Reviews from AWS customer
0 AWS reviews
-
5 star0
-
4 star0
-
3 star0
-
2 star0
-
1 star0
External reviews
103 reviews
from
External reviews are not included in the AWS star rating for the product.
FusionAuth: Serious Security with a Surprisingly Smooth User Experience
What do you like best about the product?
What I appreciate most about FusionAuth is how seamlessly it balances strong multi-factor authentication (MFA) with flexible integration into our existing infrastructure. The Duo Push-style interface, where users can just tap a notification instead of putting in codes, makes it more easier for people to use, even teams who aren't very tech-savvy. We’ve even been able to scale usage across over 2,000 endpoints without breaking a sweat.
What do you dislike about the product?
The initial setup, especially configuring SSO with on-prem Active Directory or federated 365 domains, required a lot of careful reading and re-reading of documentation. It’s not something you want to rush, and integration with legacy systems wasn’t as plug-and-play as we’d hoped. Sometimes, the authentication pop-ups don’t appear unless the app is manually opened, which frustrates some of our users.
What problems is the product solving and how is that benefiting you?
FusionAuth has helped us make sure that only authorised people may access critical data in a safe and compliant way. This gives IT admins and end users piece of mind. We operate in a regulated industry, and FusionAuth's flexible MFA methods (push notifications, passcodes, biometrics, etc.) meet those security requirements without adding friction. We considered Microsoft Authenticator and Google Authenticator, but FusionAuth won out due to its granular device tracking and integration-friendly architecture.
- Mark review as helpful
Reliable Identity Management for Modern Fintech Needs
What do you like best about the product?
FusionAuth has been a bit of a game-changer for us—not in the flashy, overhyped way some tools promise to be, but in a grounded, reliable kind of way. What I’ve come to appreciate is how it quietly takes care of the identity chaos that used to haunt our stack. Setting up OAuth2 and SSO was surprisingly smooth; I had our core app talking to FusionAuth in under ten minutes, which honestly shocked me after wrestling with tools like Keycloak in the past.
What do you dislike about the product?
Multi-tenant setups took some brainpower and trial-and-error, especially since our team doesn’t live and breathe IAM. The reporting side also feels undercooked—it gives you the basics, but if you’re used to slicing and dicing access logs like you can with tools like Okta, you’ll feel a bit boxed in. And while support is helpful, I’ve had moments where I wished for a bit more than just a link to the docs when tackling edge-case scenarios.
What problems is the product solving and how is that benefiting you?
We no longer have five different half-baked login flows duct-taped together, and managing access across environments doesn’t require a prayer and a late night. The fact that we can host it ourselves gives us peace of mind—especially in Fintech, where compliance paranoia is kind of the norm. Compared to Auth0, which got expensive fast, and rolling our own solution (which was a nightmare I’d rather not revisit), FusionAuth hits that sweet spot: flexible enough to grow with us, stable enough to trust, and just opinionated enough to keep us out of trouble.
FusionAuth Platform Review: A Developer-Friendly, Secure IAM Solution for Modern Applications
What do you like best about the product?
FusionAuth comes highly recommended as a secure, flexible, and production-ready identity and access management (IAM) solution. It's perfect for projects that need scalable identity services, complete with full Active Directory and LDAP support, multi-tenant management, and tools designed with developers in mind.
What do you dislike about the product?
All good. Still not found any issues in FusionAuth
What problems is the product solving and how is that benefiting you?
Unified Identity Management
Problem: Juggling authentication across various applications—whether they’re web-based, mobile, or APIs—using custom authentication logic can lead to errors, security issues, and scalability challenges.
How FusionAuth Helps:
FusionAuth streamlines user authentication by leveraging industry standards like OAuth2, OpenID Connect, and SAML, creating a cohesive identity platform for all our applications.
Problem: Juggling authentication across various applications—whether they’re web-based, mobile, or APIs—using custom authentication logic can lead to errors, security issues, and scalability challenges.
How FusionAuth Helps:
FusionAuth streamlines user authentication by leveraging industry standards like OAuth2, OpenID Connect, and SAML, creating a cohesive identity platform for all our applications.
FusionAuth is a one stop gateway that simplified our workflow and boosted security.
What do you like best about the product?
FusionAuth's ability to concentrate everything I need into one, simple platform appeals most to me. FusionAuth provides one tidy dashboard where all of my professional apps sit; I no longer have to go through bookmarks or balance several logins to identify the correct tools. Not only tools, the single sign-on and multi-factor authentication are daily lifesaver. It feels like my entire workflow got a speed boost and a security upgrade all at once.
