Cupertino seems to apply stricter application of App Store rules before the Generals Directive, which will enter into force on May 25th.
If your iOS application sends location data to third parties, you should ensure that you play with Apple's rules and get the user's explicit consent. If not, Cupertino can sayononara to your app.
As previously reported by 9to5Mac, Apple appears to apply stricter application of existing App Store rules on app collection, storage, use, and sharing before General Data Protection Regulation GDPR), which will enter into force on May 25th. As part of the breakdown, the company has launched apps that violate sections 5.1
Apple finally decided to apply guidelines for selling location data
– Thomasbcn (@Thomasbcn) May 7, 2018
"In case of reassessment, we found that your app is not consistent," the company wrote in a mail to a fatal developer, according to a post on Twitter. "The app transfers the user site data to third parties without the express consent of the user and for unauthorized purposes."
Apple advises affected developers to remove potentially infringing "code, frames, or SDKs" and resend the app for review. "Once a compatible version has been submitted and approved, your app will be returned for sale on the App Store," wrote Apple.
Section 5.1.2 states that developers "may not use or transfer anyone's personal information without first obtaining permission and giving access to information about how and where data should be used." It is further stated that "data collected from apps may not be used or shared with third parties in order not to improve the user experience or software / hardware performance associated with the app's functionality or to serve advertising in accordance with Apple's Licensing Developer Program.