Try our new research platform with insights from 80,000+ expert users

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

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 1, 2026

Review summaries and opinions

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

ROI

Sentiment score
6.6
Many companies found F5 BIG-IP LTM beneficial for security and deployment, with mixed views on ROI depending on pricing.
Sentiment score
8.1
NetScaler ensures data security and operational efficiency, providing significant cost savings and stability for medium enterprises.
The major return on investment is the security of our data.
IT Manager at Chong Hua Hospital
 

Customer Service

Sentiment score
6.7
F5 BIG-IP LTM support experiences vary, with mixed reviews on responsiveness, knowledge, community resources, and regional support efficacy.
Sentiment score
6.1
Citrix support is responsive and knowledgeable, though some users report delays and prefer direct access to experienced engineers.
Customer support is quite good but could be faster.
Network Engineer at Stryker
Overall, my experience with F5 is very good compared to Radware.
Project Manager at IBM
I would rate the technical support of F5 BIG-IP Local Traffic Manager (LTM) nine out of ten.
IT Manager at Chong Hua Hospital
 

Scalability Issues

Sentiment score
7.4
F5 BIG-IP LTM offers scalable integration with AWS, suitable for enterprises, but requires careful sizing to avoid constraints.
Sentiment score
7.8
NetScaler is praised for high scalability and flexibility, despite some challenges with licensing complexity and multi-tenancy support.
 

Stability Issues

Sentiment score
8.0
F5 BIG-IP LTM is stable and reliable, with occasional bugs manageable through updates, supported by responsive customer service.
Sentiment score
7.6
NetScaler is highly rated for stability and performance, with some recommending regular maintenance for optimal reliability.
 

Room For Improvement

F5 BIG-IP LTM needs better cost-effectiveness, user interface, cloud integration, documentation, security, automation, and a flexible licensing model.
NetScaler needs improvements in usability, stability, security integration, and support while enhancing documentation, pricing transparency, and deployment processes.
I expect faster resolutions when providing contact numbers while raising cases, as other companies typically do.
Network Engineer at Stryker
The pricing of F5 BIG-IP Local Traffic Manager (LTM) is on the higher side compared to competitors, but it is worth it.
Project Manager at IBM
 

Setup Cost

F5 BIG-IP LTM is feature-rich but costly, especially in AWS; consult F5 for tailored licensing options.
NetScaler pricing is high but offers strong features; cost-saving options include alternatives or negotiating multi-year subscriptions.
 

Valuable Features

F5 BIG-IP LTM excels in load balancing, security, and customization, enhancing performance and reliability for complex network environments.
NetScaler provides flexible deployment, security enhancements, and integration with Citrix for efficient application delivery and robust traffic management.
The impact of SSL offloading on reducing server load and latency is very much positive because whatever traffic we receive, we encrypt at our F5 BIG-IP Local Traffic Manager (LTM) level, which has definitely reduced the additional load and SSL decryption load on the servers, so it has very much helped us and it is very smooth; it will not take much time and will not impact our regular traffic.
Project Manager at IBM
R-series has better CPU and memory, leading to higher throughput with minimal downtime, making it a significant improvement over the I-series.
Network Engineer at Stryker
One of the most beneficial features of F5 BIG-IP Local Traffic Manager (LTM) is its ability to identify compromised traffic and its capabilities in authentication.
IT Manager at Chong Hua Hospital
 

Categories and Ranking

F5 BIG-IP Local Traffic Man...
Ranking in Application Delivery Controllers (ADC)
1st
Average Rating
8.2
Reviews Sentiment
6.8
Number of Reviews
124
Ranking in other categories
No ranking in other categories
NetScaler
Ranking in Application Delivery Controllers (ADC)
2nd
Average Rating
8.4
Reviews Sentiment
7.0
Number of Reviews
107
Ranking in other categories
Network Management Applications (6th), Web Application Firewall (WAF) (12th)
 

Mindshare comparison

As of March 2026, in the Application Delivery Controllers (ADC) category, the mindshare of F5 BIG-IP Local Traffic Manager (LTM) is 14.3%, down from 15.6% compared to the previous year. The mindshare of NetScaler is 12.7%, down from 15.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Delivery Controllers (ADC) Mindshare Distribution
ProductMindshare (%)
F5 BIG-IP Local Traffic Manager (LTM)14.3%
NetScaler12.7%
Other73.0%
Application Delivery Controllers (ADC)
 

Featured Reviews

edshyaa - PeerSpot reviewer
Network Engineer at Stryker
Load balancing has improved traffic distribution and currently supports high availability upgrades
F5 BIG-IP Local Traffic Manager (LTM) offers effective load balancing methods that help distribute traffic across our servers, whether we have two or several. This load balancing feature stands out as it is the fundamental work we do with F5 BIG-IP Local Traffic Manager (LTM). While I recognize there are many features, such as iRules, which I have not explored yet, we primarily work on VIPs, pool members, and traffic distribution. The load balancing algorithms' flexibility makes them very useful for our team, enabling us to choose different servers and manage load effectively. We use various methods based on user or application requirements, making the algorithms set up by F5 in the backend quite helpful. F5 BIG-IP Local Traffic Manager (LTM) positively impacts our organization primarily through its load balancing capabilities. We avoid traffic overload on individual servers by placing backend servers behind F5 BIG-IP Local Traffic Manager (LTM) VIP. This load balancing helps us manage traffic effectively. Since the configuration of the I-series, we have had smooth performance, and with the recent migration to the R-series, it is working faster than before, providing positive outcomes for our operations. Since moving to the R-series, I notice improved performance; it is user-friendly and handles traffic efficiently. The upgrading process is different as we create tenants and a main host. R-series has better CPU and memory, leading to higher throughput with minimal downtime, making it a significant improvement over the I-series.
LD
Information Technology Division Director at Ethiopian Roads Administration
Offers better visibility into user sessions compared to other solutions
Improvements are needed to address the issue of machines becoming unregistered, ensuring stability for end users. Troubleshooting with Citrix support can be challenging, so clearer diagnostics would be beneficial. As for global server load balancing, it works well on-premises, depending on user volume and service stability. Overall, it's satisfactory for us.
report
Use our free recommendation engine to learn which Application Delivery Controllers (ADC) solutions are best for your needs.
884,732 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Financial Services Firm
14%
Computer Software Company
8%
Government
8%
Manufacturing Company
7%
Computer Software Company
11%
Manufacturing Company
9%
Government
8%
Financial Services Firm
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business62
Midsize Enterprise32
Large Enterprise86
By reviewers
Company SizeCount
Small Business45
Midsize Enterprise23
Large Enterprise57
 

Questions from the Community

What needs improvement with F5 BIG-IP?
F5 BIG-IP Local Traffic Manager (LTM) could improve file upload speeds when opening cases and attaching files; sometimes, downloading files like QKView takes time, depending on size. I expect faste...
What is your primary use case for F5 BIG-IP?
My main use case for F5 BIG-IP Local Traffic Manager (LTM) is placing our applications on F5 and the backend servers on the pool. We also regularly renew SSL certificates before they expire, usuall...
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, NetScaler VPX - Customer Licensed
 

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: March 2026.
884,732 professionals have used our research since 2012.