What is Formstack Forms?
Secure online form builder for data collection and workflows, with Salesforce and HubSpot integrations and HIPAA support. It is a good fit for regulated or larger organizations needing secure, HIPAA-ready forms connected to Salesforce.
Pricing: From $83/mo billed annually ($99/mo monthly); 1 user, 25 forms, 1,000 submissions per form.
Where ConvertFlow is different
Formstack is stronger for regulated data, with HIPAA support and deep Salesforce mapping, which matters for clinics. ConvertFlow is built for marketing conversion: quiz funnels, triggered popups, landing pages and embedded forms in one builder, with personalization by quiz answers, plus CRM-data personalization and A/B testing across the funnel on the Pro plan. ConvertFlow AI also drives agentic funnel experimentation across the full funnel, with automated A/B testing for landing pages, popups, quiz funnels and site content.
Which should you choose?
Formstack Forms is the better fit for regulated or larger organizations needing secure, HIPAA-ready forms connected to Salesforce. ConvertFlow is the better fit if you want quiz funnels, popups, landing pages and on-site personalization in one builder, synced to Salesforce and other CRM integrations (HubSpot, Klaviyo, Customer.io etc), with ConvertFlow AI running automated A/B tests across the full funnel.
Features and pricing were checked on Formstack's own website in November 2026. ConvertFlow is our product. If anything here is out of date, let us know and we'll correct it.
.svg)
