YubiKey 5 Series vs Nitrokey 3

YubiKey 5 Series9.3Visit Nitrokey 38.9Visit

Higher score YubiKey 5 Series #2 in Security Keys 9.3/10 Paid ✓ 1 of 2 features Visit Yubico

vs

Nitrokey 3 #5 in Security Keys 8.9/10 Paid ✓ 1 of 2 features Visit Nitrokey

• YubiKey 5 Series fits best

  Users needing broad authentication features

• Nitrokey 3 fits best

  Open-source users needing broad cryptographic support

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Side by side

Feature	YubiKey 5 Series 9.3/10 Visit ↗	Nitrokey 3 8.9/10 Visit ↗
At a glance
Editor score	9.3	8.9
Ranking	#2 in Security Keys	#5 in Security Keys
Best for	Users needing broad authentication features	Open-source users needing broad cryptographic support
Pricing model	Paid	Paid
Starting price	$58/unit one-time	€48 one-time
Free plan	—	—
Free trial	—	—
Deployment	Desktop, Mobile	Desktop, Mobile
Platforms	Web, Windows, macOS, Linux, iOS, Android	Web, Windows, macOS, Linux, iOS, Android
Support	Tickets, Docs	Email, Community, Docs
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features YubiKey 5 Series 1/2 · Nitrokey 3 1/2
NFC support	✓	✓
Biometric unlock	—	Not checked yet
Specs
Authentication standards	FIDO2/WebAuthn, FIDO U2F, Yubico OTP, OATH-TOTP, OATH-HOTP, PIV smart card, OpenPGP	WebAuthn, CTAP2/FIDO2, CTAP1/FIDO U2F 1.2, HOTP RFC 4226, TOTP RFC 6238, HOTP verification
USB connector	Usb-a	Not checked yet
Device management	Vendor app	Vendor app
Operating systems	Windows, macOS, Linux, iOS, Android, ChromeOS	Windows, macOS, Linux, BSD, Android, iOS
Our review
Pros	Supports FIDO2, U2F, OTP, PIV, OpenPGP, NFC, and Lightning Works across web, Windows, macOS, Linux, iOS, and Android Offers USB-A, USB-C, NFC, Lightning, Nano, and keychain formats	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	Starts at $58 with no free plan Biometric unlock is not supported Choosing among connector and form-factor variants takes care	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	YubiKey 5 Series is a family of hardware security keys for passwordless login, multi-factor authentication, and cryptographic operations. It is designed for consumers, small businesses, and enterprise environments spanning cloud,… 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 →

Strengths and trade-offs

• YubiKey 5 Series — where it wins

  • Supports FIDO2, U2F, OTP, PIV, OpenPGP, NFC, and Lightning
  • Works across web, Windows, macOS, Linux, iOS, and Android
  • Offers USB-A, USB-C, NFC, Lightning, Nano, and keychain formats

  Where it doesn't

  • Starts at $58 with no free plan
  • Biometric unlock is not supported
  • Choosing among connector and form-factor variants takes care

• 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

• YubiKey 5 Series9.3/10 · Paid

  A highly configurable security key family for users who need broad authentication support.

  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 →