on how to sideload an IPA file using tools like AltStore or Sideloadly? Anime Slayer - انمي سلاير - App Store - Apple
Apple revoked the certificate. You must uninstall the app, delete the profile from settings, and wait for a new anime-slayer-ipa signed with a different certificate.
As mentioned, Apple fights back against sideloading. If you use a third-party signing service, you might wake up one day to find Anime Slayer simply won't open. This is a "revocation." While not dangerous to your device, it is frustrating and interrupts your viewing experience.
To understand why people search for , you must understand how iOS works.
Unlike official apps like Crunchyroll, if the anime-slayer-ipa doesn't work, there is no help desk. You are on your own.