Tome , a book-tracking app and book lovers community, is closing its doors. Built on the back of the sizable and influential BookTok community — creators who discuss and review books on TikTok — the app offered readers a place to chronicle and rate their books, get recommendations, and even add photos of things like favorite quotes or memes, or share playlists that match the book’s vibes. The app was one of many that caters to a growing demographic of Gen Z readers who create book-related content on social media — a group that began mainly as women promoting their favorite “romantasy” titles, but has since grown to include readers of all types. But the space to leverage that community to take on the still-reigning book-tracking champ Goodreads may be a bit too crowded now. Tome, for instance, had to compete against several other book trackers with a similar vibe, such as Fable , Margins , Bookly , StoryGraph , Bookmory , Pagebound , TBR , and others.…