Privacy Policy

Effective from 1 January 2026 · Last updated 1 January 2026

This Privacy Policy explains how RND20 ("RND20", "we", "us", or "our") collects, uses, stores, and shares information when you use the RND20 mobile application and related services (the "Service").

1. Data Controller

The data controller for the Service is:

DynAgro s.r.o.
IČO: 284 606 77
Address: Lesní 100, 252 28 Vonoklasy, Czech Republic
Contact person: Benjamin Sittler
Email: hello@webnik.cz
Phone: +420 603 200 083
Website: rnd20.eu

2. Information We Collect

We collect only the information necessary to provide and improve the Service:

• Account information: name, email address, username, and profile details you provide when registering.
• Workout data: rounds completed, reps, timing, challenge mode, and personal-best records.
• Social data: friend connections, challenges sent and received, reactions, and visibility settings.
• Device and usage data: app version, device type, operating system, and general usage patterns collected via analytics.
• Server logs: IP address, browser or app client type, requested endpoints, and access time, automatically recorded by the server for security and operational purposes.

We do not process any special categories of personal data within the meaning of Article 9 GDPR.

3. How We Use Information and Legal Basis

We use your information for the following purposes and on the following legal bases:

• Performance of a contract (Art. 6(1)(b) GDPR) – to provide the Service, process your workouts, enable social features, and respond to your requests.
• Legitimate interest (Art. 6(1)(f) GDPR) – to secure the Service, prevent abuse, maintain server stability, and improve performance.
• Consent (Art. 6(1)(a) GDPR) – where required, for sending marketing communications or enabling optional features. You may withdraw consent at any time.
• Legal obligation (Art. 6(1)(c) GDPR) – where we are required to disclose data by law or to protect our rights.

4. Analytics

Our marketing website uses privacy-focused analytics to understand aggregate visitor trends. Where used, the analytics tool does not rely on cookies to track individuals across sites and does not share data with third parties for their own purposes.

5. Sharing of Information

We do not sell your personal information. We may share information with:

• Service providers – hosting providers and other processors who help us operate the Service, under data processing agreements.
• Public authorities – when required by law or necessary to protect our rights.
• Other users – your workout results and profile information may be visible to friends you connect with inside the app, according to your visibility settings.

We do not transfer personal data outside the European Economic Area. If this changes in the future, we will ensure appropriate safeguards are in place.

6. Data Retention

We retain your information for as long as your account is active or as needed to provide the Service. Specifically:

• Account and workout data are kept until you delete your account or request deletion.
• Server logs are automatically deleted after 30 days.
• Records required by accounting or tax law may be retained for up to 10 years.
• Data processed on the basis of consent is kept until the consent is withdrawn.

7. Your Rights

Under the GDPR and applicable data protection laws, you have the right to:

• Access your personal data and receive confirmation of processing.
• Rectify inaccurate or incomplete personal data.
• Erasure ("right to be forgotten") under the conditions set out in Article 17 GDPR.
• Restrict processing under the conditions set out in Article 18 GDPR.
• Data portability – receive your data in a structured, commonly used, and machine-readable format.
• Object to processing based on legitimate interests.
• Lodge a complaint with the supervisory authority, in the Czech Republic the Office for Personal Data Protection (uoou.cz).

8. How to Exercise Your Rights

You may exercise any of the above rights by emailing us at hello@webnik.cz. We will respond without undue delay and no later than 30 days after receiving your request. In complex cases, we may extend this period by two months and will inform you accordingly.

9. Children's Privacy

The Service is not directed to children under the age of 16, and we do not knowingly collect personal information from children under that age. If you believe we have collected data from a child, please contact us so we can delete it.

10. Security

We implement appropriate technical and organizational measures to protect your personal data against unauthorized access, alteration, disclosure, or destruction. However, no method of transmission over the internet is completely secure.

11. Changes to This Policy

We may update this Privacy Policy from time to time. The current version is always available on this page with the date of the last update. For material changes, we will notify you via email if you have provided one.

12. Contact Us

If you have questions about this Privacy Policy or our data practices, contact us at hello@webnik.cz or +420 603 200 083.