Total Products under this Category: 282
Last updated: October 22, 2026
Why You Can Trust G2's Software Rankings:
G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.
Highlighted products: Google Authenticator, Cisco Duo, Microsoft Entra ID, 1Password, LastPass, Keeper Password Manager, Auth0, and NordPass Business.
Underlying data: [Grid® JSON](https://www.g2.com/categories/multi-factor-authentication-mfa/grids.json?focus%5B%5D=google-authenticator&focus%5B%5D=cisco-duo&focus%5B%5D=microsoft-entra-id&focus%5B%5D=1password&focus%5B%5D=lastpass&focus%5B%5D=keeper-password-manager&focus%5B%5D=auth0&focus%5B%5D=nordpass-business)
Enables rapid deployment of the same powerful V-Key solutions for remote access
Banking and government grade secure messaging and communications solution. Secure End-to-End communications.
V-Key is a software-based digital security. The growing need for secure mobile solutions by banks, governments, and enterprises as they digitalize their offerings for the new digital economy.
Connect G2 to Claude or ChatGPT for answers grounded in G2's trusted reviews, comparisons, and pricing from real user insights.
WhatAuth is an innovative OTP (One-Time Password) solution designed to offer businesses a more secure and cost-effective alternative to traditional SMS OTP systems. Leveraging the power of WhatsApp, WhatAuth provides a comprehensive solution for various authentication use cases, such as second-factor authentication, login/onboarding, password recovery, phone verification, and transaction authorization. Enhanced Security: By utilizing the end-to-end encryption and secure data transmission capabilities of WhatsApp, WhatAuth significantly reduces the risk of interception and unauthorized access to sensitive information. This ensures that users can perform transactions and access their accounts with increased confidence and peace of mind. The flow of the authentication is also a new paradigm, originating from the user and traveling one-way from the user to the auth service, meaning that it reduces the phishing and fraudulent means to intercept the code Cost-effectiveness: WhatAuth stands out by providing a cost-effective solution for businesses. By leveraging the existing infrastructure of WhatsApp, organizations can seamlessly integrate WhatAuth without the need for additional infrastructure investments. This approach eliminates the high costs often associated with SMS-based OTP solutions, making it an attractive option for businesses of all sizes. Seamless User Experience: WhatAuth prioritizes user experience, offering a frictionless authentication process. Leveraging the familiar interface of WhatsApp, users can effortlessly receive OTPs and complete the authentication process without the need for complex code entry or additional downloads. This streamlined experience improves conversion rates and ensures a positive user journey. Versatility and Reliability: WhatAuth caters to a wide range of OTP use cases, making it a versatile solution for businesses across industries. Whether it's securing transactions, verifying user identities, or facilitating password recovery, WhatAuth handles these scenarios effectively. This consolidation of multiple OTP use cases simplifies authentication processes and ensures reliability for businesses and their users. Conclusion: WhatAuth presents itself as a secure and cost-effective OTP solution that surpasses the limitations of SMS OTP. By leveraging the power of WhatsApp, businesses can enhance security, reduce costs, and provide users with a seamless authentication experience. Whether for second-factor authentication, login/onboarding, password recovery, phone verification, or transaction authorization, WhatAuth is a versatile solution that prioritizes user satisfaction and data protection.
WiKID is an on-premise two-factor authentication solution.
The WiKID Strong Authentication System uses asymmetric encryption to securely deliver one-time passcodes to software tokens running on PCs or smart phones.
Enhance your WordPress site’s security with customizable 2FA protection, login tracking, and CAPTCHA features. This plugin is created to safeguard user accounts and effectively prevent unauthorized access.
WP 2FA is a two-factor authentication plugin that helps protect WordPress user accounts from unauthorized access and account takeover. It is designed for website administrators, agencies, ecommerce stores, membership websites, and organizations that need to introduce stronger authentication without complicating the login experience. The plugin supports multiple authentication methods, including authenticator apps, email codes, SMS, push notifications, passkeys, YubiKey, and backup codes. Administrators can make 2FA compulsory, set a grace period, and configure different policies for individual users or user roles. WP 2FA works with standard and custom login pages, including WooCommerce and other popular WordPress plugins. Users can configure 2FA without accessing the WordPress dashboard, making it suitable for customers, members, and other front-end users. Additional features include trusted devices, configurable email templates, white-labeling options, and integrations with third-party services such as Authy and Twilio. By adding an extra verification step to the login process, WP 2FA helps organizations reduce the risks associated with stolen, reused, or compromised passwords while supporting security and compliance requirements.
WWPass provides users with a single secure electronic identity that allows access to many websites, applications and other systems. It's easy to combine with biometrics and PINs if you require additional verification factors, and users can revoke and securely restore lost credentials
The XyLoc Security Server (XSS) is a server-based software platform, with a web-based GUI, that centrally manages and monitors XyLoc users and protected workstations throughout the enterprise. XSS allows IT managers to easily implement and administer XyLoc across multiple network segments and user groups, and also enables detailed reporting and compliance auditing.
Yoti's Covid-19 Pledge We’re pledging our digital identity services free for the next three months to any public health organisation, emergency service and community initiative that are working to tackle the Covid-19 crisis. If you need help authenticating staff, suppliers or volunteers in a secure, private and scalable way, we are on hand to get you set up as quickly as possible, totally free of charge.
Average Rating: 5.0/5.0
Total Reviews: 1
"Your ID, always in the palm of your hands."
Rating: 5.0/5.0 stars
— Sean L.
Zunoy Authenticator is a two-factor authentication (2FA) solution that helps users enhance account security by generating time-based one-time passwords (TOTP) for supported applications and services. It falls under the Authentication Software and Identity & Access Management (IAM) categories and is designed for individuals, developers, IT administrators, and enterprises looking to add an additional layer of protection against unauthorized access. Zunoy Authenticator enables users to securely manage their 2FA tokens across multiple devices, offering compatibility with any service that supports standard TOTP protocols such as Google Authenticator or Microsoft Authenticator. It is particularly useful for securing accounts tied to email, cloud services, developer tools, banking, and workplace applications. Built with a focus on simplicity and reliability, Zunoy Authenticator operates offline, ensuring codes are always available without a network connection. It supports multi-account management and is ideal for both personal and professional use across platforms. **Key features of Zunoy Authenticator include:** TOTP-Based Code Generation: Generates 6-digit time-based codes for login verification, compatible with widely used 2FA systems. Multi-Account Support: Add and manage multiple authentication entries from different providers in one place. Offline Functionality: Works without internet access, ensuring authentication codes are always available. QR Code Scanning: Easily onboard new accounts by scanning QR codes from supported services. Secure Local Storage: Stores authentication data locally on the device, enhancing privacy and data control. Zunoy Authenticator is built to support individuals and organizations looking to adopt stronger security practices by implementing reliable two-factor authentication across services.
