There are many similar applications on the App Store and some of them have been updated since June. It is unclear why Apple changed its policy after many years, but many applications, including original apps like Apple News, use advertising as a way to make money.
Apple has just done an App Store cleanup, deleted the old copying apps and apps . and perhaps this strictness is also part of it. Since the end of 2015, Apple's marketing leader Phil Schiller has been reviewing the App Store and making significant changes.
AdBlock can be updated if you switch from ad blocking via VPN to Safari Content Blocker, but Future Mind worries whether that will make their customers bother because they are the ones who pay to block ads on. both Safari and on the application. The company has not decided what to do and is considering options, including dropping the application, adding functions to VPN services or switching to blocking tools only on Safari.