Cool Reader vs Sumatra PDF

Cool Reader and Sumatra PDF are both powerful solutions in their space. Cool Reader offers cool reader is a highly configurable and lightweight ebook viewer designed for comfortable reading on various devices. it supports multiple formats including epub and docbook, offers extensive customization options for interface and reading experience, and includes useful features like library management, annotations, and sync capabilities., while Sumatra PDF provides sumatra pdf is a free and lightweight pdf reader for windows, renowned for its speed and minimalist interface. beyond pdf, it supports a variety of other formats including epub, mobi, cbr, cbz, xps, and djvu, making it a versatile e-reader.. Compare their features and pricing to find the best match for your needs.