GoodReader is an iOS application used to view documents in different formats, including .doc, .pdf, and .xls. Developed by Good.iWare
License: Commercial
GoodReader excels in PDF management and annotation capabilities, making it ideal for users who work extensively with PDFs. In contrast, FBReader is better suited for e-book enthusiasts seeking a user-friendly experience with strong e-book format support and text-to-speech functionality.