Gravity Forms is one of the more popular premium form plugins to choose from, and it runs from . It gives you much more than just simple contact form functionality. You can use it to create multi-page forms, you can limit user entries, schedule forms, and even create order forms. Multi-page forms are a standout feature, giving your customers a chance to fill out extensive forms and view how much longer they have until completion.
Select your fields, customize the options and embed the form into your site. Gravity Forms helps you to create the most flexible and secure forms for your WordPress site. Gravity Forms also offers you a number of quality add-ons which you can use on your WordPress site.
Price : $39 for one site to $199 for unlimited sites