Best StrongKey FIDO Server Alternatives in 2026

Free#24 of 45 in Biometric Authentication Software

The top StrongKey FIDO Server alternatives are Sensory TrulySecure, 1Kosmos BlockID and HID DigitalPersona: 15 biometric authentication software our editors would look at instead of StrongKey FIDO Server, in our ranking order.

6.5/10★★★☆☆Editor score

Visit StrongKey

StrongKey FIDO Server6.5 Visit StrongKey

• 15 alternatives
• Updated Oct 2026
• Our StrongKey FIDO Server verdict

StrongKey FIDO Server: A strong open-source FIDO platform for organizations prioritizing passwordless access. Where it falls short: biometric support centers on apple and android phone biometrics.

All 15 StrongKey FIDO Server Alternatives, Ranked

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.

1. 1
   ST
   Sensory TrulySecure 9.0

   Best forOn-device face and voice biometrics

   • Better than StrongKey FIDO Server:
   • Editor score 9.0 vs 6.5

   A focused SDK for device makers needing on-device face, voice, and liveness authentication.

   Pricing on request Our Sensory TrulySecure verdict → + Compare Contact Sensory
   9.0/10★★★★☆

   Contact Sensory
2. 2
   
   1Kosmos BlockID 8.8

   Best forEnterprise passwordless biometric workforce access

   • Better than StrongKey FIDO Server:
   • Editor score 8.8 vs 6.5

   Enterprise passwordless access combining biometrics, FIDO2, identity verification, and integrations.

   • Audit logs

   Pricing on request Our 1Kosmos BlockID verdict → + Compare Visit 1Kosmos
   8.8/10★★★★☆

   Visit 1Kosmos
3. 3
   HD
   HID DigitalPersona 8.7

   Best forMature Windows-focused biometric deployments

   • Better than StrongKey FIDO Server:
   • Editor score 8.7 vs 6.5

   A broad biometric and MFA platform for Windows-centered enterprise access.

   Pricing on request Our HID DigitalPersona verdict → + Compare Visit HID
   8.7/10★★★★☆

   Visit HID
4. 4
   
   Secret Double Octopus 8.6

   Best forHybrid enterprise passwordless authentication

   • Better than StrongKey FIDO Server:
   • Editor score 8.6 vs 6.5

   A hybrid enterprise authentication platform for broad passwordless coverage.

   Pricing on request Our Secret Double Octopus verdict → + Compare Visit site
   8.6/10★★★★☆

   Visit site
5. 5
   DI
   Daon IdentityX 8.5

   Best forHigh-assurance identity programs

   • Better than StrongKey FIDO Server:
   • Editor score 8.5 vs 6.5

   A high-assurance identity platform combining biometrics, FIDO2, onboarding, and audit controls.

   • Audit logs

   Pricing on request Our Daon IdentityX verdict → + Compare Visit Daon
   8.5/10★★★★☆

   Visit Daon
6. 6
   
   VeridiumID 8.4

   Best forMultimodal biometric deployments

   • Better than StrongKey FIDO Server:
   • Editor score 8.4 vs 6.5

   A hybrid enterprise platform for multimodal biometrics, passwordless MFA, and identity assurance.

   • Audit logs

   Pricing on request Our VeridiumID verdict → + Compare Visit VeridiumID
   8.4/10★★★★☆

   Visit VeridiumID
7. 7
   
   authID 8.3

   Best forEnterprise facial authentication

   • Better than StrongKey FIDO Server:
   • Editor score 8.3 vs 6.5

   A broad enterprise biometric platform with privacy-preserving authentication, passkeys, and audit logs.

   • Audit logs

   Pricing on request · 30-day trial Our authID verdict → + Compare Visit authID
   8.3/10★★★★☆

   Visit authID
8. 8
   IW
   iProov Workforce MFA 8.2

   Best forWorkforce facial MFA

   • Better than StrongKey FIDO Server:
   • Editor score 8.2 vs 6.5

   A cloud facial MFA service with liveness, recovery, audit persistence, and identity integrations.

   • Audit logs

   Pricing on request Our iProov Workforce MFA verdict → + Compare Visit iProov
   8.2/10★★★★☆

   Visit iProov
9. 9
   
   BIO-key PortalGuard 8.1

   Best forEstablished workforce biometrics

   • Better than StrongKey FIDO Server:
   • Editor score 8.1 vs 6.5

   A hybrid IAM platform for established workforces that need biometrics and layered authentication.

   • Audit logs

   Pricing on request Our BIO-key PortalGuard verdict → + Compare Visit BIO-key
   8.1/10★★★★☆

   Visit BIO-key
10. 10
    
    Transmit Security Mosaic 8.0

    Best forLarge enterprises combining biometrics and fraud controls

    • Better than StrongKey FIDO Server:
    • Editor score 8.0 vs 6.5

    A broad enterprise platform for biometrics, identity orchestration, verification, and fraud response.

    • Audit logs

    Pricing on request Our Transmit Security Mosaic verdict → + Compare Visit site
    8.0/10★★★★☆

    Visit site
11. 11
    
    Beyond Identity Authenticator 7.9

    Best forDevice-bound biometric passkeys

    • Better than StrongKey FIDO Server:
    • Editor score 7.9 vs 6.5

    A focused platform authenticator for biometric, device-bound passkey access.

    Pricing on request Our Beyond Identity Authenticator verdict → + Compare Contact sales
    7.9/10★★★★☆

    Contact sales
12. 12
    
    Entersekt Biometric Authentication 7.8

    Best forMobile-native biometric authorization

    • Better than StrongKey FIDO Server:
    • Editor score 7.8 vs 6.5

    A focused authentication platform for mobile-first financial services and high-risk actions.

    Pricing on request Our Entersekt Biometric Authentication verdict → + Compare Visit Entersekt
    7.8/10★★★★☆

    Visit Entersekt
13. 13
    
    FacePhi Selphi 7.7

    Best forFacial matching and identification

    • Better than StrongKey FIDO Server:
    • Editor score 7.7 vs 6.5

    A cross-platform facial biometrics solution for authentication, identification, and liveness checks.

    Pricing on request Our FacePhi Selphi verdict → + Compare Visit FacePhi
    7.7/10★★★★☆

    Visit FacePhi
14. 14
    
    Callsign Behavioral Biometrics 7.6

    Best forBehavioral biometric risk detection

    • Better than StrongKey FIDO Server:
    • Editor score 7.6 vs 6.5

    A behavioral risk engine for organizations seeking lower-friction authentication.

    • Audit logs

    Pricing on request Our Callsign Behavioral Biometrics verdict → + Compare Visit Callsign
    7.6/10★★★★☆

    Visit Callsign
15. 15
    
    Signicat Passkeys 7.5

    Best forNo-code browser passkey authentication

    • Better than StrongKey FIDO Server:
    • Editor score 7.5 vs 6.5

    A managed passkey service for no-code, phishing-resistant browser authentication.

    • Audit logs

    Pricing on request Our Signicat Passkeys verdict → + Compare Visit Signicat
    7.5/10★★★★☆

    Visit Signicat

How to Switch from StrongKey FIDO Server

1. Export your data from StrongKey FIDO Server (most tools have an export in their settings).
2. Sign up for the alternative; start on its free plan or trial if it has one.
3. Import your export and set up the integrations your team relies on.
4. Run both side by side for a short while, then cancel StrongKey FIDO Server.

StrongKey FIDO Server vs Each Alternative

#	Tool	Paid from	Biometric methods	Deployment model	Supported platforms	Score
24	StrongKey FIDO Server	Free	Apple and Android phone biometrics; FIDO2-certified authenticators	Hybrid	Web browsers, Windows 10, Android 7, Apple iPhone, Android devices, FIDO-certified authenticators	6.5
1	STSensory TrulySecure		face, voice	Self-hosted	Android, iOS	9.0
2	1Kosmos BlockID		facial biometrics, fingerprint, Touch ID, Face ID, LiveID	Cloud	Windows, macOS, Linux, iOS, Android, web browsers	8.8
3	HDHID DigitalPersona					8.7
4	Secret Double Octopus					8.6
5	DIDaon IdentityX		fingerprint, face, voice, eye, palm, liveness detection, device authentication	Hybrid	web browsers on mobile devices and PCs; mobile, web, and in-person channels	8.5
6	VeridiumID		Fingerprint, facial recognition, VFace, Four-Fingers ID, Touch ID, Face ID, desktop fingerprint sensors	Hybrid	Web, Windows, iOS, Android, mobile devices, computers, tablets	8.4
7	authID		facial biometrics	Cloud	Web browsers; Windows; macOS; iOS; Android	8.3
8	IWiProov Workforce MFA		facial biometrics, liveness detection, face matching	Cloud	web, iOS, Android	8.2
9	BIO-key PortalGuard		fingerprint, palm scan, facial recognition, voice biometrics	Hybrid	Windows, macOS, web browsers	8.1
10	Transmit Security Mosaic		face, fingerprint, device biometrics	Cloud	web, Android, iOS, API	8.0
11	Beyond Identity Authenticator				Windows, macOS, Linux, iOS/iPadOS, Android	7.9
12	Entersekt Biometric Authentication		Face ID, Touch ID, device-native biometrics, FIDO passkeys	Cloud	Web browsers and mobile applications	7.8
13	FacePhi Selphi		facial recognition; passive liveness	Hybrid	web; Windows; Linux; Android; iOS	7.7
14	Callsign Behavioral Biometrics		swipe authentication, keystroke dynamics, behavioral PIN authentication, facial recognition, fingerprint	Hybrid	web, iOS, Android, Windows	7.6
15	Signicat Passkeys		fingerprint, facial recognition, device PIN	Cloud	web browsers, mobile phones, tablets, laptops	7.5

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated 7 Oct 2026 · How we research and update