Freemium · From Free (paid plans from $22/month billed monthly, or about $14/month billed annually)
Best for: Demand-generation teams that need calculator-style formula logic and lead scoring to qualify prospects
At a Glance
Heyflow
involve.me
Outgrow
Primary category
Forms
Forms
Forms
Rating
Not documented
Not documented
Not documented
Pricing model
Freemium
Freemium
Freemium
Starting price
Free (10 responses/month); paid plans from $22/month
Free (paid plans from $19/month billed annually)
Free (paid plans from $22/month billed monthly, or about $14/month billed annually)
Free plan
Yes
Yes
Yes
Free trial
Yes
Yes
Yes
Platforms
Web
Web
Web
Team collaboration
Not documented
Not documented
Not documented
AI features
Not documented
Yes
Not documented
Public API
Yes
Yes
Yes
Standout Differences
Lead-quality validation built in
Heyflow filters out fake or low-quality submissions with phone number validation and one-time-passcode verification directly inside the funnel.
Heyflow
Native ad-platform integrations
Heyflow connects directly to Meta and Google Ads for improved ad-to-funnel conversion tracking, a capability neither competitor documents.
Heyflow
Largest template library
involve.me ships more than 300 templates covering quizzes, calculators, surveys, and giveaways.
involve.me
Formula-driven calculators and lead scoring
Outgrow's calculator logic is built from formulas and variables, paired with a dedicated lead-scoring engine to qualify prospects.
Outgrow
Email automation baked into the funnel
involve.me can trigger a nurture email sequence the moment a visitor completes a funnel, without a separate automation tool.
involve.me
Feature-by-Feature
Lead Generation and Personalization
Feature
Heyflow
involve.me
Outgrow
Conditional logic and branching
Available
Available
Available
Phone number or OTP lead validation
Available
Unavailable
Unavailable
Dedicated lead scoring for qualification
Not documented
Limited
Available
Marketing and Ads
Feature
Heyflow
involve.me
Outgrow
Native Meta or Google Ads integration
Available
Not documented
Not documented
A/B testing
Available
Available
Available
Content and Templates
Feature
Heyflow
involve.me
Outgrow
Pre-built template library
Available
Available
Available
Formula or variable-based calculators
Available
Available
Available
Pricing Compared
Starting price reflects the lowest paid tier, not the full cost for every team size or usage level.
Heyflow
Free — $0 monthly
Starter — $22/month monthly
Growth — $79/month monthly
Scale — $229/month monthly
involve.me
Free — $0 Free forever
Start — $19/month (annual) or $29/month (monthly) Monthly or annual
Grow — $49/month (annual) or $69/month (monthly) Monthly or annual
Scale — $119/month (annual) or $139/month (monthly) Monthly or annual
Enterprise — From $399/month Annual contract only
Outgrow
Free Forms and Surveys — $0 Free
Freelancer Limited — $22/month monthly, about $14/month billed annually Monthly or annual
Freelancer Pro — $45/month monthly, about $25/month billed annually Monthly or annual
Essentials — $115/month monthly, about $95/month billed annually Monthly or annual
Business — $720/month monthly, about $600/month billed annually Monthly or annual
Enterprise — Custom (contact sales) Custom
Pros & Cons
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
Outgrow
Pros
No-code builder makes it accessible to marketers without developer support
Strong lead scoring and qualification features tailored to demand generation
Wide range of content types beyond quizzes, including calculators and chatbots
Free plan available for testing basic forms and surveys before committing to a paid tier
Large template library across many industries
Cons
Pricing rises quickly once lead volume or content-type needs increase
Interface and logic builder can feel complex for first-time users
Design customization is more limited than dedicated form or landing page tools
Enterprise pricing is not published and requires a sales conversation
Some advanced features are gated behind higher tiers even for small teams
Use Cases
Choose Heyflow: Paid acquisition and performance marketing teams that need phone and OTP lead validation plus native Meta and Google Ads tracking
Choose involve.me: Budget-conscious marketing teams that want a large template library and built-in email automation without a big upfront cost
Choose Outgrow: Demand-generation teams that need calculator-style formula logic and lead scoring to qualify prospects
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.
Outgrow
Lead generation quizzes — Marketing teams build personality or recommendation quizzes that capture contact details in exchange for a personalized result.
ROI and savings calculators — Sales and marketing teams create interactive calculators that estimate cost savings or ROI to qualify prospects earlier in the funnel.
Agency client campaigns — Marketing agencies build and manage interactive content campaigns across multiple client accounts from one platform.
Frequently Asked Questions
Which of these three is best suited for paid ad campaigns?
Heyflow, because of its native Meta and Google Ads integrations and built-in phone and OTP lead validation, both aimed at improving lead quality for paid acquisition.
Which tool filters out fake or low-quality leads most effectively?
Heyflow, through its phone number validation and one-time-passcode verification steps built directly into the funnel builder.
Which has the biggest template library?
involve.me, with more than 300 pre-built templates for quizzes, calculators, surveys, and giveaways.
Which is the most affordable to start with?
involve.me's entry paid plan starts at $19 per month billed annually versus Heyflow's $22 per month, though Heyflow's free plan and involve.me's free plan cap monthly responses differently, at 10 and 50 respectively.
Do all three support lead scoring?
Outgrow has a dedicated lead-scoring engine, involve.me supports scored quizzes without a full qualification system, and Heyflow does not document a comparable scoring feature, focusing instead on validating lead quality at submission time.
Which is best for European or GDPR-focused marketing teams?
Heyflow, which is based in Hamburg, Germany and markets itself specifically toward GDPR-conscious DACH and European buyers.