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Gluu Flex vs Opal comparison

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Comparison Buyer's Guide

Executive Summary

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

Cisco Duo
Sponsored
Ranking in Access Management
5th
Average Rating
8.8
Reviews Sentiment
6.9
Number of Reviews
163
Ranking in other categories
Single Sign-On (SSO) (5th), Authentication Systems (2nd), ZTNA as a Service (2nd), Cisco Security Portfolio (1st), Multi-Factor Authentication (MFA) (1st), AI Data Analysis (7th)
Gluu Flex
Ranking in Access Management
24th
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) (32nd)
Opal
Ranking in Access Management
20th
Average Rating
8.6
Reviews Sentiment
7.2
Number of Reviews
3
Ranking in other categories
User Provisioning Software (10th), Identity and Access Management as a Service (IDaaS) (IAMaaS) (20th)
 

Featured Reviews

Charles Slaustas - PeerSpot reviewer
Information Technology Contractor at Insight global
Supports seamless authentication for users across multiple organizations and personal portals
The features I use in Cisco Duo include Duo Pushes to confirm my identity to the device, and eventually as MFA security was increased, I actually had to use exchange passcodes. Sometimes, I have to go into the site and get into Cisco Duo to retrieve the passcode, and many of them have been two-factor, where the sites send a passcode that I have to enter into Cisco Duo. It has been more of the latter. I have not seen issues with lagging or crashing on Cisco Duo's end; it was usually on the client end, often because someone set up a bad upgrade or there were connection issues with the Cisco Duo cloud through the administrative site.
EV
Owner at Process2product
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.
Mohammed Mudasser - PeerSpot reviewer
AI/ML Engineer at a educational organization with 5,001-10,000 employees
Automated access reviews have improved least privilege and simplified identity governance
The best features Opal offers are automated access reviews, centralized visibility, and just-in-time access. I especially appreciate the ability to enforce time-bound access and automatically revoke privileges, which makes least privilege management much more practical. The automated access reviews have made the process much more efficient by giving us a structured way to review and revoke unnecessary permissions. Instead of manually checking every entitlement, we can focus on exceptions and higher risk access, which makes the review process more manageable and consistent. I would also add that the context Opal provides during access reviews is valuable. You can see the access relationship and risk rather than simply approving or denying it blindly. This makes the decisions more informed and gives the team a much better audit trail.

Quotes from Members

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

Pros

"Cisco Duo has been very reliable from my point of view so far, as I have not had any issues with it."
"It's a great solution for securing access to the applications and network because we can integrate the solution with all types of applications."
"It is a great system regarding multi-factor authentication, specifically after we did the integration with Active Directory, allowing us to manage the users who use the VPN, our main gateway for VPN Cisco ASA Secure, with full administration."
"Multifactor authentication is the most valuable feature."
"Cisco Duo has helped my organization reduce its overall authentication-related costs."
"The most valuable features of Duo Security are visibility and OTP authentication. The OTP is very important because it is a self-enrollment feature, you are able to enroll users very quickly with a shorter time period."
"As a former employee, I think it's top-notch when it comes to protecting internal and external threats and preventing unauthorized access to the network."
"Cisco Duo seems very scalable; in my experience, I started with a small-medium business, and in my last contracting position, it was a large one for a major worldwide airline that had hundreds of thousands of devices that could use Cisco Duo, and it scaled very well."
"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."
"Opal has positively impacted my organization by reducing stress and increasing effectiveness for all our employees; it works better so all our employees have more time to sleep and they can investigate more."
"Previously, my phone usage was around nine hours and fifteen minutes or more, but it has significantly reduced to around six hours and thirty minutes to seven hours, meaning two and a half to three hours has been reduced after using Opal as my primary screen time blocker."
"The clearest outcome I have seen is less manual effort during access reviews and better control over unnecessary or standing access, which improves the overall security posture."
 

Cons

"It is good on the functionality side, but their pricing model is a little bit weird."
"I would appreciate seeing Cisco Duo improved with a tighter integration with Active Directory to secure not just Remote Desktop to a server, but all the remote levels of connection that you can make to a server."
"Removing the need for a password would be a positive change as well as the ability to cover all the different enterprise applications. They don't have coverage for everything."
"It is not easy to maintain network connectivity."
"The only thing I can think of to improve for tech support is to have a dedicated engineer but then I would get an engineer that has priorities in one area or another and maybe not the scope I need."
"My experience with Cisco Duo's strong security authentication system is that sometimes there are difficulties, and sometimes users just won't be able to log in. We have to reset their password so they can use Duo."
"One area that might be improved is that setting up SMS texting is not as easy as using the app, even though it does support it."
"The new smart license model doesn't always work. It's very complicated."
"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."
"Opal can be improved in some ways."
"The core platform is already strong, but I would appreciate more flexibility in customizing workflows and access review policies."
 

Pricing and Cost Advice

"From a business perspective, it is a little bit costly. The licensing is on a per-user basis."
"Our licensing fee is currently on an annual basis."
"It has a fair pricing model. I know they have different tiers, but it would be nice to have different types of licenses for certain groups of users in our organization. That way, we wouldn't have to lump everybody into one group. That would be also one complaint."
"Price-wise, the solution has been very, very reasonable...Licensing is the last thing I think about Duo Security because it's so easy, and I had no problems with it."
"I believe the licensing model is excellent as it offers flexibility to our customers, allowing them to adopt a crawl, walk, or run approach."
"Cisco has the most expensive products because market leaders tend to charge a lot."
"During testing we are allowed a certain number of licenses for free."
"Overall, the pricing is fair. Customers can wrap it into their Enterprise Agreement, making it easier for them to solve their issues."
"The price is reasonable."
"The tool is cheaper compared to typical German products. I rate the product’s pricing a four out of ten."
Information not available
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Top Industries

By visitors reading reviews
Outsourcing Company
12%
Financial Services Firm
11%
Comms Service Provider
9%
Manufacturing Company
8%
Insurance Company
42%
Comms Service Provider
16%
Construction Company
9%
Outsourcing Company
8%
Comms Service Provider
13%
Outsourcing Company
12%
Educational Organization
10%
Financial Services Firm
10%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business64
Midsize Enterprise28
Large Enterprise82
No data available
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Questions from the Community

How does Duo Security compare with Microsoft Authenticator?
We switched to Duo Security for identity verification. We’d been using a competitor but got the chance to evaluate Du...
What is your experience regarding pricing and costs for Duo Security?
Regarding the pricing, what actually happened was that we got the product purchased through our HQ, so the costing as...
What needs improvement with Duo Security?
I do not have a straight answer for how Cisco Duo can be improved at this time. With the implementation that we are g...
Ask a question
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What needs improvement with Opal?
The core platform is already strong, but I would appreciate more flexibility in customizing workflows and access revi...
What is your primary use case for Opal?
The main case I am using Opal is for identity and access governance, particularly managing application access and enf...
 

Comparisons

 

Also Known As

Duo Security
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Overview

 

Sample Customers

Information Not Available
Dubai Municipality
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Find out what your peers are saying about Gluu Flex vs. Opal and other solutions. Updated: September 2026.
920,939 professionals have used our research since 2012.