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Head-to-head · CAPTCHA Software

NetEase Yidun CAPTCHA vs Anubis

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score NetEase Yidun CAPTCHA #7 in CAPTCHA Software 8.4/10 Pricing on request ✓ 3 of 3 features Visit site
Anubis #8 in CAPTCHA Software 8.2/10 Free plan Free plan✓ 0 of 3 features Visit Anubis

NetEase Yidun CAPTCHA leads on 0 checks, Anubis on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreNetEase Yidun CAPTCHA · 8.4/10
  • Free planonly Anubis
  • Most featuresNetEase Yidun CAPTCHA · 3 of 3

NetEase Yidun CAPTCHA scores higher on our rubric for captcha software: 8.4 against 8.2 out of 10; our editors rank them #7 and #8.

NetEase Yidun CAPTCHA is the better fit for mobile apps needing accessible, risk-aware challenges. Anubis is the better fit for small teams self-hosting request-level bot challenges.

  • NetEase Yidun CAPTCHA fits best

    Mobile apps needing accessible, risk-aware challenges

  • Anubis fits best

    Small teams self-hosting request-level bot challenges

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Side by side

Feature NetEase Yidun CAPTCHA 8.4/10 Visit ↗ Anubis 8.2/10 Visit ↗
At a glance
Editor score 8.4 8.2
Ranking #7 in CAPTCHA Software #8 in CAPTCHA Software
Best for Mobile apps needing accessible, risk-aware challenges Small teams self-hosting request-level bot challenges
Pricing model Paid Free
Starting price Pricing on request Free plan
Free plan Not checked yet ✓ (best)
Free trial — —
Deployment Self-hosted Self-hosted
Platforms iOS, Android Linux, Windows
Support Docs Tickets, Community
Built for Small business, Mid-market, Enterprise Solo, Small business
Features NetEase Yidun CAPTCHA 3/3 · Anubis 0/3
Audio challenge ✓ (best) Not checked yet
Accessibility options ✓ (best) Not checked yet
Privacy controls ✓ (best) Not checked yet
Specs
CAPTCHA modes Risk-based Not checked yet
Monthly verifications Not checked yet Not checked yet
SDK platforms Mobile Not checked yet
Our review
Pros
  • Adapts verification difficulty based on detected behavior
  • Offers invisible, visual and voice CAPTCHA challenges
  • Includes screen-reader support and configurable UI parameters
  • 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
  • Platform coverage is limited to Android and iOS
  • Deployment is self-hosted
  • Support channels are limited to documentation
  • 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

For mobile teams that need human verification, NetEase Yidun CAPTCHA combines behavioral risk assessment with a range of challenge types. Its SDK can adapt verification difficulty based on detected behavior, while intelligent invisible…

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. NetEase Yidun CAPTCHACAPTCHA Software 8.4Pricing on request
  2. AnubisCAPTCHA Software 8.2Free plan

Strengths and trade-offs

  • NetEase Yidun CAPTCHA — where it wins

    • Adapts verification difficulty based on detected behavior
    • Offers invisible, visual and voice CAPTCHA challenges
    • Includes screen-reader support and configurable UI parameters

    Where it doesn't

    • Platform coverage is limited to Android and iOS
    • Deployment is self-hosted
    • Support channels are limited to documentation

  • 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
  • NetEase Yidun CAPTCHA8.4/10 · Pricing on request

    Mobile CAPTCHA with adaptive difficulty, accessible challenges and configurable SDKs.

    Visit siteFull verdict →
  • Anubis8.2/10 · Free plan

    A free, open-source reverse proxy for operators who want request-level bot challenges.

    Visit AnubisFull verdict →

More comparisons

All CAPTCHA software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update