It appears Apple may be cracking down on some VPN-based ad blockers that are designed to block ads in third-party apps, based on a recent interaction iOS developer Tomasz Koperski had with Apple's App Store review team.
Koperski is the CTO of Future Mind, a software company that produces AdBlock, Weblock, and Admosphere, three ad blocking apps. When submitting an update for AdBlock for iOS, a VPN-based ad blocking app, it was rejected.
Upon appeal to the App Review Board, Koperski was told Apple is no longer allowing VPN/root certificate-based ad blockers on the App Store and will not be accepting updates of existing ad blockers that use those techniques going forward. According to Apple, Future Mind's AdBlock app violates section 4.2 of the App Store Review Guidelines, which dictates that apps must be useful, unique, and "app-like. Apple Cracking Down on VPN-Based Ad Blockers That Work in Third-Party Apps
thumbnail courtesy of macrumors.com