PDF Studio offers extensive editing features, making it suitable for professional use, while qpdfview is a lightweight and straightforward PDF viewer, ideal for users who need a simple solution for reading and navigating PDFs.
qpdfview
Pros:
Lightweight and fast
User-friendly interface
Good support for viewing and navigating large PDFs
Open-source and free to use
Customization options available
Cons:
Limited editing capabilities compared to full-featured editors
Lacks advanced features like OCR
Support for form filling is basic
PDF Studio
Pros:
Comprehensive PDF editing tools
Supports form filling and signing
Excellent OCR capabilities
Rich annotation features
Cross-platform support including macOS, Windows, and Linux
Cons:
Paid software with a one-time purchase cost
Can be overwhelming for basic users due to extensive features