A month or so back I was searching for a PDF app that would use the native Files browser on the iPad, but add features not available in Files app’s built-in PDF viewer. The result of that search was ...

The Mail, Safari and iBooks apps preinstalled on the iPhone all allow you to view PDFs on your iPhone. The iBooks app offers the most dynamic set of controls for viewing PDFs, while the PDF viewer ...

This well-designed and easy-to-use free PDF viewer lets you mark up and create PDFs. Adobe’s popular PDF format makes files look great and Adobe’s free Reader lets everyone look at the files for free.