The Lite version is available for free from the WordPress repository. The Pro version is available from this website, and comes with lots more features.
Lite vs. Pro
Pro
includes styles for:
- Color Picker
- Link
- Image
- Placeholder
- True/False
- WYSIWYG
- Repeater
- Button Group
- Accordion
- Tabs
- Range
- Select
- Clone
- Margins
- Typography
plus:
- Lifetime updates
- Lifetime support