Paperform

Best for: Startups needing complex order, pre-order, or custom-quote forms with native payment processing

Pros:
+ Built-in eCommerce engine with live tax/shipping calculations and inventory caps
+ Supports five payment gateways including Stripe, PayPal, Square, Braintree, and Google Pay
+ Access to 2,000+ native integrations plus Zapier and Make
+ Free plan includes payments and four major gateways

Cons:
- No one-click Shopify App Store installation
- Not HIPAA-compliant
- Standard API restricted to Pro plan ($49/month annual)

Ranked #1 of 5, score 9.2/10 in "Best Form Builder for Shopify in 2026: Top Picks for Startups" by Top Ratings Hub, updated 2026-07-21.

Round-up topic: best form builder for shopify.

Also ranked: #5 in "Best Form Builder for Website in 2026"; #4 in "Best Form Builder for WordPress in 2026: Top Picks for Startups"; #4 in "Best Form Builder in 2026 for Startups".

Editorial pick from a published round-up — not an advertisement placed by a private seller, and nobody on Bazeta is selling it.

Source: Top Ratings Hub — https://topratingshub.com/best/best-form-builder-for-shopify-in-2026-top-picks-for-startups