Top 10 PDF Book Readers for iPhone and iPad

Tolino relies on openness and leaves it up to you to decide which bookseller you would like to purchase your eBooks from. This way, you always enjoy the complete variety of offers from all available tolino eBook retailers. You can easily download existing EPUB and PDF eBooks to the tolino ereader and read them there; with the tolino cloud synchronization and the tolino library link, tolino offers you particularly practical functions for this.

One app to read them all. Bring all your ebooks, comics and audiobooks in the same place, no matter where they're coming from. Import your own EPUB, CBZ or PDF files. Buy all the latest releases and best sellers from Feedbooks, with a catalog that contains over a million references. Built-in support for public libraries, allowing you to easily browse your library's catalog and borrow books from them. Thousands of public domain books from Feedbooks

Adobe Digital Editions software offers an engaging way to view and manage eBooks and other digital publications. Use it to download and purchase digital content, which can be read both online and offline. Transfer copy-protected eBooks from your personal computer to other computers or devices. Organize your eBooks into a custom library and annotate pages. Digital Editions also supports industry-standard eBook formats, including PDF/A and EPUB.

i2Reader is an innovative and award-winning eBook reader. Support of EPUB, PDF, RTF, HTML, FB2, DOC and plain text formats. One-way built-in Web server to upload books and dictionaries from your computer. Custom-made PDF rendering engine that reformats the text from PDFs for easier reading on the iPhone screen.

ezPDF Reader is the only PDF viewer with the embedded multimedia file playing capability. It also supports the Annotations and PDF Form Filling. Clearly presented without the fluff, documents appear as they would on your PC, but customized to fit your mobile device's screen. Scanned and text based PDFs are all supported, including JPEG2000 and JBIG2 compression. Select Text Reflow, Fit to Text Column, Copy and paste text in PDF view and bookmark as you go.

Adobe Reader software is the free trusted standard for reliably viewing, printing, and annotating PDF documents. It’s the only PDF file viewer that can open and interact with all types of PDF content, including forms and multimedia.

Not only an eBooks, Comics reader but also a tons-of-free-ebook-downloader, with dictionary inside for you to studies languages.

Bookman is the super fast PDF/Comic reader that is optimized for reading scanned PDF and Comic book archive files. You can download eBooks from websites with a built-in web browser. Contains online bookshelves for downloading, uploading, and moving and renaming files on DropBox. Supports PDF, ZIP,RAR, CBR, and CBZ.

Imagine holding your comic library in your hands; with Comic Zeal, you don't have to imagine. Your iPad is the perfect device for reading comics, but reading comics and manga isn't like reading books. You need a specialist app that can organize your comics by series, don't look through hundreds to find the one you want.

CloudReaders (TM) is a free book/comic/movie viewer, fully optimized for iPad (and now supports iPhone/iPod touch too!). It supports PDF, CBZ, ZIP, CBR, RAR, MOV, MP3, M4V, MP4 and 3GP format. It allows you to read any book/comic files in either PDF, ZIP/CBZ or RAR/CBR format transferred from your PC/Mac or downloaded from the Internet. CloudReaders also comes with a "cloud bookshelf", where you can download public domain books and comics for free (the number of books is small at this moment, but we are going to add a lot of books soon).

GoodReader is the super-robust PDF reader for iPad, iPhone and iPod touch. With GoodReader on your iPad/iPhone, you can read virtually anything, anywhere: books, movies, maps, pictures. Use it once and you’ll be hooked. If you work with documents, soon you'll be wondering how you ever managed to use your iPad or iPhone without GoodReader. Besides reading, you can also sync your files with remote servers sync with Dropbox, SkyDrive, SugarSync and any WebDAV, AFP, SMB, FTP or SFTP server

ComicBookLover for Mac OS X enables comic fans to view, collect, and organize CBZ, CBR and PDF format digital comics. Other features include: browsing by cover artwork, smart lists, image adjustment for color and sharpness, and various viewing modes like single page, double page and Western or Manga mode.

Finally a comic reader for iPad done right! ComicFlow was designed with one goal in mind: providing the best experience for comic fans with large collections. Features: Polished interface, Can handle very large comic collections (1,500+ comics and dozens of GB) without crashing or becoming unusable, Imports new comics in the background, Doesn't need to pre-process comic files before you can read them, Supports .cbr, .cbz and pdf files