Website Privacy Policy
Last updated: January 2026
1. Controller
Levin Köhler (sole proprietor)
Talstr. 13/1
74579 Fichtenau
Germany
Email: contact@prog-app.com
2. Purpose of this website
This website exists solely to provide information about the PROG app. There is no registration, no sale, and no user account on this website.
3. Hosting
Our website is hosted by Vercel Inc. (340 S Lemon Ave #4133, Walnut, CA 91789, USA) and delivered via a global content delivery network. When you access the website, technical server log data (including IP address, date and time of the request, page accessed, and browser used) is automatically processed to ensure secure and stable operation. Legal basis: Art. 6(1)(f) GDPR (legitimate interest in a functional and secure website). Since Vercel Inc. processes data with its registered office in the USA, the data transfer is based on EU Standard Contractual Clauses (Art. 46 GDPR). Vercel's privacy policy: https://vercel.com/legal/privacy-policy
4. Contact by email
If you contact us by email (e.g. contact@prog-app.com or support@prog-app.com), the data you provide is processed exclusively to handle your inquiry. Legal basis: Art. 6(1)(b) GDPR (pre-contractual inquiry) or Art. 6(1)(f) GDPR (legitimate interest in providing support).
5. No cookies / no tracking
We use no cookies, no analytics tools, and no tracking technologies (e.g. Meta Pixel). Should this change in the future, this privacy policy will be updated accordingly BEFORE activation.
6. Links to external platforms
This website contains plain links to external platforms such as the Apple App Store, WhatsApp, Instagram, TikTok, and YouTube, as well as mailto links for direct email communication. Data is only transmitted to these providers after you actively click the link. From that point on, only the respective platform operator's privacy policy applies.
7. Your rights
You have the right at any time to access (Art. 15 GDPR), rectify, erase, restrict the processing of, object to the processing of, and receive a copy of your data (data portability). Please send requests at any time by email to: contact@prog-app.com
8. Right to lodge a complaint
You have the right to lodge a complaint with a data protection supervisory authority, e.g. the data protection officer of your German federal state.