Formstack vs HubSpot Forms

HubSpot Forms is used by more websites in our catalog: 1,318 use Formstack and 11,082 use HubSpot Forms.

HubSpot Forms sites have the higher median Ahrefs Domain Rating (Formstack: 43, HubSpot Forms: 46).

Between 2026-06 and 2026-07, Formstack went from 0.17% to 0.15% of all tracked sites, while HubSpot Forms went from 1.6% to 1.3%. Formstack is gaining ground faster in our index.

25 websites in our catalog use both Formstack and HubSpot 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.