Cap Captcha Alternatives & Competitors

reCAPTCHA is a free security service that protects your websites from spam and abuse.

Key reCAPTCHA features:

Security Ease of Implementation User Experience Constant Improvement

Do you use a captcha to keep out bots? hCaptcha is a drop-in replacement for reCAPTCHA that earns website owners money and helps companies get their data labeled.

Key hCaptcha features:

Privacy Security Monetization Customization

Redact, edit, OCR, and sign PDFs entirely in your browser. The file never leaves your device. Free, no account needed.

Key KeptPDF features:

Simple PDF Editing Web-Based Accessibility Multiple File Format Support No Installation Required

Visit website freemium $29 / Monthly (Pro, 1 user)

Independent, privacy-first, self-hostable CAPTCHA service made in EU.

Key Private Captcha features:

privacy GDPR compliance accessibility

Open Source paid Free Trial €12 / Annually

Cloudflare's service for any company to replace CAPTCHAs and deliver a better experience to web visitors. .

Key Cloudflare Turnstile features:

Accessibility Privacy-Focused Improved User Experience Security

the modern spam protection.

Key mosparo features:

Accessible Data-saving Free-to-use Self-hosted

Open Source

GeeTest protects your websites, mobile Apps and APIs from bot threats.

Key GeeTest CAPTCHA features:

User-friendly design High security Mobile compatibility Customizable

freemium

ALTCHA is a free CAPTCHA alternative that uses a proof-of-work mechanism to protect your website, and online services from spam.

Key ALTCHA features:

Privacy-friendly, GDPR compliant Frustration-free Spam Filtering Open-source

Open Source free

Next-Generation Anti-Bot Protection. No Google. Visual puzzles are optional. Secure your web applications against bots and mass traffic using our privacy-first adaptive friction system.

Key CrafyCAPTCHA features:

Optimized User Experience (UX) True Privacy (GDPR Compliance) Absolute Aesthetic Customization

freemium $12.99 / Monthly (Growth: 100,000 requests / month)

Privacy-first CAPTCHA API that protects your apps without tracking users or relying on reCAPTCHA.

paid Free Trial $5 / Usage

We stop online threats from becoming real-world attacks.

Key Ironwall features:

Signature Protection Premium Protection Executive Protection

paid

Akismet is a spam fighting service that protects millions of WordPress sites from comment and contact form spam.

Key Akismet features:

Effective Spam Filtering Easy Integration Automated Operation Regular Updates

Onboard and verify mobile users with a single SMS.

Key RingCaptcha features:

Ease of Integration Global Reach Security User Experience

Privacy-first analytics, captcha, and feedback in one script. No cookies. No raw IP storage. No fingerprinting. Start free.

Key PrivateStater features:

Privacy-Focused Simple Interface No Registration Required Supports Ethereum Staking Ecosystem