The call follows a similar request made by U.S. Senator Al Franken on Wednesday, which cited a report by security researchers alleging the company's iOS4 operating system secretly compiled customers' location data in a hidden file.
"Apple must reveal where, for how long, and for what purpose the data is saved, who has access to it, and how it is protecting against unauthorized access," ministry spokesman Holger Eichele said.
"The secret collection and storage of a smart phone's location data would be a major invasion of privacy," he added.
A spokesman for Apple Germany declined to comment on the matter.