Formidable Forms
Advanced WordPress form builder with data display — build pricing calculators and ROI tools as interactive lead capture.
The developer-grade WordPress form builder — conditional logic, calculations, and 40+ add-ons for complex B2B forms.
Gravity Forms is a premium WordPress form builder targeting developers and businesses that need advanced form functionality beyond simple contact forms. It supports conditional logic, multi-page forms, file uploads, calculations, user-generated content, and integrations with 40+ third-party services via official add-ons. Gravity Forms is particularly strong for complex B2B use cases — building product configurators, multi-step quote request forms with conditional pricing, and application forms that route data to multiple destinations simultaneously. It has no free version; all plans are paid, starting at $59/year for a basic licence. The developer community around Gravity Forms is extensive, with many third-party hooks and filters available.
B2B companies with complex sales processes — custom quotes, product configurations, or multi-party approval workflows — need forms that can handle conditional logic and route data to multiple systems simultaneously. Gravity Forms' calculation fields allow building pricing estimator forms directly on a B2B website, giving prospects an instant ballpark figure while capturing their contact details as leads. The extensive developer ecosystem means virtually any custom integration is achievable.