The [Eastern Orthodox church]? also believes in purgatory; however they have some differences with the Catholic church. (More details?)
Protestant churches generally reject the belief in purgatory. Catholics quote [II Maccabees]? 12:45 in defence; but Protestant do not recognise that book as canonical as it is in a group of books called by Protestants the Apocrypha and by Catholics and Orthodox the Deuterocanonical? Books.