If you're considering this for a specific use case, could you tell me if you need: (text editing, form filling)? Just viewing and printing ? Batch conversion ?
The standard, small-sized reader is free for personal, home use. Cool PDF Reader Pro 3.3.0.520
It is recognized for being "the world's smallest PDF viewer/reader" and is best utilized by those needing a fast, no-frills tool to view or convert documents quickly. If you're considering this for a specific use
A special 3.20MB "Standalone Package" is available that requires no installation and can be run with guest privileges. The standard, small-sized reader is free for personal,
Knowing this will help me determine if the free or Pro version is better for you. Cool PDF Reader - View PDF, Crop PDF, Free PDF Viewer
A separate license is required for use in business or commercial environments, often referred to under the PDF2EXE brand as a Pro package.
Includes zooming, page rotation, and a full-screen slideshow mode.