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Kemp LoadMaster vs VMWare Avi Load Balancer comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Dec 17, 2024

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
7.4
Kemp LoadMaster is a cost-effective solution that enhances efficiency, security, and offers significant returns quickly in various industries.
Sentiment score
3.9
Users benefit from VMware Avi Load Balancer's flexibility and low hardware costs, though some face obstacles to quick financial gains.
 

Customer Service

Sentiment score
8.8
Kemp LoadMaster support is highly rated for its knowledgeable, efficient team offering quick issue resolution and comprehensive online resources.
Sentiment score
5.9
VMware Avi Load Balancer's customer support varies, with mixed reviews on responsiveness, expertise, and ticket handling efficiency.
We have not received technical support from Kemp LoadMaster without a license.
Information Security Engineer at BOK
Even when we have difficulty in VDI and other technology, they dig in, troubleshoot, and find the solution, even if it is not their issue.
Pre Sales at a computer software company with 51-200 employees
 

Scalability Issues

Sentiment score
8.2
Kemp LoadMaster is highly scalable, supporting smooth upgrades and adaptable licensing for both small and large enterprises.
Sentiment score
6.9
VMWare Avi Load Balancer offers scalable architecture but opinions vary, highlighting strengths and limitations compared to hardware platforms.
Kemp LoadMaster is a scalable solution.
Information Security Engineer at BOK
Scalability-wise, VMWare Avi Load Balancer is good.
Trainer/Consultant at Koenig Solutions Pvt. Ltd.
 

Stability Issues

Sentiment score
8.7
Kemp LoadMaster is praised for its stability, reliability, high availability, and effective server load management with minimal downtime.
Sentiment score
7.8
VMWare Avi Load Balancer is stable and reliable, though some question its capacity under heavy traffic for extensive infrastructures.
With the license purchase afterwards, if it expires, it begins dropping the HTTP traffic, also the DNS traffic.
Information Security Engineer at BOK
From a stability point of view, VMWare Avi Load Balancer is stable.
Trainer/Consultant at Koenig Solutions Pvt. Ltd.
 

Room For Improvement

Kemp LoadMaster needs UI, security, documentation enhancements, improved monitoring, automation, analytics, and better cloud integration.
VMWare Avi Load Balancer needs pricing, integration, security, and feature enhancements to compete with leaders like F5.
After that, they said if it was good, we could purchase the license, and while we found it very good, the license cost was too high.
Information Security Engineer at BOK
Multi-cloud capability comes from a configuration called NSX Extended.
Pre Sales at a computer software company with 51-200 employees
The documentation needs to improve, as it was really handy a couple of years back.
Trainer/Consultant at Koenig Solutions Pvt. Ltd.
 

Setup Cost

Kemp LoadMaster offers flexible, cost-effective licensing and setup with positive user feedback and a 30-day free trial.
VMware Avi Load Balancer offers flexible, cost-effective licensing and competitive pricing compared to alternatives like F5, with minimal setup costs.
 

Valuable Features

Kemp LoadMaster offers ease of use, security features, Azure integration, and cost-effective load balancing for Microsoft applications.
VMWare Avi Load Balancer is valued for its integration, stability, intuitive interface, logging, analytics, and flexible deployment options.
We had some issues in patching management, so we deployed this product for virtual patching, the IPS rule, and it gives us very good results because we have very critical servers.
Information Security Engineer at BOK
The features I find most valuable in VMware Avi Load Balancer are the load balancing part and the WAF part.
Trainer/Consultant at Koenig Solutions Pvt. Ltd.
Native capability for load sharing can be accomplished from Fortinet or Palo Alto without the need to add additional tools.
Pre Sales at a computer software company with 51-200 employees
 

Categories and Ranking

Kemp LoadMaster
Ranking in Application Delivery Controllers (ADC)
10th
Average Rating
9.4
Reviews Sentiment
7.7
Number of Reviews
50
Ranking in other categories
Web Application Firewall (WAF) (20th), Distributed Denial-of-Service (DDoS) Protection (17th)
VMWare Avi Load Balancer
Ranking in Application Delivery Controllers (ADC)
12th
Average Rating
8.0
Reviews Sentiment
6.5
Number of Reviews
10
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of April 2026, in the Application Delivery Controllers (ADC) category, the mindshare of Kemp LoadMaster is 6.5%, down from 7.5% compared to the previous year. The mindshare of VMWare Avi Load Balancer is 5.1%, up from 4.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Delivery Controllers (ADC) Mindshare Distribution
ProductMindshare (%)
Kemp LoadMaster6.5%
VMWare Avi Load Balancer5.1%
Other88.4%
Application Delivery Controllers (ADC)
 

