RePaper Web and PDF Highlighter for iPhone
So you would like to highlight PDF documents and websites on your iPhone or iPad? The RePaper Web and PDF Highlighter is just the app for the job. It lets you highlight web pages, PDF, Word, and PowerPoint files. You will be able to share your highlights by e-mail or on Twitter/Facebook.
This app lets you keep your content organized in folders. Your data stays synced across all your devices. RePaper is also compatible with iBooks, DropbBox, and Evernote. It is a universal app, so it works just fine on iPad. The user interface is pretty clean. The app is compatible with iOS 9.0 or later devices.