The short version. At 5,000 submissions/month, SmartForm AI Pro is $9.90 ($1.98 per 1K), Forminit Pro is $19 ($3.80 per 1K), Basin Pro is $40.83 ($8.17 per 1K), and Formspree's cheapest tier with webhooks is $30/month but caps at 2,000 submissions. Netlify Forms is genuinely free — if your site is hosted there.

Form backend pricing pages have a specific problem: the headline number is almost never the number you pay.

I've seen this pattern repeat across a dozen static sites, so I went back and re-verified every major vendor's pricing page in October 2026. Several numbers that are quoted everywhere turned out to be badly outdated — one vendor had rebranded entirely, another had made its free tier unlimited, and a third no longer sells the tier names most comparison posts still reference.

This is the corrected version.

Why re-verify pricing at all?

Because form backend pricing churns hard.…