一款强大的阅读软件，支持 Office 文档、PDF、TXT、HTML 等文件浏览，支持书签，支持横屏，可以对 PDF 进行批注，还可以通过 WIFI 与 PC 或 MAC 共享文件。

版本 4.11.0 中的新功能

- turn PDF pages with a remote page turning device, such as AirTurn Bluetooth Page Turner, or any other compatible foot pedal, or even a standard Bluetooth keyboard. If you're a musician performing live with tons of sheet music PDFs on your iPad, this feature will be your perfect companion. To use it, open a PDF file and press the Lock Page button, then use foot pedals or arrow keys to turn pages (iPad only).
- iPad's Back to Reading button is now on the iPhone as well. Use this button to instantly go back to the most recent file you've been reading.

Bug fixes:
- fixed an issue with precomposed signatures appearing rotated on some files
- fixed an issue with slow downloading speed from SFTP servers
- fixed an issue with accessing distributed shares on certain SMB servers
- fixed a compatibility issue with certain Linux-based WebDAV clients


Earlier news:
- securely sign PDF documents with precomposed signatures
- support for RAR 5 archives
- new file tab operations: duplicate tab, delete file, rename file
- Text-to-speech for PDF and TXT files