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Head-to-head · Bot Detection

hCaptcha Bot Detection vs Castle Bot Detection

  • Updated Sep 2026
  • Both researched from official sources
  • 9 checks side by side
Higher score hCaptcha Bot Detection #6 in Bot Detection 7.6/10 Free plan · paid from $99/mo (annual) · 14-day trial Free plan✓ 6 of 6 features Visit hCaptcha
Castle Bot Detection #7 in Bot Detection 7.5/10 Free plan · paid from $200/mo Free plan✓ 6 of 6 features Visit Castle

hCaptcha Bot Detection leads on 2 checks, Castle Bot Detection on 0, and 7 are even. Who comes out ahead on the 9 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorehCaptcha Bot Detection · 7.6/10
  • Lowest starting pricehCaptcha Bot Detection · $99/mo
  • Free planboth

hCaptcha Bot Detection scores higher on our rubric for bot detection: 7.6 against 7.5 out of 10; our editors rank them #6 and #7.

hCaptcha Bot Detection is cheaper to start at $99/mo against $200/mo. hCaptcha Bot Detection leads on protected requests: 100000 requests/mo versus 40000 requests/mo.

hCaptcha Bot Detection is the better fit for teams pairing bot checks with CAPTCHA and MFA. Castle Bot Detection is the better fit for teams seeking affordable behavioral bot detection.

  • hCaptcha Bot Detection fits best

    Teams pairing bot checks with CAPTCHA and MFA

  • Castle Bot Detection fits best

    Teams seeking affordable behavioral bot detection

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature hCaptcha Bot Detection 7.6/10 Visit ↗ Castle Bot Detection 7.5/10 Visit ↗
At a glance
Editor score 7.6 7.5
Ranking #6 in Bot Detection #7 in Bot Detection
Best for Teams pairing bot checks with CAPTCHA and MFA Teams seeking affordable behavioral bot detection
Pricing model Free plan + paid Free plan + paid
Starting price $99/mo (best) $200/mo
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Mobile Cloud, Browser extension
Platforms Web, iOS, Android Web, iOS, Android
Support Email, Docs · 24/7 Live chat, Email, Docs
Compliance GDPR, SOC 2, ISO 27001, PCI DSS, SSO/SAML SOC 2, GDPR
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features hCaptcha Bot Detection 6/6 · Castle Bot Detection 6/6
Behavioral analysis ✓ ✓
Device fingerprinting ✓ ✓
JavaScript SDK ✓ ✓
Real-time scoring API ✓ ✓
Challenge tools ✓ ✓
Account abuse detection ✓ ✓
Specs
Protected requests 100000 requests/mo (best) 40000 requests/mo
Our review
Pros
  • Analyzes behavioral, device, network, and intent signals in real time
  • Rules can allow, challenge, rescore, or deny requests
  • Covers web, iOS, Android, and API, with framework integrations
  • Behavioral, device, IP and email signals in one detection workflow
  • Risk and Filter APIs support allow, challenge or deny decisions
  • Covers web, API, iOS and Android deployments
Cons
  • Bot Detection is positioned as an Enterprise capability with custom pricing
  • The published $99 annual Pro plan is not a separate Bot Detection tier
  • Pro includes 100K monthly evals, then charges $0.99 per 1K
  • Free plan limits retention to 3 days, with 3 seats and 1 environment
  • Pro's $200 API budget is shared across requests and IP lookups
  • Enterprise pricing starts at $4,000 per month
Our verdict

hCaptcha Bot Detection is part of hCaptcha Enterprise, a bot and fraud management platform for websites, applications, APIs, and login flows. It is aimed at teams that need to assess requests and respond to suspected automation or abuse,…

Read the review →

Castle Bot Detection analyzes browser interactions, device properties, IP addresses and email signals to identify automated traffic and account abuse. Its Browser SDK collects behavioral and device data, then creates request tokens that a…

Read the review →
  1. hCaptcha Bot DetectionBot Detection 7.6Free plan · paid from $99/mo (annual) · 14-day trial
  2. Castle Bot DetectionBot Detection 7.5Free plan · paid from $200/mo

Strengths and trade-offs

  • hCaptcha Bot Detection — where it wins

    • Analyzes behavioral, device, network, and intent signals in real time
    • Rules can allow, challenge, rescore, or deny requests
    • Covers web, iOS, Android, and API, with framework integrations

    Where it doesn't

    • Bot Detection is positioned as an Enterprise capability with custom pricing
    • The published $99 annual Pro plan is not a separate Bot Detection tier
    • Pro includes 100K monthly evals, then charges $0.99 per 1K

  • Castle Bot Detection — where it wins

    • Behavioral, device, IP and email signals in one detection workflow
    • Risk and Filter APIs support allow, challenge or deny decisions
    • Covers web, API, iOS and Android deployments

    Where it doesn't

    • Free plan limits retention to 3 days, with 3 seats and 1 environment
    • Pro's $200 API budget is shared across requests and IP lookups
    • Enterprise pricing starts at $4,000 per month
  • hCaptcha Bot Detection7.6/10 · Free plan · paid from $99/mo (annual) · 14-day trial

    Combines behavioral bot checks with configurable rules, CAPTCHA, and MFA challenges.

    Visit hCaptchaFull verdict →
  • Castle Bot Detection7.5/10 · Free plan · paid from $200/mo

    Behavioral bot detection across web, APIs and mobile, with a free entry plan.

    Visit CastleFull verdict →

More comparisons

All bot detection comparisons → · Full ranking →

Guides on bot detection

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update