What do you dislike about the product?
The multi-step login, especially with MFA, can feel a bit tedious—there have been moments where codes don’t sync or I need to retry a few times. Also, switching devices (especially phones) messes with the setup and isn't as seamless as it should be. And compared to a few competitors like Okta or Auth0, FusionAuth's UI feels a little more functional than refined.
What problems is the product solving and how is that benefiting you?
FusionAuth solved one of the biggest daily headaches: managing access to seven different tools I rely on throughout the day. Instead of logging into each one separately, I just sign in once and I’m good to go. It has reduced password fatigue significantly, improved our team’s compliance efforts, and made onboarding and offboarding users practically effortless thanks to automated provisioning. I’ve used Okta in the past, and while it’s solid, I’ve found FusionAuth’s developer-first approach and pricing far more aligned with our team’s real-world needs.
FusionAuth greatly helps with identity management for hybrid environments
What do you like best about the product?
FusionAuth's seamless interaction with on-site and cloud-based solutions is what most appeals about it. It has been quite simple to set up roles, control user access, and apply SSO throughout several SaaS systems. It also has strong API support and seamlessly incorporate into our CI/CD processes which have greatly delighted me.
What do you dislike about the product?
One drawback I have observed is that, like Entra ID P2, some of the sophisticated security and identity governance tools call for premium licensing. Furthermore, especially in troubleshooting, the on-site synchronizing mechanism might be more open and user-friendly. Although FusionAuth is quite flexible, mass actions usually call for scripting knowledge—PowerShell in other platforms or custom CLI tools here—which might not be perfect for non-technical teams.
What problems is the product solving and how is that benefiting you?
FusionAuth has greatly simplified user ID management for hybrid systems. Managing access for remote and on-site users used to be a disjointed mix of systems, but with FusionAuth we handle all centrally—policies, roles, device access, even audit trails. Especially in relation to legacy AD systems, the speed at which we can onboard or deprovision users has saved our team innumerable hours.
FusionAuth is a very developer friendly identity solution that works without any issue
What do you like best about the product?
I love how FusionAuth lets me own my data and run everything on-premise, which gives me a level of control that SaaS solutions like Auth0 just don’t offer. Setting it up was smooth and the API-first design and thorough documentation also meant I didn’t have to guess or dig through forums. It’s refreshing to see a platform that doesn’t get in my way when I want to tweak things deeply, even with custom themes and tenant-specific configurations.
What do you dislike about the product?
The UI is functional but not exactly delightful—it’s very utilitarian. Also, multi-tenancy is great, but it can feel a bit over-complicated at times, especially when managing separate branding per tenant. Finally, while the documentation is robust, some edge-case behaviors around SSO and JWT token handling could be better clarified.
What problems is the product solving and how is that benefiting you?
FusionAuth solved a major headache for me—managing authentication across multiple apps without giving up control or paying a fortune. I’ve used Auth0 before, but the free tier ran out fast and the lock-in was a real concern. With FusionAuth, I can run everything locally, customize login flows, and even add social login without needing a PhD in identity protocols. FusionAuth also saved me much time and resources by eliminating the need to roll my own auth while still letting me build exactly what I want.
FusionAuth is secure, smart, and surprisingly simple to use
What do you like best about the product?
What I love most about FusionAuth is how it brings together all the tools and platforms I need under one secure roof and as a result I no longer waste time hunting down login links or juggling a dozen passwords and everything I need is in one place. It’s easy to use, integrates seamlessly with other systems, and the browser extension makes starting my day effortless. I especially appreciate the ability to customize access depending on roles within the organization and something other tools like Okta and OneLogin struggled to handle as cleanly.
What do you dislike about the product?
One thing I wish FusionAuth handled better is session duration and I’d love the option to stay logged in for a defined number of days without being forced to reauthenticate so often. Occasionally, if a deployment isn’t planned well, it can feel overwhelming for new users to get the hang of. I’ve also noticed some limitations with integrating tools like Jira and Git, which competitors like Okta seem to support more readily.
What problems is the product solving and how is that benefiting you?
Before using FusionAuth, my daily routine started with manually logging into more than 10 applications, often spending 10–15 minutes just getting set up. Now, I log in once, and FusionAuth handles the rest—saving me time and mental bandwidth every single day. It’s also solved the major headache of password management; I only need to remember one, and with MFA options like SMS or app authentication, I feel secure.
FusionAuth is secure and has hassle free authentication and is also very flexible
What do you like best about the product?
