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Auth0 vs Gluu Flex comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jun 15, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Auth0
Ranking in Access Management
2nd
Average Rating
8.4
Reviews Sentiment
7.4
Number of Reviews
18
Ranking in other categories
Single Sign-On (SSO) (5th), Customer Identity and Access Management (CIAM) (1st)
Gluu Flex
Ranking in Access Management
14th
Average Rating
8.6
Reviews Sentiment
7.8
Number of Reviews
2
Ranking in other categories
Identity and Access Management as a Service (IDaaS) (IAMaaS) (19th)
 

Mindshare comparison

As of July 2025, in the Access Management category, the mindshare of Auth0 is 9.5%, down from 12.2% compared to the previous year. The mindshare of Gluu Flex is 1.4%, up from 1.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Access Management
 

Featured Reviews

Serge Wautier - PeerSpot reviewer
Simplified integration with helpful support and decent pricing
Auth0 is used as an identity provider for our new SaaS platform to manage the identity of users Auth0 is cost-effective because it provides all the features we need, and it was very easy to integrate into our platform. The documentation is comprehensive, and their support team is highly helpful.…
EV
Facilitates improvement through feedback collection, quizzes, and event data generation
Gluu has a mobile app catering to field workers. Normal workers use the web app, a complete cloud-based solution. They log in on any device and access the system. Gluu filters and displays relevant information based on the user's role in the processes. Users can set it up to view as a viewer, worker, manager, or controller of the area. The front end offers different views but provides an easy dashboard for employees. On the dashboard, users can configure it to show tasks, related work instructions, and connected processes. It's very user-friendly, allowing end-users to understand their tasks and processes without needing in-depth knowledge.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"The most valuable feature is interface application integration, but we haven't fully used it yet. We'll need it in the future for a few potential clients."
"It is easily connected and easy to put our app in single sign-on."
"If we had to develop our own and manage it, it would take years of development and maintenance. In those terms, it’s definitely beneficial."
"The most valuable feature is that it is simple to integrate, irrespective of your codebase."
"It supports identity federation, FSO and multi-tenancy."
"It has improved our organization by providing login authentication for a mobile app."
"Auth0 has the best support ever."
"It is very scalable because it provides a new environment for companies based on their number of users and other factors. The tool can take a lot of users."
"Gluu has a mobile app catering to field workers. Normal workers use the web app, a complete cloud-based solution. They log in on any device and access the system."
"Most of the features are related to banking within this particular IT industry. Security and the market are also important features."
 

Cons

"In the past, there was an issue with the multi-tenant where there wasn't the ability to manage them."
"There is a possibility to improve the machine-to-machine authentication flow. This part of Auth0 is not really well documented, and we could really gain some additional knowledge on that."
"When they introduced the Organizations feature they did support different login screens per organization. However, they introduced a dependency between this feature and another called the New Universal Login Experience. The New Experience is a more lightweight login screen, but it is much less customizable. For example, today, we are able to fully customize our login screen and even control the background image according to the time of day. We have code to do that. But we are not able to write code anymore in the New Experience."
"The pricing should be lower. A reduction of 20-25% would be great."
"Better documentation for Salesforce integration is suggested."
"There could be easy integration with IoT devices for the product."
"I think they can do a better job in explaining what you're supposed to do next in order to correctly follow an idiomatic approach to using the solution beyond simply passing a JWT token to a server and having the server check then signature to validate the token."
"If you’re not a developer, you need to spend time exploring more."
"I would like to see features around federation, authentication, authorization, and AI APIs with a ChatGPT interface."
"The tool integrates AI into the process modeling aspect. I believe this addition will significantly enhance usability. Additionally, it might be beneficial to have the capability to import content from other tools into this platform. Our platform follows its business process modeling notation standard, which differs from BPM. It uses a simpler notation, making it easier. The ability to import content from other tools could accommodate users accustomed to different standards."
 

Pricing and Cost Advice

"Pricing of Auth0 is a pain point. Their pricing model is very confusing, at least for an enterprise. I don't like their pricing model. I think it's too aggressive. It's not very cheap for a service that only does authentication."
"It is a relatively inexpensive product in the industry."
"There are different price levels: B2B, B2C, and enterprise. The basic plan is about $1,500 per month."
"I am pretty happy with the pricing model of Auth0. It is very clear for me. Considering our scale, the features that we are using, and additional features that we bought, we still find it great. If you split the costs for the whole year and calculate the number of people you needed to hire, it always comes out to be much lesser than what we would have spent on building our own solution."
"The tool is cheaper compared to competing solutions. Those alternatives tended to be more expensive. Consequently, Okta purchased it because it was considerably cheaper. The solution even offered some free services while still providing excellent functionality."
"The tool is cheaper compared to typical German products. I rate the product’s pricing a four out of ten."
"The price is reasonable."
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Financial Services Firm
10%
Comms Service Provider
8%
Manufacturing Company
7%
Insurance Company
39%
Government
13%
Media Company
8%
Comms Service Provider
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What do you like most about Auth0?
It is very scalable because it provides a new environment for companies based on their number of users and other factors. The tool can take a lot of users.
What is your experience regarding pricing and costs for Auth0?
The cost of the solution itself was cost-effective enough that I didn't even need to compare it with EntraID.
What needs improvement with Auth0?
The pricing should be lower. A reduction of 20-25% would be great.
What do you like most about Gluu?
Gluu has a mobile app catering to field workers. Normal workers use the web app, a complete cloud-based solution. They log in on any device and access the system.
What is your experience regarding pricing and costs for Gluu?
The tool is cheaper compared to typical German products. I rate the product’s pricing a four out of ten. The cost depends on the model you choose. If you go bigger, like a thousand or more users, t...
What needs improvement with Gluu?
The tool integrates AI into the process modeling aspect. I believe this addition will significantly enhance usability. Additionally, it might be beneficial to have the capability to import content ...
 

Comparisons

 

Overview

 

Sample Customers

1. Airbnb 2. Accenture 3. Adidas 4. Atlassian 5. Audi 6. Baidu 7. BlackRock 8. Cisco 9. CocaCola 10. Dell 11. eBay 12. FedEx 13. Fiat Chrysler 14. Ford 15. Google 16. Groupon 17. Hewlett Packard Enterprise 18. IBM 19. Intel 20. LinkedIn 21. Mastercard 22. Mercedes Benz23. Microsoft 24. Nike 25. Oracle 26. PayPal 27. Pinterest 28. Qualcomm 29. SAP 30. Spotify 31. Tesla 32. Toyota
Dubai Municipality
Find out what your peers are saying about Auth0 vs. Gluu Flex and other solutions. Updated: June 2025.
860,632 professionals have used our research since 2012.