Formidable Forms vs Happyforms vs Kadence Blocks Forms (2026)
Quick Verdict
Choose Formidable Forms if...
Developers and agencies who need to turn form submissions into data-driven front-end applications — directories, job boards, real estate listings, etc.
Choose Happyforms if...
Non-technical site owners who want a friendly form-building experience with live preview and solid email marketing integrations.
Choose Kadence Blocks Forms if...
Existing Kadence Blocks users who need simple-to-moderate forms without installing a separate plugin.
Feature Comparison
| Feature | Formidable Forms | Happyforms | Kadence Blocks Forms |
|---|---|---|---|
| Drag & Drop Builder | ✓ | ✓ | ✓ |
| Conditional Logic | ✓ | ✓ | ✓ |
| Multi-Step Forms | ✓ | ✓ | ✗ |
| File Uploads | ✓ | ✓ | ✓ |
| Payment Forms | ✓ | ✓ | ✗ |
| Calculated Fields | ✓ | ✗ | ✗ |
| User Registration | ✓ | ✓ | ✗ |
| Frontend Post Submission | ✓ | ✗ | ✗ |
| Conversational Forms | ✓ | ✗ | ✗ |
| Gutenberg Block | ✓ | ✓ | ✓ |
| Gutenberg-Native | ✗ | ✗ | ✓ |
| AI Form Builder | ✓ | ✗ | ✗ |
| Digital Signatures | ✓ | ✓ | ✗ |
| Surveys & Polls | ✓ | ✓ | ✗ |
| Quizzes | ✓ | ✗ | ✗ |
| Scheduling / Date Limits | ✓ | ✓ | ✗ |
| Entry Management | ✓ | ✓ | ✓ |
| Export Entries | ✓ | ✓ | ✓ |
| Partial Entries | ✓ | ✓ | ✗ |
| Geolocation | ✓ | ✗ | ✗ |
| Webhooks | ✓ | ✗ | ✓ |
| Custom CSS | ✓ | ✓ | ✓ |
| Responsive Design | ✓ | ✓ | ✓ |
| Ajax Submission | ✓ | ✓ | ✓ |
| Anti-Spam | ✓ | ✓ | ✓ |
| reCAPTCHA | ✓ | ✓ | ✓ |
| hCaptcha | ✓ | ✗ | ✓ |
| Cloudflare Turnstile | ✓ | ✗ | ✓ |
| Honeypot | ✓ | ✓ | ✓ |
Pricing Comparison
| Plan | Formidable Forms | Happyforms | Kadence Blocks Forms |
|---|---|---|---|
| Free Version | ✓Free | ✓Free | ✓Free |
| Starting Price | $39.5/year | $89/year | $119/year |
| Top Tier | Elite: $299.5/year | Unlimited: $399/year | Ultimate Bundle: $299/year |
| Lifetime Deal | ✗ | ✗ | From $899 |
Integrations
Email Marketing
| activecampaign | ✓ | ✓ | ✓ |
| aweber | ✓ | ✓ | ✓ |
| brevo | ✗ | ✓ | ✗ |
| constant contact | ✓ | ✓ | ✗ |
| convertkit | ✓ | ✓ | ✓ |
| getresponse | ✓ | ✗ | ✗ |
| mailchimp | ✓ | ✓ | ✓ |
| mailerlite | ✓ | ✓ | ✗ |
| mailpoet | ✗ | ✓ | ✗ |
| sendfox | ✗ | ✓ | ✗ |
| sendgrid | ✗ | ✓ | ✗ |
Payment
| paypal | ✓ | ✓ | ✗ |
| stripe | ✓ | ✓ | ✗ |
| woocommerce | ✓ | ✗ | ✗ |
CRM
| hubspot | ✓ | ✗ | ✓ |
| salesforce | ✓ | ✗ | ✗ |
| zoho | ✓ | ✗ | ✗ |
Automation
| integrately | ✗ | ✓ | ✗ |
| make | ✓ | ✓ | ✗ |
| uncanny automator | ✓ | ✗ | ✗ |
| webhooks | ✗ | ✗ | ✓ |
| zapier | ✓ | ✓ | ✓ |
Other
| google analytics | ✗ | ✓ | ✗ |
| google sheets | ✓ | ✗ | ✓ |
| recaptcha | ✗ | ✓ | ✗ |
| slack | ✓ | ✗ | ✗ |
Pros & Cons
Formidable Forms
Pros
- ✓Unique Formidable Views feature turns entries into directories, calendars, and front-end apps
- ✓Calculated fields and complex formula support
- ✓Swiss Army Knife versatility — handles everything from simple forms to full web apps
- ✓Free version available on WordPress.org
- ✓Built-in survey tools rivaling SurveyMonkey
Cons
- ✗Most advanced features locked behind Business ($199.50/yr)
- ✗Steeper learning curve for the Views/app-builder features
- ✗CSS customization can be tricky without developer knowledge
- ✗No Gutenberg-native experience
- ✗Support quality can be inconsistent per user reviews
Happyforms
Pros
- ✓Unique live-preview building experience via WordPress Customizer
- ✓Wide email marketing integration (10+ providers)
- ✓Payments (Stripe + PayPal) and signatures included in Pro
- ✓Save and Resume feature for long forms
- ✓Generous free plan on WordPress.org for basic forms
Cons
- ✗No calculated fields, user registration, or quizzes
- ✗No webhooks
- ✗No hCaptcha or Turnstile (only reCAPTCHA)
- ✗Smaller install base (40K) vs. major competitors
- ✗Customizer-based workflow may feel dated vs. Gutenberg-native approach
Kadence Blocks Forms
Pros
- ✓Seamlessly integrated within Gutenberg page building (no context switching)
- ✓600K+ install base gives confidence in stability and updates
- ✓Clean, well-styled forms that match theme design by default
- ✓Free tier handles basic form needs without any add-ons
- ✓Strong page builder integration
Cons
- ✗No multi-step forms, payments, calculated fields, user registration, surveys, or quizzes
- ✗Forms are secondary to the page building purpose — not a dedicated form solution
- ✗Limited integrations compared to dedicated form plugins
- ✗Pro adds good features but at $119+/yr for a form module feels expensive