SoloKeys Alternatives

SoloKeys is described as 'Solo is an open source security key, and you can get one at solokeys.com' and is an app in the security & privacy category. There are more than 10 alternatives to SoloKeys for a variety of platforms, including Android, iPhone, Linux, Mac and iPad apps. The best SoloKeys alternative is 2FA Authenticator (2FAS), which is both free and Open Source. Other great apps like SoloKeys are Google Authenticator, andOTP, YubiKey and Nitrokey.

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SoloKeys alternatives page was last updated May 2, 2025

2FA Authenticator (2FAS)
48 likes
2FAS Authenticator is a simple and free application for Two Factor Authentication (2FA Authentication) which generates Time-based One-time Passwords (TOTP) and PUSH authentication*.
69 2FA Authenticator (2FAS) alternatives
Cost / License
Free
Open Source
Application type
Authenticator
Origin
United States
Platforms
Android
iPhone
Android Tablet
iPad
Google Chrome
Mozilla Firefox
Is this a good alternative to SoloKeys?
2FA Authenticator (2FAS) is the most popular Android, iPhone, iPad & Android Tablet alternative to SoloKeys.
2FA Authenticator (2FAS) is the most popular Open Source & free alternative to SoloKeys.
2FA Authenticator (2FAS) is Free and Open SourceSoloKeys is Paid and Open Source
2FA Authenticator (2FAS) is Privacy focused and LightweightSoloKeys is not according to our users
Google Authenticator
77 likes
Google Authenticator generates 2-Step Verification codes on your phone.
88 Google Authenticator alternatives
Cost / License
Free
Proprietary
Application type
Authenticator
Origin
United States
Platforms
Android
iPhone
Android Tablet
iPad
Is Google Authenticator a good alternative to SoloKeys?
andOTP
78 likes
It implements Time-based One-time Passwords (TOTP) and HMAC-Based One-Time Passwords (HOTP). Simply scan the QR code and login with the generated 6-digit code.
56 andOTP alternatives
Cost / License
Free
Open Source
Application type
Authenticator
Origin
Germany
EU
Alerts
Discontinued
Platforms
Android
Android Tablet
Is andOTP a good alternative to SoloKeys?
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Nitrokey
Provides robust USB-based encryption, digital signing, and secure login with hardware-level secret key storage, user-defined PIN, tamper-proof smart card, open source design, email and data encryption compatibility, virus protect...

https://www.nitrokey.com
Learn More
YubiKey
34 likes
The multi-protocol security key offers the highest assurance, protecting devices with passwordless workflows and strong 2FA against phishing. It plugs into computers, tablets, and mobile devices, integrates PIN or biometric for identity verification, and reduces helpdesk costs.
26 YubiKey alternatives
Cost / License
Pay once
Proprietary
Application type
Authenticator
Origin
Sweden
EU
Platforms
Mac
Windows
Linux
Google Chrome
Is YubiKey a good alternative to SoloKeys?
YubiKey is the most popular Windows, Mac & Linux alternative to SoloKeys.
YubiKey is the most popular commercial alternative to SoloKeys.
YubiKey is Paid and ProprietarySoloKeys is Paid and Open Source
Nitrokey
21 likes
Provides robust USB-based encryption, digital signing, and secure login with hardware-level secret key storage, user-defined PIN, tamper-proof smart card, open source design, email and data encryption compatibility, virus protection, and multi-platform support.
Cost / License
Pay once
Open Source
Application type
Authenticator
Origin
Germany
EU
Platforms
Mac
Windows
Linux
Flathub
Is Nitrokey a good alternative to SoloKeys?
OnlyKey
14 likes
OnlyKey is an open source alternative to YubiKey. OnlyKey natively supports: a hardware password manager, multiple two-factor methods (FIDO2, TOTP, and Yubico® OTP), passwordless SSH login, and OpenPGP.
Cost / License
Pay once
Open Source
Application type
Authenticator
Origin
United States
Platforms
Mac
Windows
Linux
Android
iPhone
Chrome OS
+2
Is OnlyKey a good alternative to SoloKeys?

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1comment
Comments about OnlyKey as an Alternative to SoloKeys

onlykey
Positive commentNov 5, 2020
0
Supports everything solokey does plus hardware password manager, physical pin protection, TOTP, Yubikey OTP and more.
OnlyKey is Paid and Open SourceSoloKeys is also Paid and Open Source
OnlyKey is Privacy focusedSoloKeys is not according to our users
KeyVault
2 likes
OTP authenticator app for managing your 2FA / OTP codes on iPhone, iPad, Mac and Apple Watch.
Cost / License
Freemium (Subscription)
Proprietary
Application type
Authenticator
Origin
Australia
Platforms
Linux
Android
iPhone
Android Tablet
iPad
Apple Watch
Linux Mobile
Flathub
Flatpak
Is KeyVault a good alternative to SoloKeys?
Keysmith
5 likes
Keysmith is a token generator for your two-factor authentication (2FA) logins. It supports time and hash-based one-time passwords (TOTP/HOTP).
Cost / License
Free
Open Source
Application type
Authenticator
Origin
Germany
EU
Platforms
Linux
KDE Plasma
Linux Mobile
Flathub
Plasma Mobile
Flatpak
Is Keysmith a good alternative to SoloKeys?
CanoKeys
2 likes
An open-source secure key.
Cost / License
Free
Open Source
Platforms
Mac
Windows
Linux
Is CanoKeys a good alternative to SoloKeys?
Authorizer
3 likes
A Password Manager for Android with Auto-Type over USB and Bluetooth, OTP and much more.
Cost / License
Free
Open Source
Application type
Authenticator
Platforms
Android
Is Authorizer a good alternative to SoloKeys?
Hermes OTP
2 likes
Hermes offers a straightforward solution for overseeing two-factor authentication accounts (SHA1), providing support for a wide range of platforms, including Gmail, Dropbox, and thousands of other websites.
Cost / License
Free
Open Source
Platforms
Windows
Mac
Linux
Is Hermes OTP a good alternative to SoloKeys?
Titan Security Key
1 like
Google Titan Security Keys offer two-factor authentication to prevent phishing and man-in-the-middle attacks. They support FIDO standards and come in USB-A, USB-C, and Bluetooth formats, ensuring compatibility with various devices and services.
Cost / License
Pay once
Proprietary
Origin
United States
Platforms
Mac
Windows
Linux
Android
Android Tablet
iPhone
iPad
+2
Is Titan Security Key a good alternative to SoloKeys?