TXT Write

TXT Write is a powerful TXT and PDF (plain text, PDF) editor for iOS and OS X! Featuring full iCloud document synchronization, TXT files in addition to supporting nearly 15 plain text code formats; as well as PDF viewing/creating/annotation; TXT Write makes it super easy to create in many different formats while still being incredibly powerful!

Features

• iCloud document synchronization; TXT Write keeps all your documents up to date on all your iOS and OS X devices (iPhone, iPad, and Mac)
• TXT read/write support; as well as HTML/JS/PHP/RB/PL/JAVA/C/H/M/CP/SH/MM read/write with syntax highlighting support for HTML, Javascript, PHP, Ruby, Perl, Java, C, C++, Objective-C++ and more
• PDF creation/viewing/annotation -- On OS X add text, shapes, lines, markup and more; on iOS draw diagrams, take notes, grade documents, sign documents with Freehand writing (Large PDF documents in iCloud, such as large eBooks, are not recommended)
• Preview HTML files instantly on iOS (Drag the proxy icon in the Titlebar to a web browser in the Dock to preview HTML on OS X)
• Export as PDF makes it easy to annotate PDF's (iOS only) for grading papers, making corrections, or signing documents

Note: iCloud HandOff/Continuity requires both Bluetooth 4.0 and Wifi turned on and enabled