Effective Date: August 15, 2025
Last Updated: November 18, 2025
We are pleased that you are using our application PowerLibs (hereinafter "app" or "website"). In the following we inform you about the handling of your personal data when using our app. Personal data is all data with which you can be personally identified.
Responsible for data processing regarding this app within the meaning of the General Data Protection Regulation (GDPR) is:
PowerLibs - Dennis Dörflinger
c/o Online-Impressum.de #4974
Europaring 90
53757 Sankt Augustin, Germany
Email: info@powerlibs.com
The person responsible for the processing of personal data is the natural or legal person who alone or jointly with others decides on the purposes and means of the processing of personal data.
When contacting us (e.g. via contact form or email), personal data is collected. Which data is collected when using a contact form can be seen from the respective contact form in the app. This data is stored and used exclusively for the purpose of answering your request or for contacting you and the associated technical administration. The legal basis for the processing of this data is our legitimate interest in answering your request in accordance with Article 6 (1) (f) GDPR. If your contact is aimed at concluding a contract, the additional legal basis for processing is Art. 6 (1) (b) GDPR. Your data will be deleted once your request has been processed. This is the case if it can be inferred from the circumstances that the facts in question have been finally clarified and provided that there are no legal storage obligations to the contrary.
For the processing of contracts concluded via the app, we work together with the following service provider(s), who support us in whole or in part in the implementation of concluded contracts. Certain personal data is transmitted to these service providers in accordance with the following information.
The personal data collected by us will be passed on to the service providers as part of the contract, insofar as this is necessary for the delivery of the services. We pass on your payment data to the commissioned payment processor as part of the payment process, provided this is necessary for the payment process. The legal basis for the transfer of data is Article 6 (1) (b) GDPR.
For payment processing, we use Stripe, Inc., 354 Oyster Point Blvd, South San Francisco, CA 94080, USA. When you make a purchase, we pass on the information you provided during the ordering process together with the information about your order to Stripe. Your data will be passed on in accordance with Article 6 Paragraph 1 Letter b GDPR exclusively for the purpose of payment processing and only to the extent that it is necessary for this.
We have concluded a data processing agreement with Stripe, with which we oblige the provider to protect the data of the app users and not to pass it on to third parties without authorization.
Further information on data protection by Stripe can be found here: https://stripe.com/privacy
For user authentication, database services, and application functionality, we use Supabase, Inc., 970 Toa Payoh North #07-04, Singapore 318992. When you create an account or use our services, certain personal data is processed by Supabase including email addresses, authentication tokens, and application data.
The data processing is based on Article 6 (1) (b) GDPR for contract performance and Article 6 (1) (f) GDPR for our legitimate interests in providing secure and reliable services.
Further information on data protection by Supabase can be found here: https://supabase.com/privacy
When you first use PowerLibs, we offer an optional onboarding process to customize your experience. During this process, we may collect the following information:
Legal Basis: This data collection is based on your explicit consent (Article 6 (1) (a) GDPR) and our legitimate interests in providing personalized services (Article 6 (1) (f) GDPR). You can skip the onboarding process or modify these settings at any time in your account preferences.
Data Usage: This information is used solely to customize your PowerLibs experience, including personalizing component previews and remembering your preferences. We do not share this data with third parties for marketing purposes.
Retention: This data is stored until you delete your account or request its removal. You can update or delete this information at any time through your account settings.
We offer the option to authenticate via Google OAuth provided by Google Ireland Ltd., Google Building Gordon House, Barrow Street, Dublin 4, Ireland. When you choose to sign in with Google, we receive basic profile information (email address, name) from Google to create and manage your account.
The legal basis for this processing is Article 6 (1) (b) GDPR for contract performance and your explicit consent according to Article 6 (1) (a) GDPR. You can revoke this consent at any time by disconnecting Google access in your account settings or by deleting your account.
Data transfers to Google LLC in the US are possible. Further information on Google's privacy practices can be found here: https://policies.google.com/privacy
We use Vercel Analytics to understand how our website is used and to improve our services. Vercel Analytics is designed to be privacy-friendly and GDPR compliant.
Data Collected: Vercel Analytics collects anonymous, aggregated data including page views, referrers, device types, browser information, and geographic location (country level only). No personal identifiers, IP addresses, or cookies are used.
Legal Basis: We process this data based on our legitimate interests (Article 6(1)(f) GDPR) to analyze website performance and improve user experience.
Data Retention: Analytics data is retained for 24 months and then automatically deleted.
Further information on Vercel's data protection practices can be found here: https://vercel.com/legal/privacy-policy
We use DataFast Analytics to understand user behavior and conversion rates. DataFast collects usage data and may store cookies or local storage data (such as visitor IDs and session IDs) to identify unique visitors across sessions.
Legal Basis: This data processing is based on your explicit consent (Article 6 (1) (a) GDPR), which you provide via our cookie banner. If you do not consent, no personal data is transmitted to DataFast.
We use the Heyo widget to collect user feedback directly within the application. When you interact with the widget, data (such as your message, metadata, and potentially your email if provided) is transmitted to Heyo for processing.
Legal Basis: This data processing is based on your explicit consent (Article 6 (1) (a) GDPR), which you provide via our cookie banner or by voluntarily interacting with the feedback widget.
We use Cookiebot (Usercentrics A/S) as our consent management platform to inform you about the technologies used on our website and to obtain, manage, and document your consent to the processing of your personal data in accordance with GDPR.
The legal basis for this processing is Art. 6 (1) (c) GDPR (compliance with a legal obligation).
Our website uses the following categories of cookies and local storage:
These cookies are only set if you give explicit consent via our Cookie Banner.
We retain your personal data only as long as necessary for the purposes outlined in this privacy policy:
The applicable data protection law grants you comprehensive data subject rights vis-à-vis the person responsible for the processing of your personal data:
IF WE PROCESS YOUR PERSONAL DATA ON THE BASIS OF A BALANCING OF INTERESTS, YOU HAVE THE RIGHT AT ANY TIME TO OBJECT TO THIS PROCESSING FOR REASONS RESULTING FROM YOUR PARTICULAR SITUATION WITH EFFECT FOR THE FUTURE.
IF YOU EXERCISE YOUR RIGHT TO OBJECT, WE WILL STOP THE PROCESSING OF THE DATA INVOLVED. HOWEVER, FURTHER PROCESSING REMAINS RESERVED IF WE CAN PROVE COMPREHENSIVE REASONS FOR PROCESSING THAT OVERRIDE YOUR INTERESTS, FUNDAMENTAL RIGHTS AND FUNDAMENTAL FREEDOMS, OR IF THE PROCESSING IS FOR THE ASSERTION, EXERCISE OR DEFENSE OF LEGAL CLAIMS.
We implement appropriate technical and organizational measures to protect your personal data against unauthorized access, alteration, disclosure, or destruction. This includes:
Some of our service providers are located outside the European Economic Area (EEA). Data transfers to these providers are protected by:
We may update this privacy policy from time to time to reflect changes in our practices or legal requirements. We will notify you of any material changes by posting the updated policy on our website and updating the "Last Updated" date. Your continued use of our services after such changes constitutes acceptance of the updated policy.
If you have questions about this privacy policy or want to exercise your rights, please contact us:
Privacy Contact:
Email: privacy@powerlibs.com
Address: c/o Online-Impressum.de #4974, Europaring 90, 53757 Sankt Augustin, Germany
This privacy policy complies with the EU General Data Protection Regulation (GDPR) and German Federal Data Protection Act (BDSG).
Last updated: November 18, 2025 | Version 1.2