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Envoy vs HAProxy comparison

 

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

Envoy
Ranking in Service Mesh
4th
Average Rating
9.0
Number of Reviews
1
Ranking in other categories
No ranking in other categories
HAProxy
Ranking in Service Mesh
2nd
Average Rating
8.2
Reviews Sentiment
7.2
Number of Reviews
47
Ranking in other categories
Application Delivery Controllers (ADC) (3rd), Web Application Firewall (WAF) (14th), Distributed Denial-of-Service (DDoS) Protection (6th), Bot Management (7th)
 

Mindshare comparison

As of March 2026, in the Service Mesh category, the mindshare of Envoy is 20.0%, up from 18.0% compared to the previous year. The mindshare of HAProxy is 13.9%, up from 13.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Service Mesh Mindshare Distribution
ProductMindshare (%)
HAProxy13.9%
Envoy20.0%
Other66.1%
Service Mesh
 

Featured Reviews

AM
Full-stack Developer at ImageVision.ai
A simple solution that works as a proxy server and load balancer
I used the solution to build a project's proxy server and load balancer I found Envoy simple to use compared to alternatives like Traefik. The tool needs to incorporate better documentation and more example samples.  I haven't contacted the tool's support team.  I chose Envoy for the POC…
Shrinivas Devarkonda - PeerSpot reviewer
Head of DevOps at TripFactory
Handles high traffic efficiently and simplifies complex routing with rule-based logic
I think HAProxy is good as it stands now, but I believe there could be improvements. gRPC has recently been implemented, which is great, along with TLS 1.2 and 1.3 support, and HTTP 2.0 is also available. However, I'm unsure about the benchmark of those HTTP 2.0 requests on HAProxy. If there were any other protocol with better performance than HTTP 2.0, or perhaps mTLS and other similar features, including that in HAProxy would be really great. For improvements, I think that during setup and configuration, the steps provided are neat and clear. Anyone can easily install and configure it. There are many kernel tuning parameters also available, which is great. For specific improvement, in terms of logging, I think printing the full object of the request may help, or if there's a way to reference two requests, it would be beneficial to find a complete session history from a logged-in customer, as it would help analyze customer and user analytics.

Quotes from Members

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

Pros

"I found Envoy simple to use compared to alternatives like Traefik."
"HAProxy positively impacted our organization by exceeding scalability expectations, initially projected at 200k requests but ultimately handling over 15 million transactions per second without any issues."
"Stability is number one."
"The ease of use of the configuration, and great documentation, are the most valuable features for us."
"HAProxy Enterprise Edition has been rock solid. We have essentially had no downtime caused by our load balancers in the last 10 months, because they’ve worked so well. Previously, our load balancers caused us multiple hours per year in downtime."
"I estimate that this product has saved our company hundreds, if not thousands, of dollars in possible downtime from previous load balancers. We make a lot of our money from online sales, so it is critical to have 99.9% uptime."
"Load balancing is valuable, and we are also using the WAF feature."
"Having the right load balancing solution – which is what HAProxy is – and protection in place gives organizations peace of mind."
"What I like best about the product is its simplicity and speed. When you need to set up a load balancer quickly, HAProxy offers options like sticky sessions and round-robin. It's also fast to configure, including adding SSL for security. While it may have fewer options than other solutions like F5, HAProxy gets the job done for basic load-balancing tasks."
 

Cons

"The tool needs to incorporate better documentation and more example samples."
"HAProxy could improve by making the dashboards easier to use, and better reports and administration tickets."
"There is no standardized document available. So, any individual has to work from scratch to work it out. If some standard deployment details are available, it would be helpful for people while deploying it. There should be more documentation on the standard deployment."
"Maybe HAProxy could be more modular."
"There is room for improvement in HAProxy's dynamic configuration."
"A significant area for improvement in HAProxy is its tenancy model; managing multiple environments can be challenging, especially with mergers, acquisitions, or domain changes."
"The visibility could be improved."
"We would like to see dynamic ACL and port update support. Our infrastructure relies on randomly allocated ports and this feature would allow us to update without restarting the process."
"The solution can be improved by controlling TCP behavior better and mandating to clients what the expected outcome must be in order to avoid receiving contestant timeout logs."
 

Pricing and Cost Advice

"The tool is open-source."
"HAProxy is free software. There are optional paid products (support/appliances)."
"The only cost is for the image manager, who is responsible for uploading the image, and that is trivial."
"HAProxy is free open-source software."
"Very good value for the money. One of the simplest licensing schemes in this category of products."
"We use NGINX as well. However, because the health checks are a paid feature, I like to avoid it whenever possible​."
"HAProxy is free in the initial offer. However, pricing can be improved."
"HAProxy is an open-source solution."
"If you don't have expertise then go with the licensed version. Otherwise, open-source is the best solution."
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Top Industries

By visitors reading reviews
Computer Software Company
16%
Financial Services Firm
15%
Comms Service Provider
10%
Educational Organization
9%
Computer Software Company
15%
Financial Services Firm
10%
Comms Service Provider
10%
Manufacturing Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business17
Midsize Enterprise15
Large Enterprise16
 

Questions from the Community

What needs improvement with Envoy?
The tool needs to incorporate better documentation and more example samples.
What is your primary use case for Envoy?
I used the solution to build a project's proxy server and load balancer.
Do you recommend HAProxy?
I do recommend HAProxy for more simple applications or for companies with a low budget, since HAProxy is a free, open-source product. HAProxy is also a good choice for someone looking for a stable ...
What do you like most about HAProxy?
The solution is effective in managing our traffic.
What is your experience regarding pricing and costs for HAProxy?
Since we used the open-source version, we were not concerned about pricing, setup cost, or licensing.
 

Comparisons

 

Also Known As

No data available
HAProxy Community Edition, HAProxy Enterprise Edition, HAPEE
 

Overview

 

Sample Customers

Airbnb, Booking.com, Cookpad, Digital Ocean, Ebay, F5, Google, GO-JEK, Grubhub, IBM, Medium, Microsoft, Netflix, Pinterest, Salesforce.com, Snapchat, Stripe, Square, Tencent, Twilio, Uber, Verizon, VMware, Vsco, Yahoo Japan, Yelp
Booking.com, GitHub, Reddit, StackOverflow, Tumblr, Vimeo, Yelp
Find out what your peers are saying about Isito, HAProxy, Kong and others in Service Mesh. Updated: March 2026.
884,797 professionals have used our research since 2012.