Challenger Comics Viewer

Challenger Comics Viewer is a FREE (NO ADS) advanced comics, manga, books and PDF viewer.

It's really simple to use. You just have to scroll ! Pages are automatically loaded and displayed (no need to click to go to next page). This version works perfectly on phones AND tablets.
Supported image file formats are JPG, PNG, GIF, WebP (Android 4.0+) and BMP.
Supported book file formats are PDF, CBZ/ZIP, CBR/RAR, CBT/TAR, CB7/7Z, and ePUB.

Bookari Free Epub PDF Reader (ex Mantano Reader Lite)

The free edition (with ads) of the best ebook reader on the market: user friendly, powerful, fast, with synchronized library, this book reader provides unprecedented flexibility, speed and reading comfort.Highlight excerpts, take notes in your books, organize your books, add your favorite bookstores and much more!