Contact Form 7 vs Formstack

Contact Form 7 is the more common of the two in our index: it runs on 1,146 websites against 5 for Formstack. Counts come from real scans, not vendor claims.

Contact Form 7: 1,146
Formstack: 5

Contact Form 7

Contact Form 7 is an WordPress plugin which can manage multiple contact forms. The form supports Ajax-powered submitting, CAPTCHA, Akismet spam filtering.

Indexed sites: 1,146
Share of Form builders: 63%

Well-known sites using it

All 1,146 sites

Formstack

Formstack is a platform offering no-code solutions for digital workflows, including forms, documents, and signatures.

Indexed sites: 5
Share of Form builders: 0%

Well-known sites using it

All 5 sites

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Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.