Fillout vs Heyflow vs involve.me

Fillout

Freemium / Subscription · From Free (paid plans from $15/month billed annually)

Best for: Teams that want a flexible, general-purpose form and survey builder with native Notion and Airtable sync and unlimited seats

Heyflow

Freemium · From Free (10 responses/month); paid plans from $22/month

Best for: Performance marketers running paid ad campaigns who need multi-step lead funnels with phone and OTP validation

involve.me

Freemium · From Free (paid plans from $19/month billed annually)

Best for: Teams building interactive quizzes, calculators, and surveys as lead-gen funnels using a large template library

Fillout

Heyflow

involve.me

Fillout

Pros

• Generous free plan with 1,000 responses per month and unlimited forms and seats, more permissive than many competitors' free tiers.
• Unlimited seats on every paid tier removes the per-user cost penalty common in other form builders.
• Native two-way sync with Notion and Airtable avoids the latency and extra cost of Zapier-style automation middleware.
• Broad feature set (payments, e-signatures, scheduling, PDF generation) reduces the need for separate point tools.

Cons

• Paid tiers are gated primarily by monthly response volume, which can require an upgrade sooner for high-traffic forms.
• Removing Fillout's own branding requires at least the Pro plan, not available on Free or Starter.
• Advanced governance features like SSO and audit logs are reserved for the custom-priced Enterprise tier.
• The company's 2025-2026 restructuring under the Zite parent brand may create some confusion for customers researching the company versus the product.

Heyflow

Pros

• Multi-step funnel approach converts better than static forms for paid acquisition
• Strong lead-quality tools with phone and OTP validation built in
• Large template and integration library for fast setup
• Native Meta and Google Ads integrations aid tracking and optimization
• GDPR-conscious, EU-based provider popular with DACH and European marketers

Cons

• Pricing scales with response volume, which can get expensive for high-traffic campaigns
• Branding removal and A/B testing are gated behind higher-tier plans
• Free plan is limited to only 10 responses per month
• Smaller global brand recognition compared to Typeform or Unbounce
• Advanced features like custom code require Scale or Enterprise tiers

involve.me

Pros

• Generous free plan lets teams test the funnel-building workflow before paying
• Large template library speeds up building common funnel types like quizzes and calculators
• Conditional logic allows genuinely personalized visitor journeys, not just static forms
• SOC 2 Type II and GDPR compliance make it viable for larger, compliance-conscious teams
• Bootstrapped, profitable company with a track record of steady feature releases

Cons

• Free plan strips out integrations and logic jumps, the platform's most useful features
• Enterprise pricing starts at $399/month and requires an annual contract
• Submission and visit caps on lower tiers can be restrictive for higher-traffic sites
• Design customization is more limited than dedicated page builders
• Smaller integration ecosystem than category leaders like Typeform

Fillout

• Lead capture synced to Airtable or Notion — Marketing and sales teams use Fillout to collect leads through embedded forms that write directly into an existing Notion or Airtable database in real time.
• Client intake and payment collection — Agencies and service businesses use Fillout to build intake forms that collect information, e-signatures, and upfront payments in a single step.
• Internal surveys and feedback forms — Operations teams use Fillout's unlimited-seat model to let every employee create and share internal surveys or feedback forms without added per-user cost.

Heyflow

• B2B lead generation — Sales and marketing teams build multi-step qualification funnels that route higher-intent leads to sales while filtering out fake submissions.
• Real estate and financial services — Agencies build mortgage calculators, property finders, and insurance quote flows that personalize pricing based on user input.
• Performance marketing campaigns — Paid acquisition teams replace static landing page forms with interactive funnels connected directly to Meta and Google Ads.

involve.me

• Lead-qualifying quizzes — Marketing teams build scored or personality quizzes that segment visitors and route qualified leads to sales or a nurture sequence.
• Pricing and ROI calculators — SaaS and service businesses embed interactive calculators on pricing pages to help prospects self-qualify and estimate value before booking a call.
• Client campaign funnels — Agencies build and manage multiple branded funnels across client accounts using multi-user Scale or Enterprise plans.