Signing and returning PDFs on your iPhone is easier than doing it on paper. Photo: Charlie Sorrel/Cult of Mac Scenario: Your divorce papers finally came through, and you can’t wait to sign the things.

The PDF is a business mainstay, a way to preserve and share documents while keeping them pristine and secure. Of course, there are times when you want to be able to mark them up, to add notes, ...

Your iPhone and iPadOS come with a built-in Markup feature that can be used across the operating system of Apple, according to HowtoGeek. You will find it as soon as you open a PDF in the Mail app, ...

Want to go completely paperless? Here's how to better manage PDF documents on iPhone and iPad! Photo: Ally Kazmucha/The App Factor PDF handling on the iPhone and iPad has vastly improved over the last ...

Does anyone have recommendations for iPad apps that are good for 'technical' documents (e.g. research papers, lots of math, lots of figures, etc). The main features I'm looking for are the ability to ...

iAnnotate (US$9.99) is a full-featured iPad app for marking up PDF files with highlighting, diagrams, notes, and even audio comments. Standout features include the ability to markup DOC and PPT files ...

The excellent document handling apps of Readdle have launched a new addition to their family with the new Remarks for iPad. It’s an app specifically designed for marking up PDF documents or images and ...

With Readdle’s $4.99 PDF Expert app, you can now perform text highlighting, add notes, and include finger-drawn markup on any PDF. You can also add text underlining and strikethrough. To round things ...

Ryan Cordell has recently rounded up various systems for managing and annotating PDFs. (See his original post, and the follow-up.) Those posts focused mostly on assimilating PDFs into your research, ...