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Head-to-head · CAPTCHA Software

Google reCAPTCHA vs Anubis

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Google reCAPTCHA #2 in CAPTCHA Software 9.2/10 Free plan Free plan✓ 2 of 3 features Try Google reCAPTCHA
Anubis #8 in CAPTCHA Software 8.2/10 Free plan Free plan✓ 0 of 3 features Visit Anubis

Google reCAPTCHA leads on 0 checks, Anubis on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreGoogle reCAPTCHA · 9.2/10
  • Free planboth
  • Most featuresGoogle reCAPTCHA · 2 of 3

Google reCAPTCHA scores higher on our rubric for captcha software: 9.2 against 8.2 out of 10; our editors rank them #2 and #8.

Google reCAPTCHA is the better fit for teams protecting websites and Android apps from bots. Anubis is the better fit for small teams self-hosting request-level bot challenges.

  • Google reCAPTCHA fits best

    Teams protecting websites and Android apps from bots

  • Anubis fits best

    Small teams self-hosting request-level bot challenges

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Side by side

Feature Google reCAPTCHA 9.2/10 Visit ↗ Anubis 8.2/10 Visit ↗
At a glance
Editor score 9.2 8.2
Ranking #2 in CAPTCHA Software #8 in CAPTCHA Software
Best for Teams protecting websites and Android apps from bots Small teams self-hosting request-level bot challenges
Pricing model Free plan + paid Free
Starting price — Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Mobile Self-hosted
Platforms Web, Android Linux, Windows
Support Docs, Community Tickets, Community
Built for Small business, Mid-market, Enterprise Solo, Small business
Features Google reCAPTCHA 2/3 · Anubis 0/3
Audio challenge ✓ (best) Not checked yet
Accessibility options ✓ (best) Not checked yet
Privacy controls Not checked yet Not checked yet
Specs
CAPTCHA modes Not checked yet Not checked yet
Monthly verifications 10000 /mo Not checked yet
SDK platforms Both Not checked yet
Our review
Pros
  • Offers score-based, checkbox and invisible verification modes
  • Essentials includes up to 10,000 assessments per organization each month
  • Supports Android apps, screen readers and audio CAPTCHA challenges
  • Proof-of-work challenges with configurable difficulty and algorithm
  • Policies can allow, deny, challenge, or weigh requests
  • Reverse proxying, Prometheus-style metrics, and health checks
Cons
  • Essentials requests stop after the free quota unless billing is enabled
  • Premium pricing changes after 10,000 and 100,000 monthly assessments
  • Enterprise requires a fixed monthly volume commitment
  • Requires self-hosting in front of an existing service
  • No behavioral analysis or device fingerprinting
  • Focused on request challenges rather than a broad managed CAPTCHA service
Our verdict

Google reCAPTCHA helps protect websites and mobile applications from automated abuse, spam and fraud. It is suited to teams that want bot checks across web and Android, with options ranging from background risk scoring to visible…

Read the review →

Anubis is an open-source reverse proxy utility for website operators who want to protect an upstream service from scraper bots, including AI crawlers. It evaluates incoming requests against configurable policies and can allow, deny, weigh,…

Read the review →
  1. Google reCAPTCHACAPTCHA Software 9.2Free plan
  2. AnubisCAPTCHA Software 8.2Free plan

Strengths and trade-offs

  • Google reCAPTCHA — where it wins

    • Offers score-based, checkbox and invisible verification modes
    • Essentials includes up to 10,000 assessments per organization each month
    • Supports Android apps, screen readers and audio CAPTCHA challenges

    Where it doesn't

    • Essentials requests stop after the free quota unless billing is enabled
    • Premium pricing changes after 10,000 and 100,000 monthly assessments
    • Enterprise requires a fixed monthly volume commitment

  • Anubis — where it wins

    • Proof-of-work challenges with configurable difficulty and algorithm
    • Policies can allow, deny, challenge, or weigh requests
    • Reverse proxying, Prometheus-style metrics, and health checks

    Where it doesn't

    • Requires self-hosting in front of an existing service
    • No behavioral analysis or device fingerprinting
    • Focused on request challenges rather than a broad managed CAPTCHA service

More comparisons

All CAPTCHA software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update