Comparison

JUnit vs Selenium

On the evidence we track, Selenium leads this comparison with a composite score of 72/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
JUnit60
★Selenium72
Score
vioscaleAI score
JUnit60 / 100low · 43%
Selenium72 / 100high · 76%
Pricing
Free tier
JUnit✓
Selenium✓
Model
Price level
JUnitfree
Seleniumfree
Transparent
JUnit✓
Selenium✓
Integrations
Count
JUnit–
Selenium5
Reliability
Status page
JUnit–
Selenium✓
Adoption
Dependent repos
JUnit569
Selenium98,124
Github stars
JUnit7,058
Selenium34,541
Package downloads weekly
JUnit–
Selenium6,935,447
Activity
Commits last 30d
JUnit63
Selenium100
Release
Cadence days
JUnit16
Selenium30
History
Selenium20 items
License
Spdx
JUnitEPL-2.0
SeleniumApache-2.0
Language
Primary
JUnitJava
SeleniumJava
Market
Content
Faq
JUnit5 items
Selenium6 items

Capabilities

Feature-by-feature on the axes that matter for testing tools. “-” means undocumented, not absent.

Core
Test types
JUnitUnit
SeleniumUnit + integration + E2E
Browser automation
JUnit-
Selenium✓
Built-in assertion library
JUnit✓
Selenium-
Languages
JUnitJava
SeleniumJava, JavaScript, Python, Ruby, .NET
Isolation
Mocking / stubbing
JUnit-
Selenium-
Techniques
Snapshot testing
JUnit-
Selenium-
Performance
Parallel execution
JUnit-
Selenium✓
Insight
Code coverage
JUnit✓
Selenium-
DX
Watch mode
JUnit-
Selenium-
Ops
CI integration
JUnit✓
Selenium✓

What each one is

The product in its own terms, so the numbers below have context.

JUnit

JUnit 6 is a contemporary testing framework for Java and JVM languages that enables developers to construct and run tests using a variety of methodologies. It requires Java 17 or higher and supports Kotlin 2.1 or later.

Independently observed

Selenium

Leader

Selenium is an open-source testing framework that automates web browsers for testing applications and automating web-based administration tasks across multiple programming languages.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

JUnit

Open sourceFree tier
as of verify ↗

Selenium

Leader
Open source
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
JUnit✗
Selenium✓
CLI
JUnit✓
Selenium✗
Deployment
Self-hosted
JUnit✓
Selenium✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

JUnit

Not documented yet.

Selenium

Leader
5 total
  • Chrome
  • Firefox
  • Edge
  • Appium
  • Chrome for Testing (CfT)
Independently observed
Still deciding?

JUnit or Selenium: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.