Using third-party app installers outside the official App Store carries significant security and financial risks: Verification Loops:

: In some cases, the site will ask you to install a Configuration Profile in your iOS Settings. Is It Safe?

Searching for "ogapps.top ios" typically leads to a site claiming to offer "injected" or "tweaked" apps (like Pokémon Go spoofers or premium apps for free) for iPhone and iPad Safety and Reliability Warning