We are pleased that you are using our application (hereinafter "app"). Below, we inform you about the handling of your personal data when using our app. Personal data is any information that can identify you personally.
Responsible for data processing in relation to this app under the General Data Protection Regulation (GDPR) is Jerome Landauer, Berliner Str 74 A, 13189 Berlin, Germany, Tel.: +49 1573 4105589, email: info@landauer.de. The person responsible for the processing of personal data is the natural or legal person who alone or jointly with others determines the purposes and means of the processing of personal data.
When contacting us (e.g. via contact form or email), personal data is collected. The data collected via the contact form can be seen in the respective contact form in the app. This data is stored and used solely for the purpose of answering your request or contacting you and the associated technical administration. The legal basis for processing 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, provided that there are no legal storage obligations to the contrary.
For the provision, improvement, and operation of our apps, we collaborate with the following third-party service providers. Depending on the app you use, some or all of the services listed below may be active. Certain personal data will be passed on to these service providers in accordance with the following information.
Some of our apps use RevenueCat Inc., 300 Euclid Avenue, San Francisco, CA 94118, USA, for the management and processing of in-app purchases and subscriptions. When you make a purchase, we pass on the information necessary for the transaction, including your purchase details, transaction identifiers, and subscription status. Your data is passed on in accordance with Art. 6 (1) (b) GDPR exclusively for payment and subscription management and only to the extent necessary for this purpose. We have concluded a data processing agreement with RevenueCat Inc., obligating the provider to protect the data of app users and not to disclose it to third parties.
Data processed may include: transaction IDs, product identifiers, purchase dates, subscription status, and anonymous user identifiers.
Further information on data protection by RevenueCat can be found here: RevenueCat Privacy Policy
Some of our apps use Google Firebase Analytics, a service provided by Google Ireland Limited, Gordon House, Barrow Street, Dublin 4, Ireland (hereinafter "Google"). Firebase Analytics collects usage data to help us understand how our apps are used, identify technical issues, and improve the user experience. The legal basis for this processing is our legitimate interest in improving our apps in accordance with Art. 6 (1) (f) GDPR.
Data collected may include: app usage events (e.g. screens viewed, features used), device information (device model, operating system version, language settings), approximate location (country/region level, derived from IP address), app version, crash and performance data, and anonymous or pseudonymous identifiers (such as Firebase Installation ID and App Instance ID). Firebase Analytics does not collect personally identifiable information such as names or email addresses. IP addresses are used for geolocation purposes and are not logged or stored by Firebase Analytics.
You may opt out of analytics data collection at any time by adjusting the tracking preferences within the app settings (where available) or by disabling analytics at the device level.
Further information: Firebase Privacy Information, Google Privacy Policy
Some of our apps use Google Cloud Firestore, a cloud database service provided by Google, to store and synchronize app data. This may include data that you actively enter into the app (e.g. habits, weight entries, preferences, or other user-generated content) as well as technical metadata necessary for the operation of the app (e.g. timestamps, anonymous user identifiers). The legal basis for this processing is Art. 6 (1) (b) GDPR (performance of a contract) where the data storage is necessary for the functionality you requested, and Art. 6 (1) (f) GDPR (legitimate interest) for technical operation purposes.
Data is stored on Google Cloud servers. We have entered into a data processing agreement with Google that complies with the requirements of Art. 28 GDPR.
Further information: Google Cloud Data Processing Addendum
Some of our apps use Google AI services (including but not limited to Google ML Kit, Vertex AI, or the Gemini API via Firebase) to provide AI-powered features such as image recognition, text analysis, or other intelligent functionality. When you use these features, the data you provide (e.g. photos, text inputs) may be transmitted to Google’s servers for processing. The legal basis for this processing is Art. 6 (1) (b) GDPR (performance of a contract), as these features are part of the core functionality of the respective app.
Data transmitted to Google AI services is processed for the sole purpose of delivering the requested feature and is not used by Google to train general AI models, in accordance with the Google Cloud data processing terms. We do not store the raw data submitted to AI services beyond the immediate processing required to return a result, unless you explicitly save the result within the app.
Further information: Google Cloud Service Terms, Google AI Privacy
Several of the third-party service providers listed above (RevenueCat, Google) are based in or operate from the United States. Personal data may therefore be transferred to a country outside the European Economic Area (EEA).
For transfers to Google: Google LLC is certified under the EU-U.S. Data Privacy Framework (DPF), which was recognized as providing adequate protection by the European Commission’s adequacy decision of July 10, 2023 (Art. 45 GDPR). In addition, we rely on standard contractual clauses (SCCs) issued by the European Commission in accordance with Art. 46 (2) (c) GDPR as a supplementary safeguard.
For transfers to RevenueCat: the transfer takes place on the basis of standard contractual clauses (SCCs) issued by the European Commission in accordance with Art. 46 (2) (c) GDPR, which ensure that your data is subject to an appropriate level of protection. Where RevenueCat is certified under the EU-U.S. Data Privacy Framework, this certification serves as an additional safeguard.
A copy of the applicable standard contractual clauses can be requested from us at any time.
The applicable data protection law grants you comprehensive data subject rights (right to information and intervention) in relation to the person responsible for the processing of your personal data, as described below:
If we process your personal data based on a balancing of interests, you have the right to object at any time to such processing for reasons arising from your particular situation, with effect for the future.
If you exercise your right to object, we will cease processing the involved data unless we can demonstrate compelling legitimate reasons for the processing that override your interests, rights, and freedoms, or if the processing is necessary for the establishment, exercise, or defense of legal claims.
If your personal data is processed by us for direct marketing purposes, you have the right to object to the processing of your personal data for such purposes at any time.
If you make in-app purchases via our app, the payment process is carried out directly through the respective app store provider. For iOS devices, this is Apple Distribution International Ltd., Hollyhill Industrial Estate, Hollyhill, Cork, Ireland. For Android devices, this is Google Ireland Limited, Gordon House, Barrow Street, Dublin 4, Ireland. We do not collect or store any payment information (such as credit card numbers) ourselves. Payment data is processed exclusively by the respective provider. The processing is carried out in accordance with Art. 6 (1) (b) GDPR for the fulfillment of a contract.
Further information on data protection can be found in the providers' privacy policies: