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Head-to-head · Security Keys

Security Key Series by Yubico vs Nitrokey 3

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Security Key Series by Yubico #1 in Security Keys 9.4/10 Paid ✓ 1 of 2 features Visit Yubico
Nitrokey 3 #5 in Security Keys 8.9/10 Paid ✓ 1 of 2 features Visit Nitrokey

Security Key Series by Yubico leads on 0 checks, Nitrokey 3 on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSecurity Key Series by Yubico · 9.4/10

Security Key Series by Yubico scores higher on our rubric for security keys: 9.4 against 8.9 out of 10; our editors rank them #1 and #5.

Security Key Series by Yubico is the better fit for most buyers wanting broad, affordable coverage. Nitrokey 3 is the better fit for open-source users needing broad cryptographic support.

  • Security Key Series by Yubico fits best

    Most buyers wanting broad, affordable coverage

  • Nitrokey 3 fits best

    Open-source users needing broad cryptographic support

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Side by side

Feature Security Key Series by Yubico 9.4/10 Visit ↗ Nitrokey 3 8.9/10 Visit ↗
At a glance
Editor score 9.4 8.9
Ranking #1 in Security Keys #5 in Security Keys
Best for Most buyers wanting broad, affordable coverage Open-source users needing broad cryptographic support
Pricing model Paid Paid
Starting price $29/unit one-time €48 one-time
Free plan — —
Free trial — —
Deployment Desktop, Mobile Desktop, Mobile
Platforms Windows, macOS, Linux, iOS, Android Web, Windows, macOS, Linux, iOS, Android
Support Tickets, Docs Email, Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Security Key Series by Yubico 1/2 · Nitrokey 3 1/2
NFC support ✓ ✓
Biometric unlock — Not checked yet
Specs
Authentication standards FIDO2/WebAuthn, FIDO2 CTAP1, FIDO2 CTAP2, FIDO2 CTAP2.1, FIDO U2F WebAuthn, CTAP2/FIDO2, CTAP1/FIDO U2F 1.2, HOTP RFC 4226, TOTP RFC 6238, HOTP verification
USB connector Not checked yet Not checked yet
Device management Vendor app Vendor app
Operating systems Windows, macOS, Linux, iOS, Android Windows, macOS, Linux, BSD, Android, iOS
Our review
Pros
  • FIDO2/WebAuthn and FIDO U2F authentication
  • USB-A, USB-C, and NFC support across five platforms
  • $29 one-time pricing with no battery or network connection required
  • Supports FIDO2, U2F, OpenPGP, S/MIME, X.509, PIV, and OTP
  • Works with Windows, macOS, Linux, BSD, Android, and iOS
  • Offers USB-A, USB-C, Mini, and NFC variants
Cons
  • FIDO-only designs do not provide biometric unlocking
  • No free plan or subscription option
  • USB-A and USB-C require choosing the right connector variant
  • No free plan; models start at €48 one-time
  • NFC is available only on selected variants
  • Connector and feature combinations vary by model
Our verdict

Security Key Series by Yubico is a family of hardware security keys for passwordless, two-factor, and multi-factor authentication. It suits individuals, organizations, and enterprises that want public-key authentication through USB or NFC…

Read the review →

Nitrokey 3 is a family of open-source hardware security keys for two-factor and passwordless authentication, cryptographic key storage, email encryption, password management, and smart-card use. It is aimed at open-source users and…

Read the review →
  1. Security Key Series by YubicoSecurity Keys 9.4Paid
  2. Nitrokey 3Security Keys 8.9Paid

Strengths and trade-offs

  • Security Key Series by Yubico — where it wins

    • FIDO2/WebAuthn and FIDO U2F authentication
    • USB-A, USB-C, and NFC support across five platforms
    • $29 one-time pricing with no battery or network connection required

    Where it doesn't

    • FIDO-only designs do not provide biometric unlocking
    • No free plan or subscription option
    • USB-A and USB-C require choosing the right connector variant
  • Nitrokey 3 — where it wins

    • Supports FIDO2, U2F, OpenPGP, S/MIME, X.509, PIV, and OTP
    • Works with Windows, macOS, Linux, BSD, Android, and iOS
    • Offers USB-A, USB-C, Mini, and NFC variants

    Where it doesn't

    • No free plan; models start at €48 one-time
    • NFC is available only on selected variants
    • Connector and feature combinations vary by model
  • Security Key Series by Yubico9.4/10 · Paid

    Affordable USB and NFC security keys for passwordless and multi-factor authentication.

    Visit YubicoFull verdict →
  • Nitrokey 38.9/10 · Paid

    A versatile open-source key family with broad standards support and a €48 starting price.

    Visit NitrokeyFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update