123FormBuilder vs Formstack

Formstack is used by more websites in our catalog: 700 use 123FormBuilder and 1,318 use Formstack.

Formstack sites have the higher median Ahrefs Domain Rating (123FormBuilder: 13, Formstack: 43).

Between 2026-06 and 2026-07, 123FormBuilder went from 0.03% to 0.08% of all tracked sites, while Formstack went from 0.17% to 0.15%. 123FormBuilder is gaining ground faster in our index.

1 websites in our catalog use both 123FormBuilder 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.