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Head-to-head · Bot Detection

Fingerprint vs Castle Bot Detection

  • Updated Oct 2026
  • Both researched from official sources
  • 8 checks side by side
Higher score Fingerprint #4 in Bot Detection 8.6/10 Free plan · 14-day trial Free planFree trial✓ 0 of 6 features Visit Fingerprint
Castle Bot Detection #7 in Bot Detection 7.9/10 Free plan Free plan✓ 6 of 6 features Visit Castle

Fingerprint leads on 1 check, Castle Bot Detection on 0, and 7 are even. Who comes out ahead on the 8 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreFingerprint · 8.6/10
  • Lowest starting priceFingerprint · $99/mo
  • Free planboth
  • Free trialonly Fingerprint
  • Most featuresCastle Bot Detection · 6 of 6

Fingerprint scores higher on our rubric for bot detection: 8.6 against 7.9 out of 10; our editors rank them #4 and #7.

Fingerprint is cheaper to start at $99/mo against $200/mo.

Fingerprint is the better fit for teams needing visitor identity and bot signals. Castle Bot Detection is the better fit for teams seeking affordable behavioral bot detection.

  • Fingerprint fits best

    Teams needing visitor identity and bot signals

  • Castle Bot Detection fits best

    Teams seeking affordable behavioral bot detection

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Fingerprint 8.6/10 Visit ↗ Castle Bot Detection 7.9/10 Visit ↗
At a glance
Editor score 8.6 7.9
Ranking #4 in Bot Detection #7 in Bot Detection
Best for Teams needing visitor identity and bot signals 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 14 days —
Deployment Cloud, Mobile Cloud, Browser extension
Platforms Web, iOS, Android Web, iOS, Android
Support Community, Docs Live chat, Email, Docs
Compliance GDPR, ISO 27001, SOC 2, SSO/SAML SOC 2, GDPR
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Fingerprint 0/6 · Castle Bot Detection 6/6
Behavioral analysis Not checked yet ✓ (best)
Device fingerprinting Not checked yet ✓ (best)
JavaScript SDK Not checked yet ✓ (best)
Real-time scoring API Not checked yet ✓ (best)
Challenge tools Not checked yet ✓ (best)
Account abuse detection Not checked yet ✓ (best)
Specs
Protected requests Not checked yet 40000 requests/mo
Our review
Pros
  • Persists visitor identification across sessions and changing networks
  • Real-time signals cover bots, VPNs, geolocation, and device tampering
  • Web and mobile SDKs plus proxy, CDN, and analytics 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
  • Provides signals and filtering rules rather than full case management
  • Free plan limits Android API calls to 500,000 per month
  • Enterprise pricing is custom rather than a published monthly amount
  • 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

Fingerprint is a cloud device-intelligence service for engineering, security, and fraud teams that need to identify web and mobile visitors and assess suspicious activity. It generates persistent visitor IDs across sessions and changing…

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. FingerprintBot Detection 8.6Free plan · 14-day trial
  2. Castle Bot DetectionBot Detection 7.9Free plan

Strengths and trade-offs

  • Fingerprint — where it wins

    • Persists visitor identification across sessions and changing networks
    • Real-time signals cover bots, VPNs, geolocation, and device tampering
    • Web and mobile SDKs plus proxy, CDN, and analytics integrations

    Where it doesn't

    • Provides signals and filtering rules rather than full case management
    • Free plan limits Android API calls to 500,000 per month
    • Enterprise pricing is custom rather than a published monthly amount

  • 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
  • Fingerprint8.6/10 · Free plan · 14-day trial

    A device-intelligence service for identifying visitors and flagging suspicious activity.

    Visit FingerprintFull verdict →
  • Castle Bot Detection7.9/10 · Free plan

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

    Visit CastleFull verdict →

More comparisons

All bot detection comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update