XnView is a feature-rich image viewer and editor suited for users looking for comprehensive tools and batch processing capabilities, while GPicView is a lightweight and straightforward image viewer ideal for those seeking simplicity and speed.
GPicView
Pros:
Lightweight and fast
Simple and user-friendly interface
Supports multiple image formats
Basic editing tools
Excellent performance for viewing images
Cons:
Limited advanced editing features compared to competitors
No batch processing capabilities
Fewer customization options
XnView
Pros:
Supports a wide range of image formats
Batch processing capabilities
Advanced image editing tools
Customizable interface
Extensive metadata support
Cons:
Can be overwhelming for beginners due to its vast features
Occasional performance issues with very large files