Replace heavy, privacy-invading third-party scripts with a powerful, GDPR-compliant anti-spam solution that runs directly on your WordPress server. Unlock intelligent adaptive challenges with Pro.
Serves easy math challenges to regular users, but scales up to distorted characters if suspicious behavior is detected.
Visual arithmetic.
Custom Q&A pool.
Deep Integration with WordPress Form Builders
The free version is great, but Pro gives you adaptive intelligence, better user experience, and unbreakable server-side validation.
An intelligent bot-risk mode that serves easy math challenges to normal users, but scales up to heavily distorted codes if suspicious behavior is detected.
Require users to solve simple, visually distorted arithmetic formulas. Perfect for balancing security with high conversion rates.
Define custom Q&A pools relevant to your audience (e.g., "Is fire hot or cold?"). Confuses automated generic scraper bots easily.
Runs locally using secure server-side PHP sessions. No external scripts, no tracking cookies, and no data sent to third parties.
Dynamic difficulty utilizing advanced GD Library techniques: Sine Wave warping, Gaussian blur, pixelation, and edge outlining to defeat OCR bots.
Track passed, failed, and blocked attempts. Configure strict rate limits, max retries, and automatic IP lockouts to stop brute force.
See exactly what you get when you upgrade.
| Feature | Free | Invenza Pro |
|---|---|---|
| Standard Image CAPTCHA | ||
| Form Builder Integrations | ||
| Rate Limiting & IP Lockout | ||
| Math CAPTCHA Pro | ||
| Text Challenge (Custom Q&A) Pro | ||
| Auto Mode (Adaptive Bot-Risk) Pro | ||
| Premium Support | Forum Only | Priority Ticket |
Choose the plan that fits your website needs. Unlock Pro features in minutes via Enterprise License Key.
Perfect for basic form protection.
Flexible month-to-month license.
Advanced protection for 1 site.
Great for small agencies or multi-site setups.
For high volume agencies and developers.
Pay once, enjoy forever with VIP updates.
No. Invenza CAPTCHA for All Forms generates images instantly on the server using PHP's highly optimized GD library. It avoids loading heavy external JavaScript libraries like traditional reCAPTCHA.
Yes! 100% GDPR compliant. The plugin uses secure server-side PHP sessions to validate codes. No user data, IPs, or cookies are sent to third-party servers.
By default, the plugin limits generation to 50 times per minute per IP to prevent spam attacks. You can easily increase this threshold in the Security & Anti-Bot Options section of the settings page.
After purchasing, go to the Enterprise License tab in the plugin settings and paste your license key (starting with FCAC-ENT-) to instantly unlock Math, Text, and Auto modes.