PageFlip4 FREE version have the following limitations compared to commercial version:
- No Popups for HotSpots, no Tooltips for the control bar Buttons
- No Print Option
- No Thumbnail View, no Content Preview
- No Table of Contents
- No Info Window
- Brandings can't be removed
- No Background Music, no Page Background Music
- No Custom Background associated with a Page
- No custom control bar layout, no custom buttons
- No language support
- Can't embed custom Fonts

- No support:
	- only bugfix/report
	- no setup support (see manual)
	- no embed & compatibility setup (see manual)
	- no feature request

The following basic/advanced features are available in all versions:
- Multiflip
- Multi level transparency
- Spreads
- Multiple level Zooming
- Background image/Color
- AutoFlip
- Scriptable pages, External Script.
- Hotspots with on click actions (goto page, URL, lightbox image, custom function call, Autoflip control)