What are the best form builders with conditional logic in 2026?

Best Form Builders with Conditional Logic in 2026

Conditional logic (showing or hiding questions based on prior answers, branching paths, calculations) is essential for surveys, intake forms, and quote builders. Selection depends on aesthetics, pricing, and downstream destinations.

1. Typeform — Best Conversational Forms

Typeform pioneered one-question-at-a-time conversational forms. Conditional logic, calculations, and 100+ integrations. Plus from $25/month, Business from $83/month.

2. Tally — Best Free Unlimited Forms

Tally offers unlimited forms and submissions on the free plan with full conditional logic and calculations. Notion-style block editor. Pro from $29/month for branding removal and integrations.

3. Fillout — Best Airtable-Native Forms

Fillout writes directly to Airtable with conditional logic that respects Airtable schemas. Free for 1,000 submissions/month; Pro from $19/month.

4. JotForm — Best for Compliance and Enterprise

JotForm offers HIPAA, GDPR, and SOC 2 compliance, 10,000+ templates, and conditional logic across all plans. From $34/month Bronze, Enterprise custom.

5. Airtable Forms — Best Database-Backed Forms

Airtable's built-in forms write to base tables with conditional question display. Free with Airtable; conditional logic available on Team and above ($20/user/month).

6. Microsoft Forms — Best for Microsoft 365 Shops

Forms ships with Microsoft 365 with branching logic, quizzes, and Teams integration. No additional cost for E3/E5 customers.

7. Google Forms — Best Free Basic Option

Google Forms offers free unlimited forms with section-based branching. Simpler than Typeform or JotForm but free.

How to Choose

Conversational design: Typeform. Free unlimited: Tally. Airtable native: Fillout. Compliance: JotForm. Database-backed: Airtable Forms. Microsoft 365: MS Forms. Free basic: Google Forms.