There are probably a bunch of alternatives for this. For example a friend built Reading List which I've heard is good (https://apps.apple.com/us/app/reading-list-book-log/id121713...) (iOS app)
> There is a long list of startups that tried to unseat Goodreads, but they’re either in the graveyard or floating in limbo. Examples include BookClub, RocketReads, LibraryThing, ReadingList, Booknshelf, BookBrowse, Booklikes, Libib, BookSloth, Bookself.