Formstack Usage Statistics

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Formstack Customers

Get access to data on 36,536 websites that are Formstack Customers. We know of 5,054 live websites using Formstack and an additional 31,482 sites that used Formstack historically and 3,995 websites in the United States.

Formstack Location Market Share and Movement
Technology Won Lost
Contact Form 7 Contact Form 7 639 1,566
MailChimp MailChimp 300 528
Gravity Forms Gravity Forms 283 659
Constant Contact Constant Contact 128 376
Wufoo Wufoo 127 77
Formstack Competitors and Similar