Featured Reviews

IshtiaqKhalil - PeerSpot reviewer
Information Security Engineer at BOK
Displays flexible, user-friendly interface with minor licensing challenges
The product could be improved with a more intuitive interface for complex configurations and more advanced analytics. Additionally, enhanced security features, like a more robust Web Application Firewall, and stronger APIs for better automation would be beneficial. Overall, the main areas for improvement are in strengthening the advanced features to better meet the demands of large-scale enterprise environments. key features for the next release should focus on three areas. First, an enhanced, next-generation security suite with a more powerful Web Application Firewall (WAF) and integrated bot protection. Second, more advanced and customizable analytics dashboards to provide deeper insights into application performance. Finally, greater support for modern, cloud-native environments, including better APIs for automation and seamless hybrid-cloud traffic management
Vishal Bhatia - PeerSpot reviewer
Trainer/Consultant at Koenig Solutions Pvt. Ltd.
Analytics dashboard has provided deep visibility and delivers reliable load balancing and WAF protection
Regarding the benefit of VMWare Avi Load Balancer's WAF protection, I think the heuristics are pretty common. I do not come across many trainings for the WAF part, but once in a while. I cannot comment much on whether organizations are using it or not. In terms of VMWare Avi Load Balancer's multi-cloud capability, I have not come across many organizations using it across the different platforms. It is primarily used in the VMware context only. I have not seen anyone using it purely from a Linux or AWS or Azure perspective. Most of the organizations I come across are primarily using it from the VMware side. As for the API-driven infrastructure as code feature of VMWare Avi Load Balancer, because I am not from the developer side, I think that is more for the developers or maybe for integrating some new solutions and digging something deeper into it. That is quite handy. Regarding ease of use with VMWare Avi Load Balancer, that is pretty okay. For implementation, people find it quite okay to implement. There is nothing much from the implementation side. I think VMWare should promote their product more, particularly from the VMWare Avi Load Balancer side. It may be promoted a little bit more. Apart from Avi, most of those are already well-known. I would rate this review an 8 out of 10.
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Top Industries

By visitors reading reviews
Financial Services Firm
11%
Computer Software Company
10%
Manufacturing Company
7%
Government
6%
Financial Services Firm
20%
Comms Service Provider
11%
Computer Software Company
10%
Government
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business24
Midsize Enterprise13
Large Enterprise16
By reviewers
Company SizeCount
Small Business3
Midsize Enterprise3
Large Enterprise4
 

Questions from the Community

What is your experience regarding pricing and costs for Kemp LoadMaster?
My primary advice is to carefully analyze your total cost of ownership (TCO) rather than just the initial purchase price. Kemp LoadMaster is highly competitive on price and often provides a much be...
What needs improvement with Kemp LoadMaster?
The product could be improved with a more intuitive interface for complex configurations and more advanced analytics. Additionally, enhanced security features, like a more robust Web Application Fi...
What is your primary use case for Kemp LoadMaster?
Our primary use case was traffic load balancing and distribution. The solution was essential for managing all inbound client traffic, including HTTPS and DNS requests, by routing it through our fir...
What needs improvement with Avi Networks Software Load Balancer?
The issue with load balancers is that they are all the same. I would rate it seven. I do not recall VMWare Avi Load Balancer having WAF protection. We use WAF and for this specific case, we use F5....
What advice do you have for others considering Avi Networks Software Load Balancer?
We tested some scripts, but they did not fulfill everything. My recommendation is to reduce the price and make it two separate products, not only as an add-on for VMware. It should not be necessary...
What is your primary use case for Avi Networks Software Load Balancer?
We are using native cloud capability. The issue is not from us. VMware changed their module. They are selling perpetual licenses with multi-year support. The reason for this change is to make their...
 

Also Known As

LoadMaster Load Balancer
Avi Software Load Balancer
 

Overview

 

Sample Customers

Kent County Council, KEMP, SMA Solar Technology AG, RT€ Player , Victrix (Quebec, Canada), Texas A&M, Macmillan Cancer Support, Cisco, Austin Bank
Palo Alto Networks, DGDean, Swisslos
Find out what your peers are saying about Kemp LoadMaster vs. VMWare Avi Load Balancer and other solutions. Updated: April 2026.
886,932 professionals have used our research since 2012.