Formidable Forms vs Formstack

Formidable Forms is used by more websites in our catalog: 2,864 use Formidable Forms and 1,318 use Formstack.

Formstack sites have the higher median Ahrefs Domain Rating (Formidable Forms: 18, Formstack: 43).

Between 2026-06 and 2026-07, Formidable Forms went from 0.16% to 0.33% of all tracked sites, while Formstack went from 0.17% to 0.15%. Formidable Forms is gaining ground faster in our index.

1 websites in our catalog use both Formidable Forms and Formstack.

Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.