Version difference

Free version Full version
Only basic Emmet actions All Emmet actions, including Wrap With Abbreviation, Select Item, etc.
Expand abbreviation with ^E shortcut Option to expand abbreviations by Tab key (see Preferences). Note there are few issues.
Customize via ~/emmet extension folder only Preferences pane to easly manage most used Emmet options and action keyboard shortcuts.
Community support via Github Issues Priority support via e-mail.