--- title: JaCoCo Reviews meta_title: 'JaCoCo Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 52 reviews by the users' company size, role or industry to find out how JaCoCo works for a business like yours. aggregate_rating: rating_value: 4.5 review_count: 52 scale: '5' date_modified: '2026-08-09' parent_category: name: Integrated Development Environments (IDE) url: https://www.g2.com/categories/integrated-development-environments-ide --- # JaCoCo Reviews **Vendor:** Jacoco **Category:** [Java Integrated Development Environments (IDE)](https://www.g2.com/categories/java-integrated-development-environments-ide) **Average Rating:** 4.5/5.0 **Total Reviews:** 52 ## About JaCoCo JaCoCo is a free, open-source Java code coverage library developed by the EclEmma team. It provides detailed insights into code execution during testing, enabling developers to assess the effectiveness of their test suites and identify untested parts of their codebase. By integrating JaCoCo into the development process, teams can enhance software quality and maintainability. Key Features and Functionality: - Comprehensive Coverage Metrics: JaCoCo measures various coverage types, including instruction (C0), branch (C1), line, method, and class coverage. It also analyzes cyclomatic complexity to identify intricate code segments that may require refactoring. - Bytecode Instrumentation: Utilizing Java bytecode instrumentation, JaCoCo operates without needing source files, allowing for seamless integration into diverse Java environments. - Flexible Integration: JaCoCo supports integration with popular build tools such as Maven, Gradle, and Ant, as well as continuous integration platforms like Jenkins and TeamCity. It also offers plugins for IDEs like Eclipse (via EclEmma) and IntelliJ IDEA, facilitating easy adoption into existing workflows. - On-the-Fly Instrumentation: Through a Java agent, JaCoCo performs on-the-fly instrumentation, enabling real-time coverage analysis without modifying the original codebase. Primary Value and Problem Solved: JaCoCo addresses the critical need for effective code coverage analysis in Java development. By providing detailed coverage reports, it helps developers identify untested code paths, ensuring that applications are thoroughly tested. This leads to higher code quality, reduced risk of defects, and improved software reliability. Its lightweight design and flexible integration options make it suitable for various development environments, from individual projects to large-scale enterprise applications. ## JaCoCo Pros & Cons **What users like:** - Users appreciate the **ease of use** of JaCoCo, finding it simple and efficient to integrate and understand. (4 reviews) - Users appreciate JaCoCo for its **seamless integration and clear reporting** , making code coverage evaluation straightforward and effective. (4 reviews) - Users find JaCoCo's **setup ease** remarkable, allowing for quick integration and smooth performance in development workflows. (4 reviews) - Users value the **navigation ease** of JaCoCo, appreciating its clear visual reports for improved code coverage insights. (2 reviews) - Users appreciate the **easy integration** of JaCoCo with Maven and Gradle, enhancing their application development process. (1 reviews) - Users appreciate the **easy integration** of JaCoCo with Maven and Gradle, enhancing their workflow efficiency. (1 reviews) - Convenience (1 reviews) - Users appreciate the **easy integrations** of JaCoCo with Maven, Gradle, and various IDEs, enhancing their workflow. (1 reviews) - Error Handling (1 reviews) - IDE Integration (1 reviews) **What users dislike:** - Users find **debugging issues** in JaCoCo challenging, especially with multi-module projects and potential undetected runtime bugs. (3 reviews) - Users find **difficult navigation** due to the unclear indication of missed branches in JaCoCo's coverage reports. (1 reviews) - Users criticize the **lack of resources** in JaCoCo, as it only measures coverage without assessing test quality. (1 reviews) - Users experience **limited plugin support** that complicates handling multi-module projects and defining configurations. (1 reviews) - Users find the **outdated interface** of JaCoCo less appealing compared to competitors, impacting their overall experience. (1 reviews) - Users note the need for **enhanced UI reporting** , suggesting that more detailed information would improve their experience. (1 reviews) ## JaCoCo Reviews ### 1. JaCoCo review **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Computer Software | Enterprise (> 1000 emp.) **Reviewed Date:** August 26, 2021 **What do you like best about JaCoCo?** getting the binary coverage and converting it to XML and storing it on disk and writing a log **What do you dislike about JaCoCo?** Hard to use to a person from another field **Recommendations to others considering JaCoCo:** To try it its really good **What problems is JaCoCo solving and how is that benefiting you?** Code coverage and converting it to XML ### 2. Best tool for Java code coverage **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Health, Wellness and Fitness | Mid-Market (51-1000 emp.) **Reviewed Date:** May 06, 2021 **What do you like best about JaCoCo?** Coverage reporting, it suites to java based application testing seamlessly **What do you dislike about JaCoCo?** speed of execution, coparative node coverage this is slower **Recommendations to others considering JaCoCo:** It is the best fit for code coverage in java **What problems is JaCoCo solving and how is that benefiting you?** achieved code quality ## JaCoCo Discussions - [What is difference between JaCoCo and SonarQube?](https://www.g2.com/discussions/what-is-difference-between-jacoco-and-sonarqube) - 1 comment - [What is JaCoCo used for?](https://www.g2.com/discussions/what-is-jacoco-used-for) - 2 comments - [View JaCoCo pricing details and edition comparison](https://www.g2.com/products/jacoco/reviews?page=2&qs=pros-and-cons§ion=pricing&secure%5Bexpires_at%5D=2026-08-09+10%3A37%3A45+-0500&secure%5Bsession_id%5D=ef757027-f23e-47e8-8bff-771255ba14a3&secure%5Btoken%5D=e338a476a73ab0f2c8ad8f54ed00e464f442e421b0881bd3d3fe3c50ed92e62b&format=llm_user) ## JaCoCo Integrations - [Eclipse](https://www.g2.com/products/eclipse/reviews) - [IntelliJ IDEA](https://www.g2.com/products/intellij-idea/reviews) ## Top JaCoCo Alternatives - [IntelliJ IDEA](https://www.g2.com/products/intellij-idea/reviews) - 4.6/5.0 (2,320 reviews) - [Xcode](https://www.g2.com/products/xcode/reviews) - 4.2/5.0 (999 reviews) - [NetBeans](https://www.g2.com/products/netbeans/reviews) - 4.2/5.0 (657 reviews)