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F5 BIG-IP Local Traffic Manager (LTM) vs NetScaler comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Apr 20, 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

F5 BIG-IP Local Traffic Man...
Ranking in Application Delivery Controllers (ADC)
2nd
Average Rating
8.2
Reviews Sentiment
6.9
Number of Reviews
121
Ranking in other categories
No ranking in other categories
NetScaler
Ranking in Application Delivery Controllers (ADC)
1st
Average Rating
8.4
Reviews Sentiment
7.0
Number of Reviews
107
Ranking in other categories
Network Management Applications (5th), Web Application Firewall (WAF) (12th)
 

Mindshare comparison

As of May 2025, in the Application Delivery Controllers (ADC) category, the mindshare of F5 BIG-IP Local Traffic Manager (LTM) is 15.4%, down from 15.9% compared to the previous year. The mindshare of NetScaler is 14.4%, down from 15.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Delivery Controllers (ADC)
 

Featured Reviews

Bonieber  Orofeo - PeerSpot reviewer
Identifying compromised traffic and securing data has been a significant advantage
One of the most beneficial features of F5 BIG-IP Local Traffic Manager (LTM) ( /products/f5-big-ip-local-traffic-manager-ltm-reviews ) is its ability to identify compromised traffic and its capabilities in authentication. Additionally, the security aspect of it provides a significant advantage as it helps us secure our data, which is a major investment and benefit for us. Before using this system, we had difficulties in storing our data and managing the traffic that comes in and out.
DEMİRHAN ÇAVUŞOĞLU - PeerSpot reviewer
A tool for centralized management including inventory and sales tracking
Citrix ADM has the ability to implement policies to tighten security. For instance, you can restrict access to your network from outsiders or lack necessary security measures such as antivirus programs. Additionally, there's the Delivery Controller, which allows for comprehensive monitoring and management tasks such as remote restarts, maintenance, and registration. Another essential component is the Director, which provides detailed insights into sessions, including identifying session failures, connection issues, user lockouts, etc. It presents a list of problems to address, enabling you to click on them and resolve them efficiently.

Quotes from Members

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

Pros

"The value and impact of using F5 BIG-IP LTM for application delivery control in our organization are significant."
"It integrates with AWS WAF, which makes it easy to deploy without changes to your infrastructure."
"The iRule feature is very useful for inspecting HTTP. Sometimes, we use it for modifying the headers of the HTTP."
"We're able to do load balancing and global load balancing. When you marry those two products together, you can do a lot more. We're able to deliver our applications more securely and faster. It has improved our deliverability where we have more service across the shared data centers. We can intelligently reach all of those client connections across all of the servers and do it fairly quickly. It has helped improve our application delivery and performance."
"The main reason that we suggest this product to our clients is the great integration with other security tools, such as IBM Guardium."
"The most valuable features are the WAF and the big IP."
"The solution has good load balancing capabilities."
"Good application firewall."
"I like the ease of use. It's easy to manage. I also like it's ease of use with virtualization technologies with applications."
"The MAS integration for HDX Insight has provided teams with significant visibility into network performance of the user's connection."
"For NetScaler, our major use cases are database load balancing, PowerVPN VPN access gateway, WAF (Web Application Firewall), and content switching."
"The most valuable feature of Citrix NetScaler was the seamless integration. Additionally, the UI is good."
"I like app flows and custom flows. They integrate with multiple flows."
"Just one solution can handle thousands of users... So, it is a very convenient tool to use."
"An essential component is the Director, which provides detailed insights into sessions, including identifying session failures, connection issues, user lockouts, etc. It presents a list of problems to address, enabling you to click on them and resolve them efficiently."
"The feature that I have found most valuable is its load balancing."
 

