
SpecialistEnterprise AI and plagiarism detection for content integrity
hCaptcha records 5,446,045 monthly visits with +18.7% month-over-month growth and Freemium, Free Trial, Contact for Pricing, Free pricing. Omnilert records 35,214 monthly visits with +17.7% growth and Contact for Pricing pricing.

AI gun detection and automated emergency response for your existing security cameras
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | hcaptcha.com | omnilert.com |
| Pricing Model | Freemium, Free Trial, Contact for Pricing, Free | Contact for Pricing |
| Monthly Visits | 5.45M (5,446,045) | 35.21K (35,214) |
| MoM Traffic Delta | +858.28K (+18.7%) | +5.3K (+17.7%) |
| Primary Market & Share | 🇺🇸 United States (18%) | 🇺🇸 United States (71.9%) |
| Direct Visits / mo | 3.05M | 7.99K |
| User Rating | 4.1 | 4.6 |
| Supported Platforms | Website | Website |

Privacy-first bot detection and fraud prevention for the web
Multi-layered detection delivers risk scores and near-zero false positives, with passive and no-CAPTCHA modes.
Stop transaction fraud, account takeovers and multi-accounting with privacy-preserving signals and no PII.
A stronger, toll-free alternative to SMS MFA that reduces fraud while simplifying the user experience.
Build custom risk models with adaptive learning and enrich your own ML using blinded, compliant signals.

AI gun detection and automated emergency response for your existing security cameras
Turns passive surveillance cameras into proactive early-warning systems that recognize firearms and active-shooter threats in a fraction of a second.
Triggers coordinated actions the moment a threat is confirmed: locking doors, sounding alarms, pushing mobile alerts, engaging displays and notifying police.
Choose UL-certified professional monitoring or human-in-the-loop review within your own security operations center to confirm alerts before response.
Delivers detailed real-time alerts with time, location and imagery across mobile, desktop and on-premise displays, built on long-standing emergency notification expertise.

SpecialistEnterprise AI and plagiarism detection for content integrity

SpecialistAI detector, plagiarism and content-quality checks in one scan
SpecialistAI detector, plagiarism and content-quality checks in one scan

AI dash cameras and fleet safety intelligence that coach drivers in the moment
AI dash cameras and fleet safety intelligence that coach drivers in the moment

See your enterprise the way attackers do — observe, understand, signal, and respond at AI speed
See your enterprise the way attackers do — observe, understand, signal, and respond at AI speed

Free / Open-sourceFree cloud remote access and AI print-failure detection for 3D printers
Free / Open-sourceFree cloud remote access and AI print-failure detection for 3D printers
SpecialistDelivers endpoint security and data erasure tools, but lacks web-based bot detection and challenge features.
SpecialistDelivers endpoint security and data erasure tools, but lacks web-based bot detection and challenge features.

SpecialistSpecializes in protecting AI models against prompt injection and jailbreaks, rather than standard web traffic bot defense.
SpecialistSpecializes in protecting AI models against prompt injection and jailbreaks, rather than standard web traffic bot defense.

AI-powered cloud DLP and security awareness training for SaaS environments
AI-powered cloud DLP and security awareness training for SaaS environments

SpecialistCombines document authentication and ID scanning for fraud prevention, but targets identity verification rather than web traffic filtering.
SpecialistCombines document authentication and ID scanning for fraud prevention, but targets identity verification rather than web traffic filtering.

SpecialistFocuses on facial biometrics and liveness detection for identity verification, but does not provide traditional web CAPTCHAs.
SpecialistFocuses on facial biometrics and liveness detection for identity verification, but does not provide traditional web CAPTCHAs.

AI video analytics for proactive workplace safety and operations
AI video analytics for proactive workplace safety and operations

AI digital risk protection and brand abuse takedowns
AI digital risk protection and brand abuse takedowns