--- 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: '2026-07-07' 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 admire the **ease of use** of JaCoCo, enjoying its simple setup and clear visualization of code coverage. (4 reviews) - Users value JaCoCo's **seamless integration** and appreciate its detailed reporting for better code quality and test coverage. (4 reviews) - Users appreciate the **setup ease** of JaCoCo, finding it straightforward and smooth for quick integration into their workflows. (4 reviews) - Users appreciate the **navigation ease** of JaCoCo, finding its reports and setup straightforward and user-friendly. (2 reviews) - Users value the **easy integration** of JaCoCo with tools like Maven, Gradle, and IDEs, enhancing application development. (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 face **debugging issues** with JaCoCo in multi-module projects, complicating the resolution of coverage-related problems. (3 reviews) - Users find the **difficult navigation** in JaCoCo challenging, especially when identifying missed branches during coverage analysis. (1 reviews) - Users note a **lack of resources** as JaCoCo only measures coverage, neglecting the quality of tests and complicating debugging. (1 reviews) - Users find **limited plugin support** challenges in managing multi-module projects, complicating configuration and use. (1 reviews) - Users find the **outdated interface** of JaCoCo less appealing compared to more modern alternatives. (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§ion=pricing&secure%5Bexpires_at%5D=2026-07-11+09%3A10%3A49+-0500&secure%5Bsession_id%5D=b67f21df-e014-411d-bc94-4f35b944e76f&secure%5Btoken%5D=45ab511a78f23839d733ba16071d456e8111aa34e4c799d0f3003d6dc5c7159b&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 (2,314 reviews) - [Xcode](https://www.g2.com/products/xcode/reviews) - 4.2/5.0 (996 reviews) - [NetBeans](https://www.g2.com/products/netbeans/reviews) - 4.2/5.0 (655 reviews)