Not at all free like the ad says. You get hooked on a book then it asks you to buy coins and you can't watch ads or so anything to earn the coins. And waiting for the chapter to unlock doesn't happen cause you need coins. I can buy better books that have been published and edited than I can get on this app. The books here have massive potential if they had a proofreader, but they don't. In that aspect it is not worth spending the money on coins to unlock chapters.