.com