There's Apple Books, which comes preinstalled on modern Macs, but its features are fairly limited and it only works on devices made by Apple, which can be problematic if you have an Android phone or another device that is outside of the Apple ecosystem.
On a Mac, ePub readers are a dime a dozen. Neat Reader is a cross-platform application and web app that works on all your devices, whether you're on a Mac or Windows machine, and it even works on Apple or Android phones or any device that has a full-featured web browser. Whether you're a longtime digital book reader or you've just bought your first ePub and you're on a quest for the best ePub reader for Mac, you've come to the right place. If you want to learn more about ePub reader and Neat Reader, please continue reading.