What I like most about FusionAuth is how incredibly easy it is to integrate into our applications, especially when working under tight deadlines. Its adaptability with social logins changes everything. I have used it for minimal setup single sign-on and two factor authentication. The Universal Login function also made our sign-in process flawless on several platforms. It’s one of the few tools I’ve worked with that feels like it was built with developers in mind.
What do you dislike about the product?
The only real drawback I’ve noticed is the pricing as your usage scales — it can become a concern for startups or smaller teams. While support is generally helpful, having more instant, real-time assistance for critical production issues would be great. FusionAuth occasionally lacks the brand-based confidence found inAuth0 or Okta, which might concern some stakeholders.
What problems is the product solving and how is that benefiting you?
FusionAuth saved weeks of laborious effort for our SaaS platform serving numerous tenants, which needed a safe authentication system. We had everything functioning in a few days instead of creating login flows and user management from nothing. It has drastically cut development time but still let us live in a trustworthy and safe environment. Unlike some other options like AWS Cognito, which felt overly complex and clunky, FusionAuth felt intuitive, developer-focused, and ready to scale with us.
Fusionauth has helped us implement security flows with great ease
What do you like best about the product?
Lots of features especially handling configuring things based on applications, entities and tenants
What do you dislike about the product?
Custom themes. To leverage existing auth flows without self hosting needs customizing themes in pseudo JavaScript scripts which are not only difficult to achieve but complex to manage.
What problems is the product solving and how is that benefiting you?
Simplifying configuring security controls and enforcing them. Provides great deal of control. Advanced threat detection is quite handy as well.
Good product, better company
What do you like best about the product?
FusionAuth positions itself as a highly flexible and developer-centric identity and access management (IAM) solution. It offers a compelling alternative to more established players, especially for teams that prioritize data ownership, customization, and a transparent pricing model for advanced features. While it might not have the out-of-the-box UI polish of some competitors, its raw power and self-hosting capabilities make it a strong contender for a wide range of applications, from startups to enterprises.
What do you dislike about the product?
Admin UI/UX: While functional, the admin UI can feel a bit dated and less intuitive compared to the slick dashboards of Auth0 or Clerk. Finding certain settings or configuring advanced workflows can sometimes require a bit of digging through documentation.
Theming Customization Complexity: While powerful, fully customizing the look and feel of the hosted login pages to perfectly match your brand can be more involved than with solutions that offer more WYSIWYG or component-based theming.
Fewer "Out-of-the-Box" Pre-built UI Components: Unlike Clerk, which excels here, FusionAuth provides the backend and APIs, but you'll be building more of the frontend integration yourself (or using their base themes which might need more tweaking).
Theming Customization Complexity: While powerful, fully customizing the look and feel of the hosted login pages to perfectly match your brand can be more involved than with solutions that offer more WYSIWYG or component-based theming.
Fewer "Out-of-the-Box" Pre-built UI Components: Unlike Clerk, which excels here, FusionAuth provides the backend and APIs, but you'll be building more of the frontend integration yourself (or using their base themes which might need more tweaking).
What problems is the product solving and how is that benefiting you?
FusionAuth is excellent for solving complex identity challenges where off-the-shelf SaaS solutions might be too restrictive or expensive.
Centralized Authentication for Multiple Applications: It handles SSO across diverse applications (web, mobile, legacy) effectively.
Meeting Strict Data Sovereignty/Compliance: Self-hosting allows us to keep all user data within our own infrastructure, satisfying regulatory requirements.
Custom User Journeys: The ability to use Lambdas and webhooks, plus detailed API control, allows for highly customized registration, login, and MFA flows tailored to specific business needs.
Avoiding Vendor Lock-in & Unpredictable Costs: The self-hosting option and clearer pricing tiers for features (rather than purely MAU-based for core functionality) provide more control and predictability.
Integrating with a Diverse Tech Stack: Its language-agnostic nature and robust APIs make it easier to integrate with various backend and frontend technologies.
Centralized Authentication for Multiple Applications: It handles SSO across diverse applications (web, mobile, legacy) effectively.
Meeting Strict Data Sovereignty/Compliance: Self-hosting allows us to keep all user data within our own infrastructure, satisfying regulatory requirements.
Custom User Journeys: The ability to use Lambdas and webhooks, plus detailed API control, allows for highly customized registration, login, and MFA flows tailored to specific business needs.
Avoiding Vendor Lock-in & Unpredictable Costs: The self-hosting option and clearer pricing tiers for features (rather than purely MAU-based for core functionality) provide more control and predictability.
Integrating with a Diverse Tech Stack: Its language-agnostic nature and robust APIs make it easier to integrate with various backend and frontend technologies.
showing 1 - 10