Software Alternatives, Accelerators & Startups

Duo Security VS Stack Auth

Compare Duo Security VS Stack Auth and see what are their differences

Duo Security logo Duo Security

Duo Security provides cloud-based two-factor authentication. Duo’s technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.

Stack Auth logo Stack Auth

Open-source Auth0/Clerk Alternative
  • Duo Security Landing page
    Landing page //
    2023-09-26
Not present

Duo Security features and specs

  • Easy Integration
    Duo Security offers seamless integration with a wide range of applications and services, making it easier for organizations to implement multi-factor authentication (MFA).
  • User-Friendly
    The platform is designed with simplicity in mind, providing a straightforward user experience for both end-users and administrators.
  • Comprehensive MFA Options
    Duo supports a variety of authentication methods including push notifications, biometrics, and hardware tokens, giving users flexibility in how they authenticate.
  • Strong Security Features
    Duo incorporates advanced security features such as device health checks and endpoint visibility, enhancing the overall security posture of an organization.
  • Good Customer Support
    Duo Security is known for its responsive and knowledgeable customer support, helping organizations address issues quickly.
  • Scalability
    The platform can easily scale to accommodate organizations of varying sizes, from small businesses to large enterprises.

Possible disadvantages of Duo Security

  • Cost
    The service can be expensive compared to other MFA solutions, particularly for smaller organizations with limited budgets.
  • User Management Complexity
    Managing a large number of users can become complex, particularly in organizations with high employee turnover.
  • Dependency on Mobile Devices
    Many of Duo's authentication methods rely on mobile devices, which can be inconvenient or impractical for users without access to smartphones.
  • Learning Curve
    Despite being user-friendly, there is still a learning curve for administrators new to the platform, particularly for advanced features.
  • Internet Dependence
    The service requires a reliable internet connection to function properly, which can be a limitation in areas with poor connectivity.
  • Limited Offline Options
    Duo Security has limited options for offline authentication, which may pose challenges in environments where internet access is intermittent.

Stack Auth features and specs

No features have been listed yet.

Duo Security videos

What is DUO Security 2FA and How it Works With Windows Remote Desktop

More videos:

  • Review - Powerful New Features from Duo Security
  • Review - An Introduction to Duo Security

Stack Auth videos

W18D3 C3: Full Stack Auth Review: User/Computer Order & Developer Build Order

Category Popularity

0-100% (relative to Duo Security and Stack Auth)
Identity And Access Management
Authentication
100 100%
0% 0
Identity Provider
81 81%
19% 19
Two Factor Authentication

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Duo Security and Stack Auth

Duo Security Reviews

20 Identity Management Solutions You Should Know
Used by WhatsApp and Etsy, Duo Security was designed with modern companies in mind. That means it prioritizes speed. The DuoMobile app, for instance, simplifies multi-factor authentication. Users can merely tap on a push notification instead of typing in an SMS code to complete their login. Duo also allows for a modern, mobile-friendly work culture by letting organizations...
Source: builtin.com

Stack Auth Reviews

We have no reviews of Stack Auth yet.
Be the first one to post

Social recommendations and mentions

Based on our record, Duo Security should be more popular than Stack Auth. It has been mentiond 33 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Duo Security mentions (33)

  • Michigan bill would bar employers from requiring after-hours coms with workers
    Take for example a university. Many of them seem to use Duo[1], which is not something you can replace with Google Authenticator or other TOTP app. They require it for students as well as faculty and staff. Is it reasonable for them to have to provide a device to all those people, forcing them to carry two devices around, and then also deal with replacing lost or broken devices? The cost of this would simply be... - Source: Hacker News / 2 months ago
  • How to Enable Duo MFA on GCP Windows VMs for Compliance in 10 Minutes
    The Solution: There are not only one solution to achieve the goal, but this time we choose Cisco Duo as the MFA infrastructure. - Source: dev.to / 7 months ago
  • A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev
    Duo.com — Two-factor authentication (2FA) for website or app. Free for ten users, all authentication methods, unlimited, integrations, hardware tokens. - Source: dev.to / over 2 years ago
  • Additional computer log-in protection
    You could use Duo - https://duo.com/. It can be set to require MFA when logging in locally or only when logging in via RDP (or both). It's free for up to 10 users. Source: over 3 years ago
  • [Data-Mining] Upcoming tunnels from the May 23 patch
    A quick google tells me that Duo is a 2FA service from Cisco. Maybe that's what Anet is using to manage the 2FA in the launcher behind the scenes? Source: over 3 years ago
View more

Stack Auth mentions (4)

  • I Tested 7 Open Source Clerk Alternatives for Full-Stack Developers
    Five minutes. That's how long Stack Auth takes to set up. - Source: dev.to / 9 months ago
  • Ask HN: Who is hiring? (September 2025)
    Stack Auth (S24) | San Francisco, CA | Full-time Hiring founding & design engineers! We're building the customer platform for developers — think of a single service that does auth, payments, analytics, marketing emails, and so much more. We're selling to developers & startups so our audience is right here on this website! If you're in San Francisco and frequent Hacker News, that's enough of a reason to DM me on... - Source: Hacker News / about 1 year ago
  • Building Multi-Tenant Apps Using StackAuth's "Teams" and Next.js
    StackAuth is an open-source authentication and user management platform designed to integrate seamlessly into Next.js projects. Its combination of frontend/backend APIs and pre-built UI components dramatically simplifies the integration of such capabilities into your application. Similarly, its newer "Teams" feature provides an excellent starting point for creating multi-tenant applications. In this post, we'll... - Source: dev.to / over 1 year ago
  • Stack Auth (YC S24), the open-source Auth0 alternative, is hiring Founding SWEs
    Hi HN! We're building Stack Auth (https://stack-auth.com/), an open-source managed authentication and authorization platform. Basically, we build your login and signup pages, and everything that comes with that. You can find our customer pitch elsewhere, so instead I'll tell you more about us and the company. We are developers building for other developers, so you can think of... - Source: Hacker News / almost 2 years ago

What are some alternatives?

When comparing Duo Security and Stack Auth, you can also consider the following products

Google Authenticator - Google Authenticator is a multifactor app for mobile devices.

Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.

Authy - Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.

Keycloak - Open Source Identity and Access Management for modern Applications and Services.

Lastpass - LastPass is an online password manager and form filler that makes web browsing easier and more secure.

Clerk - Clerk.io, the artificial intelligence for e-commerce that knows your customers interests.