No. 19 of 45 ·Biometric Authentication Software

Callsign Behavioral Biometrics

Web · Windows · Android · iPhone · Self-hosted · API

Freedom report

Two barsScore 5.6

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely4 of 6 device platforms
DocumentedPlans, terms and facts published

Callsign Behavioral Biometrics is ranked #19 of 45 in biometric authentication software on Freedom251. It runs on Android, API, iOS, Self-hosted, Web, Windows.

Compared on biometric authentication software

Biometric methods: swipe authentication, keystroke dynamics, behavioral PIN authentication, facial recognition, fingerprint
Deployment model: hybrid
Supported platforms: Web, iOS, Android, Windows
Audit logs: Yes

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The record

Behavioral signals: Callsign analyzes keystroke dynamics, PIN entry, swipes, and how users hold their devices to help identify them.
Passive authentication: The product describes behavioral biometrics as passive authentication intended to minimize interruptions to the customer journey.
Swipe authentication: Callsign says users can authenticate by swiping away a notification, and that authentication takes under 100 milliseconds.
Keystroke dynamics: The system compares typing behavior with learned patterns and uses machine learning to adapt as behavior changes.
Behavioral PIN: Behavioral PIN authentication analyzes when and how buttons are pressed, including finger pressure, speed, angle, and hand or device movement.
Risk signals: The Intelligence Engine passively analyzes data across device, location, behavior, and third-party systems.
Threat detection: Callsign says its platform can detect device risks including malware, bots, jailbroken or tampered devices, and emulators.
Step-up authentication: When the user cannot be positively identified, Callsign says users can be routed to step-up authenticators.
Integration and deployment: Callsign offers REST APIs and says its solutions can be deployed on-premise or in the cloud and integrated with back-end systems.
Security certifications: Callsign lists ISO 27001, ISO 27017, ISO 27018, and SOC 2 Type II among its certifications or attestations.
Data protection: Callsign says data in transit is protected with TLS and data at rest with AES-256-bit encryption.
Intended customers: Callsign describes its platform as helping organizations authenticate customers and prevent fraud across digital journeys.
Pricing availability: The product page directs visitors to book a demo and does not state a price.
Founded: 2012

Where it ranks on Freedom251

Best Biometric Authentication Software in 2026#19 of 45

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Sources

callsign.com/platform/intelligence-engine/behavioral· checked 7 Oct 2026
callsign.com/behavioral-biometrics· checked 7 Oct 2026
callsign.com/platform/intelligence-engine· checked 7 Oct 2026
callsign.com/platform/integration-and-deployment· checked 7 Oct 2026
callsign.com/security-and-compliance/compliance· checked 7 Oct 2026
callsign.com/customer-identity-and-access-management· checked 7 Oct 2026