vs
Comparison
Castle vs Friendly Captcha
Who’s behind each, what their homepages track, what they cost and how often their policies changed, measured the same way for both. By what they offer, they’re close.
Castle provides SDKs and APIs for detecting bots, account takeover, fake signups and in-app fraud using device fingerprinting, IP and email intelligence, behavioral analysis and a rules engine for real-time allow, challenge or deny decisions.
Friendly Captcha provides a privacy-compliant, proof-of-work based CAPTCHA alternative that runs invisibly in the background to protect websites and apps from bots and spam, with paid tiers and a free plan for non-commercial use.
- Company
- Not stated
- Not stated
- Registered in
- Unknown
- Unknown
- Online since
- Unknown
- Unknown
- Audience
- Smaller site
- Smaller site
- Trackers on the homepage
-
- Visitor analytics: PostHog
- fewer
- Ad trackers
- None
- None
- Cookie banner
- –
- –
- Prices
- No pricing page found
- No pricing page found
- Last price change
- –
- –
- Privacy policy changes
- 0
- 0
- Terms changes
- 0
- 0
- Open positions
- –
- –
Trackers are what each homepage loads before cookie consent; changes count since we started checking each site weekly. Hover a dotted value for its source and date.