Load testing for web applications
Visit WebsiteReviews onG2Capterra
65 reviews trackedThe Bottom Line
Entry price
Free plan available, paid tiers above
Biggest pro
Good load testing tool
Biggest con
Learning curve
TL;DR - Gatling
- Gatling is a load testing tool for measuring web application performance under stress
- It simulates thousands of users with code-based scenarios written in Scala or Java
- Free and open-source, Enterprise plans available
Pricing: Free plan available
Best for: Growing teams
4.4/5 across review platforms
What is Gatling?
Gatling runs load tests with a developer-friendly approach. Write scenarios in Scala or Kotlin, simulate thousands of users, get detailed analysis-performance testing that fits development workflows.
The DSL is expressive. The reports are thorough. The recorder captures browser sessions.
Development teams wanting load testing they can integrate into CI choose Gatling for developer-oriented performance testing.
Available on: Web
Pros & Cons
Pros
- Good load testing tool
- Scala-based DSL
- Good reporting
- Open source
- Active community
Cons
- Learning curve
- Scala knowledge needed
- Enterprise features paid
- Setup complexity
- Resource intensive
Ratings Across the Web
4.4(65 reviews)
Ratings aggregated from independent review platforms. Learn more
Key Features
Load testingScala DSLSimulationReportsCI integrationOpen source
Pricing Plans
Free TrialPricing checked Jul 5, 2026
Most Popular
Open Source
Free
Free
- Load testing
- Scala DSL
- Reports
Enterprise
Free
Custom
- Cloud
- Real-time metrics
- Support
Reviews
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4.4/5
Across 65 verified user reviews on G2, Capterra
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Gatling FAQ
How does Gatling help with web application performance testing?
Gatling allows users to write load test scenarios in Scala or Kotlin, simulate thousands of users, and receive detailed analysis. This approach integrates performance testing directly into development workflows, making it suitable for web applications.
Which teams would benefit most from using Gatling?
Development teams looking for load testing that can be integrated into continuous integration pipelines will find Gatling beneficial. It is designed for developer-oriented performance testing, offering an expressive DSL and thorough reports.
How does Gatling compare to k6 for load testing?
Gatling uses a Scala-based DSL for defining load test scenarios, providing good reporting and an active open-source community. In contrast, k6 offers a different approach to scripting and performance testing.
What kind of limitations should users be aware of when adopting Gatling?
Users should be prepared for a learning curve, as Scala knowledge is needed to fully utilize Gatling's capabilities. Additionally, setting up Gatling can have some complexity, and it can be resource-intensive.
Does Gatling include a free tier?
Yes, Gatling is available on a free tier, allowing users to get started with its load testing capabilities. Paid plans are offered for those requiring more usage and additional features.
Can Gatling capture user journeys for test scenarios?
Gatling includes a recorder feature that can capture browser sessions. This allows users to easily create test scenarios based on actual user interactions with a web application.
How does Gatling support integration into CI/CD pipelines?
Gatling is designed for developer-oriented performance testing, enabling development teams to integrate load testing directly into their continuous integration workflows. This helps ensure performance is monitored throughout the development lifecycle.
Source: gatling.io