As someone who reads ebooks daily, I have tried countless apps and have a few favorites that stand out. 'Moon+ Reader' is my top pick for Android users because of its customizable interface, smooth scrolling, and support for various formats. It even has a night mode that’s easy on the eyes. For iOS, 'Marvin' is fantastic with its rich features like annotations, highlights, and a built-in dictionary.
If you're into audiobooks as well, 'Libby' by OverDrive is a must-have. It connects directly to your local library, offering free access to thousands of titles. 'Kindle' remains a solid choice for its vast ecosystem and seamless syncing across devices. And if you love organizing your reads, 'Goodreads' integration in Kindle is a bonus. Each of these apps caters to different needs, so it depends on what you prioritize—design, functionality, or accessibility.