Privacy Statement/Data Protection for the App »Book Converter« 31.03.2021, 21:29


Preliminary remark
Actually, we do not need a data protection declaration here, as we do not save or process any personal data from you. We do not access your camera or any other sensors on your mobile device. More on this below. Your data may be processed by your operating system or by the app store. Below you will find more information.

Lehrerfreund GmbH
Erismannstr. 4b
D-79206 Breisach

Contact person, authorized representative:
Berthold Metz,

We explain here which of your personal data we process when you use this app.

Legal basis
The legal basis for the following explanations is the Datenschutz-Grundverordnung DSGVO and the\nBundesdatenschutzgesetz BDSG (law to protect against misuse of personal data during data processing).
If you use the app outside of Germany, other or supplementary regulations may apply.

Your IP address
Our app does not collect your IP address.

Passing on your data:
We save your input (book name, edition page numbers) in Firebase in order to be able to issue a collection of page number conversions at some point that is useful for everyone. This storage is anonymous, we do not save or process any personal data. If the Google Firebase service stores and processes your data, you have consented to this processing by installing your operating system and consenting to the sales portal of your apps (Google Playstore, Apple App Store).

Deletion of your data
We are legally obliged to inform you when we delete your data. As we do not store any personal data, this legal principle does not apply here.