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Envoy vs Istio 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
Istio
Ranking in Service Mesh
1st
Average Rating
8.4
Reviews Sentiment
6.5
Number of Reviews
12
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of February 2026, in the Service Mesh category, the mindshare of Envoy is 20.8%, up from 17.1% compared to the previous year. The mindshare of Istio is 16.6%, down from 22.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Service Mesh Market Share Distribution
ProductMarket Share (%)
Istio16.6%
Envoy20.8%
Other62.599999999999994%
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…
Redentor Del Rosario - PeerSpot reviewer
Sr. Solution Architect at Civatech Solutions
Leverage cloud security monitoring across multiple providers with robust integration
The best features Istio offers in my experience stand out because my job requires me to look for and use this type of tool, and this fits what I'm looking for, not just because it's free, not just because of the monitoring side, but simply because a lot of what pertains to my project is useful for Istio. One of the good things about the features is that due to the nature of the tool, it is really good for enterprise projects, and it can be helpful for every company. Istio has positively impacted my organization by helping our architecture design and development, and we use this as a mesh, applying it for every single application and using those components, which is helping our company and our clients to do many different aspects for all the use of Istio.

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."
"Istio has positively impacted my organization by helping our architecture design and development, and we use this as a mesh, applying it for every single application and using those components, which is helping our company and our clients to do many different aspects for all the use of Istio."
"The most valuable features of Istio are the traffic management and the Sidecar they inject, which greatly helps secure the application."
"What I find particularly valuable about Istio is that it is free of cost."
"Istio can save you time in terms of network troubleshooting."
"Istio's best feature is that it's easy to use."
"The initial setup is pretty straightforward."
"Istio makes all that much easier - traffic splits, percentage traffic splits, doing some sort of chaos testing to see how it works."
"What I find particularly valuable about Istio is that it is free of cost."
 

Cons

"The tool needs to incorporate better documentation and more example samples."
"Istio has issues with performance."
"Handling large-scale environments with proxies can strain resources, but horizontal scaling can improve fault tolerance."
"I've seen applications where they had such strict time constraints, they couldn't use Istio because it was too much overhead."
"It would be beneficial if Istio offered paid support options, similar to AWS's enterprise support, to quickly resolve issues that might affect production."
"If someone doesn't understand Kubernetes, they'll have issues working with Istio."
"It would be good if the solution had more community forums."
"Istio needs to be more mature and user-friendly."
"Reducing the latency between the control plane and the data plane would be beneficial."
 

Pricing and Cost Advice

"The tool is open-source."
"We use the tool's open-source version, so there are no hidden fees or additional costs associated with it."
"It is on the less expensive side. It provides a significant saving for us in terms of cost and other things. It is open-source. We just download it from the open-source framework and use it."
"You can deploy Istio free of cost and don't need to pay for it."
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Top Industries

By visitors reading reviews
Computer Software Company
17%
Financial Services Firm
15%
Educational Organization
10%
Comms Service Provider
9%
Financial Services Firm
14%
Manufacturing Company
12%
Computer Software Company
11%
Educational Organization
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise4
Large Enterprise3
 

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.
What is your experience regarding pricing and costs for Istio?
Istio provides a significant saving for us in terms of costs since it is open source. However, Istio can still come at a price. It has a steep learning curve and might require more manpower hours ...
What do you like most about Istio?
We use Istio for Service Discovery and routing traffic.
What needs improvement with Istio?
The positive changes include improvements in efficiency, and while I think the free aspect is good, it's crucial to be aware that sometimes cost will give you a good way for your needs, meaning it ...
 

Comparisons

 

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
Information Not Available
Find out what your peers are saying about Isito, HAProxy, Kong and others in Service Mesh. Updated: January 2026.
881,733 professionals have used our research since 2012.