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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
4.8
VMWare Avi Load Balancer improves redundancy, reduces costs, minimizes downtime, and enhances security, offering quick ROI for many users.
VMWare Avi Load Balancer has created a smoother failover process without issues, keeping the state normal, where typically there would be manual intervention.
Senior Database Engineer, SRE at Interswitch Group
I have not found any return on investment so far, as it does not really lend itself to that; it is more about not having to stand up another data center for redundancy.
Vdi Consultant at Garbutt Ltd
 

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
6.3
VMWare Avi Load Balancer support is mixed; praised for responsiveness but struggles with consistency, scope management, and knowledge base navigation.
We have not received technical support from Kemp LoadMaster without a license.
Information Security Engineer at BOK
The solution architect from VMware side told me that there would be no issue adding them. Here we are with an RFP, and we cannot add them easily.
Pre Sales at a computer software company with 51-200 employees
The support for VMWare Avi Load Balancer is really good, and the integration with other tools is really effective, which makes the overall experience smoother.
Senior Database Engineer, SRE at Interswitch Group
They are quite responsive, taking the necessary time to address our issues.
Senior Associate Infrastructure at Publicis Sapient
 

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
7.1
VMWare Avi Load Balancer is scalable, efficient for multiple users, though it has limitations compared to hardware platforms.
Kemp LoadMaster is a scalable solution.
Information Security Engineer at BOK
I would rate the scalability of VMWare Avi Load Balancer a perfect ten out of ten because it senses traffic and scales automatically, also scaling down when there is no need, making it very elastic, resulting in zero costs when there is no traffic, which is excellent.
Senior Associate Infrastructure at Publicis Sapient
In my role as a database engineer, scalability works in two layers and rarely becomes a bottleneck.
Senior Database Engineer, SRE at Interswitch Group
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
8.0
VMWare Avi Load Balancer is reliable and stable, with occasional UI bugs, excellent recovery, and analytics features.
With the license purchase afterwards, if it expires, it begins dropping the HTTP traffic, also the DNS traffic.
Information Security Engineer at BOK
VMWare Avi Load Balancer is very reliable and stable.
Vdi Consultant at Garbutt Ltd
VMWare Avi Load Balancer is stable based on my experience.
Senior Associate Infrastructure at Publicis Sapient
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 requires better pricing, integration, documentation, security features, traffic control, and support to ease the learning curve.
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 need for policy execution tracing to simplify debugging is evident because if connections are routed incorrectly, for example, directly to a replica, debugging can become painful in production.
Senior Database Engineer, SRE at Interswitch Group
It would also be beneficial to have true VMWare Avi Load Balancer failover at the VMWare Avi Load Balancer level.
Vdi Consultant at Garbutt Ltd
 

Setup Cost

Kemp LoadMaster offers flexible, cost-effective licensing and setup with positive user feedback and a 30-day free trial.
Enterprise buyers find VMWare Avi Load Balancer pricing varies, appreciated for transferability but may incur additional feature costs.
The experience with pricing, setup cost, and licensing shows that its pricing is quite pricier compared to Anthos Service Mesh.
Senior Associate Infrastructure at Publicis Sapient
it operates on a capacity and consumption model, unlike traditional appliances that charge based on hardware.
Senior Database Engineer, SRE at Interswitch Group
 

Valuable Features

Kemp LoadMaster offers ease of use, security features, Azure integration, and cost-effective load balancing for Microsoft applications.
VMWare Avi Load Balancer provides high availability, multi-cloud support, enhanced security, and cost-effective traffic management with a user-friendly interface.
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
Since implementing VMWare Avi Load Balancer, we no longer need to manually change IP addresses in our configuration, as Avi automates this process, which controls traffic and network appropriately, adding a layer of security and assurance.
Senior Database Engineer, SRE at Interswitch Group
The special capability I appreciate about VMWare Avi Load Balancer is its ease of use; it is very lightweight and quite inexpensive to deploy.
Vdi Consultant at Garbutt Ltd
It enables flexible deployment across environments and elastic auto-scaling, automatically scaling load balancer capacity based on traffic, then adding and removing service engines dynamically without over-provisioning, which leads to lower infrastructure costs and efficient handling of sudden traffic spikes.
Senior Associate Infrastructure at Publicis Sapient
 

Categories and Ranking

Kemp LoadMaster
Ranking in Application Delivery Controllers (ADC)
11th
Average Rating
9.4
Reviews Sentiment
7.7
Number of Reviews
50
Ranking in other categories
Web Application Firewall (WAF) (22nd), Distributed Denial-of-Service (DDoS) Protection (17th)
VMWare Avi Load Balancer
Ranking in Application Delivery Controllers (ADC)
12th
Average Rating
8.0
Reviews Sentiment
6.7
Number of Reviews
13
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of June 2026, in the Application Delivery Controllers (ADC) category, the mindshare of Kemp LoadMaster is 6.1%, down from 7.5% compared to the previous year. The mindshare of VMWare Avi Load Balancer is 4.7%, down from 5.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Delivery Controllers (ADC) Mindshare Distribution
ProductMindshare (%)
Kemp LoadMaster6.1%
VMWare Avi Load Balancer4.7%
Other89.2%
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
ParthasarathyT - PeerSpot reviewer
Senior Associate Infrastructure at Publicis Sapient
Multi-cloud traffic has been routed intelligently while security and cost model still need improvement
VMWare Avi Load Balancer can be improved in various ways, as it follows a pay-as-you-go model, which still makes it quite pricey and a little expensive for startups or small-scale industries. They have to pay a lot to use it, and they may not find it reliable for their environment, but for enterprise-level or larger organizations, this tool is excellent. The product's stability has some bugs, and there are reports suggesting quick upgrades. New releases may require patches and fixes. The learning curve for new users is quite tough since the architecture controller and service engine differ from traditional ADCs, requiring an understanding of cloud concepts and networking, plus DevOps. It also has limited advanced traffic control compared to F5 due to a lack of flexibility with F5 rules. It can accept all traffic routes and paths, but when using an advanced setting like an F5 rule, it is not highly flexible with traffic scripting.
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Top Industries

By visitors reading reviews
Financial Services Firm
10%
Computer Software Company
9%
Manufacturing Company
9%
Construction Company
8%
Financial Services Firm
17%
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 Business6
Midsize Enterprise4
Large Enterprise6
 

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 is your experience regarding pricing and costs for Avi Networks Software Load Balancer?
I did not participate directly in pricing, setup cost, and licensing for VMWare Avi Load Balancer, as that responsibility falls to another functional team. However, I know that it was an internal d...
What needs improvement with Avi Networks Software Load Balancer?
In my opinion, VMWare Avi Load Balancer is a complicated tool with many advanced features that can be beneficial, but policies are powerful yet difficult to debug when traffic behaves unexpectedly ...
What advice do you have for others considering Avi Networks Software Load Balancer?
My advice for others looking into using VMWare Avi Load Balancer is to assess the environment and what you aim to achieve. VMWare Avi Load Balancer is powerful and delivers great value when designe...
 

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: June 2026.
899,917 professionals have used our research since 2012.