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hCaptcha
Privacy-focused captcha alternative to reCAPTCHA — free Basic, paid Enterprise / Pro.
Free tier: free Basic plan with privacy-respecting captcha; Enterprise quote-based
What it does well
- Offers a free plan that respects user privacy, unlike its main competitor.
- Provides a simple drop-in replacement for reCAPTCHA with minimal code changes.
- Compliant with major privacy regulations like GDPR and CCPA out of the box.
Where it falls short
- The free tier's image challenges can be more difficult or lengthy for users.
- Advanced features like passive or invisible modes require a paid Enterprise plan.
- Limited customization and analytics are available on the free Basic plan.
Alternatives to hCaptcha
Cloudflare Turnstile
freeFree Cloudflare CAPTCHA replacement — invisible by default, 1M challenges/mo on free tier.
Google reCAPTCHA Enterprise
freemiumGoogle's enterprise captcha + risk scoring — first 10K assessments/mo free, $1/1K above.
GuardLabs Anti-Fraud
paidReferral / signup antifraud pipeline — Turnstile + 9 automated checks + 14-day hold + admin queue. From $99 one-time.
Stripe Radar
freemiumBuilt-in fraud scoring for Stripe payments — free with standard fees, $0.02/transaction add-on for custom rules.