
Istio
18
Reviews
4.2
Star rating
#2
Rank in Service Mesh Tools
Pros and cons
Pros
Cons
Traffic & LLM citations
Source: G2 review data
Losing to
Key stats
—
56
Enterprise
2
Adoption by company size
| Segment | Share of reviews |
|---|---|
| Small Business | 27.8% |
| Mid-Market | 16.7% |
| Enterprise | 55.6% |
Quarterly history
| Quarter | Reviews | Star rating |
|---|---|---|
| 2026 Q1 | 1 | 4.0 |
Satisfaction ratings
Ease of Use8.1
Ease of Setup7.1
Quality of Support7.9
Meets Requirements9.1
What reviewers say
Open source micro-service service discovery for Enterprise ready
4.0
“Istio with Kubernetes sidecar will make the micro-service service discovery go to the next level. It comes with the following logging tools pre-configured with, 1. Prometheus 2. Jaegar 3. Kiali 4. Grafana It supports advance newtwork traffing control, 1. dns routing wi”
Rafayel's G2 review on Istio product
4.5
“Managing microservices Traffic Forwarding Service Discovery”
best service mesh in the market today
5.0
“I like traffic managment, rate limiting via envot proxy ,fault injection,cicuit breaking,request routing etc.”