Formstack vs Ninja Forms

Ninja Forms is used by more websites in our catalog: 1,318 use Formstack and 3,286 use Ninja Forms.

Formstack sites have the higher median Ahrefs Domain Rating (Formstack: 43, Ninja Forms: 17).

Between 2026-06 and 2026-07, Formstack went from 0.17% to 0.15% of all tracked sites, while Ninja Forms went from 0.18% to 0.37%. Ninja Forms is gaining ground faster in our index.

4 websites in our catalog use both Formstack and Ninja Forms.

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.