There are two versions of naturalForms that are available in the appstore for the iPad.
naturalForms Pro is a stand-alone application that is pre-loaded with a few stock forms. Industry specific form bundles are also available for purchase. These are available for purchase from the in app store. No log in is required for this app.
naturalForms Enterprise requires seat licenses for the naturalForms platform. naturalForms Enterprise offers additional features like customizing form templates, managing users and drop down lists, and setting up data distribution options (i.e. automatic emailing of pdf and data files for every submitted form).