Quick Verdict
Choose Bit Form if...
Performance-focused developers and agencies who prioritize page speed and want a lightweight, full-featured form builder with lifetime pricing.
Choose Contact Form 7 if...
Simple Contact Us email forms on sites where budget is zero and simplicity is paramount.
Choose Kadence Blocks Forms if...
Existing Kadence Blocks users who need simple-to-moderate forms without installing a separate plugin.
Feature Comparison
| Feature | Bit Form | Contact Form 7 | 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 | Bit Form | Contact Form 7 | Kadence Blocks Forms |
|---|---|---|---|
| Free Version | ✓Free | ✓Free | ✓Free |
| Starting Price | $29/year | Free only | $119/year |
| Top Tier | Agency: $79/year | — | Ultimate Bundle: $299/year |
| Lifetime Deal | From $89 | ✗ | From $899 |
Integrations
Email Marketing
| activecampaign | ✓ | ✗ | ✓ |
| aweber | ✗ | ✗ | ✓ |
| convertkit | ✗ | ✗ | ✓ |
| mailchimp | ✓ | ✗ | ✓ |
| mailerlite | ✓ | ✗ | ✗ |
| mailpoet | ✓ | ✗ | ✗ |
| moosend | ✓ | ✗ | ✗ |
Payment
| mollie | ✓ | ✗ | ✗ |
| paypal | ✓ | ✗ | ✗ |
| razorpay | ✓ | ✗ | ✗ |
| stripe | ✓ | ✗ | ✗ |
CRM
| hubspot | ✓ | ✗ | ✓ |
| zoho | ✓ | ✗ | ✗ |
Automation
| make | ✓ | ✗ | ✗ |
| webhooks | ✓ | ✗ | ✓ |
| zapier | ✓ | ✗ | ✓ |
Other
| airtable | ✓ | ✗ | ✗ |
| akismet | ✗ | ✓ | ✗ |
| brevo | ✗ | ✓ | ✗ |
| discord | ✓ | ✗ | ✗ |
| flamingo | ✗ | ✓ | ✗ |
| google drive | ✓ | ✗ | ✗ |
| google sheets | ✓ | ✗ | ✓ |
| recaptcha | ✗ | ✓ | ✗ |
| slack | ✓ | ✗ | ✗ |
| stripe | ✗ | ✓ | ✗ |
| telegram | ✓ | ✗ | ✗ |
| trello | ✓ | ✗ | ✗ |
| turnstile | ✗ | ✓ | ✗ |
| woocommerce | ✓ | ✗ | ✗ |
Pros & Cons
Bit Form
Pros
- ✓Extremely lightweight frontend (~15KB JS+CSS) — the smallest footprint of any form builder
- ✓Generous free version with conditional logic, 50+ integrations, calculated fields, and multi-step forms
- ✓Affordable lifetime deals — Agency Lifetime for unlimited sites under $200
- ✓All features included in every paid tier — no nickel-and-diming with add-ons
- ✓40+ field types with a modern, clean builder UI
Cons
- ✗Smaller template library (25+) compared to major competitors
- ✗Small user base (10K+) means fewer community tutorials and third-party resources
- ✗No dedicated survey, quiz, or scheduling features
- ✗Individual field styling locked behind Pro version
- ✗A critical security vulnerability (CVE-2025-6679) was disclosed in 2025
Contact Form 7
Pros
- ✓10,000,000+ active installs — the most installed form plugin ever
- ✓Completely free, always
- ✓Maximum compatibility with all themes and plugins
- ✓Simple, clean markup-based form creation
- ✓Battle-tested over 15+ years
Cons
- ✗No drag-and-drop builder — requires knowledge of shortcode markup
- ✗Does not save submissions to the database by default — email only
- ✗No conditional logic, calculations, multi-step forms, or payments natively
- ✗Has not evolved significantly in years; feels dated
- ✗Heavy reliance on third-party add-ons for any advanced functionality
Kadence Blocks Forms
Pros
- ✓Seamlessly integrated within Gutenberg page building (no context switching)
- ✓400K+ 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