Many apps can display PDFs on an iPad; that capability is built into iOS. But only a few of them can handle annotations—such as the notes, highlighting, and other elements that you use to comment on ...

As you may know, I try a lot of apps every week. Perhaps that is wrong, as one may be tempted to constantly jump between different softwares just for the sake of having something new to play with ...

UPDF has always been a fantastic PDF editor for iPhone, iPad, and Mac. PDF features like annotation, editing, converting, optical character recognition (OCR), protecting, filling, and signing are easy ...

It's hard to go back to an more ordinary PDF annotator after using LiquidText, but it is not the ultimate PDF tool for the iPad. We'd be doing you and LiquidText a disservice if we just called it a ...

PDF Expert is, in my opinion, the best PDF reader and annotation tool you can currently have on the iPad. It’s got a nice UI, a great engine that’s damn fast at opening large PDF files, it lets you ...

Jason Cipriani is based out of beautiful Colorado and has been covering mobile technology news and reviewing the latest gadgets for the last six years. His work can also be found on sister site CNET ...

PDFs are great, portable, cross-platform documents that you can read on your Mac, your iPad or iPhone, or on a PC. But this ubiquitous file format is also useful when you need to share works in ...

I am using GoodReader now, and while it has a decent feature set it's really painful to use. Just a bad UI, and very ugly. I could live with all of that if it had one key feature, though. So what I am ...