Apple iWork vs PDF Expert

Apple iWork is a suite of productivity applications comprising Pages (word processing), Numbers (spreadsheets), and Keynote (presentations). The suite is available free on all Apple platforms and includes real-time collaboration via iCloud. iWork supports import and export of Microsoft Office formats.

PDF Expert is PDF editor for Apple devices with annotation, editing, and form filling capabilities.. It is available under a paid model. This tool falls under the productivity category.