Cons

"The SharePoint SSO part has some room for improvement."
"BIG-IP LTM's sandboxing integration could be improved."
"There are some aspects of F5 BIG-IP that could be improved, the main one being virtual machine support. We have seen that even with the virtual editions, there are some things that we would like to do that are currently not possible with virtual machines."
"Technical support could be faster. It's something I'd like to see them work on in the future."
"The license terms for "non-commercial" will be a challenge for us."
"This is a very expensive solution."
"It reaches a point where scaling is no longer possible."
"For a future release, I would like to see more features in the cloud."
"Getting to use some of the advanced tools, even with the assistance of Citrix support, can be challenging."
"Some features of Citrix ADM are available on the cloud, which could really be helpful if they were available on an on-premise version."
"Finding relevant documentation for learning NetScaler can be challenging, especially for beginners who prefer a web interface over command-line interfaces."
"The setup was not simple."
"An area for improvement in Citrix Web App and API Protection is for it to give real-time notifications and alerts. It would be practical if the solution warns you if there's an attack or if the load or traffic volume increases or decreases. An additional feature I'd like to see in Citrix Web App and API Protection is a prediction or artificial intelligence on what is happening, for example, attacks."
"ADC from Citrix has added functionalities from other products and the usability is very difficult for someone who is used to a simpler user interface, it's a little bit of a mess to use."
"I think the documentation should be improved."
"Their upgrades are not very backward compatible, and sometimes they mess up."
 

Pricing and Cost Advice

"It is quite expensive as a product. Because it is very stable, it is also expensive."
"It is cheaper than the average on the market."
"It is a bit expensive product. Kemp Loadmaster is much cheaper than F5. Its licensing is on a yearly basis. It can be for one year or three years."
"F5 pricing is too high, compared to Citrix."
"Purchasing through the AWS Marketplace was good. We chose to go through the AWS Marketplace because everything that we needed was a soft appliance. We needed something to work in Amazon, and this product was available there."
"Though functionality is high, its cost can be considered slightly higher than its competitors​."
"If you are planning to use security features, better to go for strong hardware and the best bundle license, which is great for web security."
"The cost is high for this product, so it's not suitable for small customers, e.g. those with small environments."
"We are quite happy with price. It's not too high."
"I rate the pricing an eight out of ten since it is expensive."
"On a scale from one to ten, where one is cheap, and ten is expensive, I rate the solution's pricing an eight or nine out of ten."
"The licensing costs for this solution vary depending on which model is being used."
"Licensing is adequate. I wanted to have a more prominent license, but until I do they don't give enough support. The additional cost would be too much."
"The license for Citrix NetScaler is on an annual basis and it is reasonably priced."
"After deployment, Citrix Netscaler shifted to a subscription-based license scheme for support, which is slightly more expensive."
"The pricing for Citrix Web App and API Protection is unreasonable. I don't know the exact price, but I heard it's tens of thousands and it's a bit too much for the small country I live in."
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Top Industries

By visitors reading reviews
Financial Services Firm
17%
Computer Software Company
14%
Government
9%
Manufacturing Company
6%
Computer Software Company
16%
Educational Organization
12%
Financial Services Firm
11%
Government
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What needs improvement with F5 BIG-IP?
The price needs improvement as it is quite costly.
What is your primary use case for F5 BIG-IP?
We're using F5 BIG-IP Local Traffic Manager (LTM) ( /products/f5-big-ip-local-traffic-manager-ltm-reviews ) for our applications and for managing our incoming and outgoing traffic.
What do you like most about Citrix ADC?
The most valuable feature for us is the application firewalling in Citrix NetScaler, ensuring only valid traffic enters our environment.
What is your experience regarding pricing and costs for Citrix ADC?
After deployment, Citrix Netscaler shifted to a subscription-based license scheme for support, which is slightly more expensive.
What needs improvement with Citrix ADC?
Citrix NetScaler is a robust product, but mastering it requires significant learning and training due to its complexity. While it could be easier to manage, it is like transitioning from driving a ...
 

Also Known As

F5 BIG-IP, BIG-IP LTM, F5 ASM, Viprion, F5 BIG-IP Virtual Edition , Crescendo Networks Application Delivery Controller, BIG IP
Citrix ADC, Citrix NetScaler VPX, NetScaler Console, NetScaler Web Application Firewall
 

Overview

 

Sample Customers

Riken, TransUnion, Tepco Systems Administration, Daejeon University, G&T Bank, Danamon, CyberAgent Inc.
ABB Schweiz, Aer Lingus, AIDS Healthcare Foundation, Amnet Technology Solutions, Aramex International, Ascenty, Atos, Autodesk
Find out what your peers are saying about F5 BIG-IP Local Traffic Manager (LTM) vs. NetScaler and other solutions. Updated: April 2025.
850,671 professionals have used our research since 2012.