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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
3rd
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
11th
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) (13th)
 

Mindshare comparison

As of September 2025, in the Access Management category, the mindshare of Auth0 is 9.2%, down from 11.3% compared to the previous year. The mindshare of Gluu Flex is 1.6%, up from 1.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Access Management Market Share Distribution
ProductMarket Share (%)
Auth09.2%
Gluu Flex1.6%
Other89.2%
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

"It supports identity federation, FSO and multi-tenancy."
"The most valuable feature of the product is scalability."
"The most important feature for me was the ease of use, as it needed to be easy to integrate into my platform."
"It offers stronger security and flexibility with API keys, which are generated on runtime."
"The valuable features are that it is extremely secure and that it's developer-friendly."
"It is easily connected and easy to put our app in single sign-on."
"It has a lot of customization and out-of-the-box features."
"I simply use the JWT from the client on the server side to process requests and push updated profile data to a database/queue as needed and end the process without having to persist data in the web server (sessions)."
"Most of the features are related to banking within this particular IT industry. Security and the market are also important features."
"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."
 

Cons

"I find it surprising that there is no access to a standard user profile."
"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."
"The tool's price should be improved."
"In the past, there was an issue with the multi-tenant where there wasn't the ability to manage them."
"Better documentation for Salesforce integration is suggested."
"The Management API could be improved so it's easier to get user information."
"This is a costly solution and the price of it should be reduced."
"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

"There are different price levels: B2B, B2C, and enterprise. The basic plan is about $1,500 per month."
"It is a relatively inexpensive product in the industry."
"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."
"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
12%
Financial Services Firm
9%
Comms Service Provider
8%
Manufacturing Company
7%
Insurance Company
47%
Government
14%
Comms Service Provider
10%
Media Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business8
Midsize Enterprise5
Large Enterprise6
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: July 2025.
867,370 professionals have used our research since 2012.