Reactor has support for displaying Gravity Forms in your app. To display a Gravity Form in your app choose the Gravity Form page type in the Reactor builder admin and then enter the form ID.
The form IDs are found by going to Forms page in your sites admin. The column id is the form ID you enter into Reactor Gravity Form page type.
Example of Simple contact form in app:
NOTE: Reactor displays Gravity Forms through an iframe to your site. Gravity Forms should be installed and working properly before usage in Reactor. Issues with form functionality should be posted to the Gravity forms support.