Amazon Corretto Reviews & Product Details

No licensing fees, which saved our customers thousands compared to Oracle JDK. It’s multiplatform and fully compliant with Java SE standards, and it was useful during Windchill PLM upgrades thanks to its seamless compatibility with existing Java applications. It’s a drop-in replacement for OpenJDK, but with long-term support and regular security updates from AWS. It performs well in our environment. Review collected by and hosted on G2.com.

There’s not much to dislike, but I do think the documentation around version-specific changes could be improved. Also, it needs the Amazon package to work, so it can’t run without Amazon’s cloud. Review collected by and hosted on G2.com.

The biggest feature of Amazon Corretto is its production-grade reliability. It is not just an OpenJDK build, but a JVM optimized, secure, and long-term supported by AWS, which is extremely stable for mission-critical applications. I like that Corretto provides enterprise-level stability without any additional cost—making large deployments cost-efficient. Additionally, Corretto's performance is remarkable: it remains consistently stable in long-running microservices, memory consumption is optimized, and garbage collection tuning works better. For applications deployed on AWS, Corretto offers a practically "plug and play" experience—because it comes naturally optimized with the AWS ecosystem. Due to Free & Long-Term Support (LTS), Corretto is completely free and continues to receive updates for a long time—making it perfect for enterprise setups. Corretto JVM is tuned for Performance Optimization: it ensures more stable throughput, lower latency, and better garbage collection behavior, resulting in noticeable performance improvement in Java backend services. Due to Regular Security Updates, AWS quickly releases security patches, keeping production environments secure. Due to Seamless AWS Ecosystem Compatibility, there are no compatibility issues when running Java apps on AWS services like EC2, ECS, Lambda, and due to Cross-platform Availability, the same distribution runs on Windows, Linux, and macOS. Due to 100% OpenJDK Compatibility, there are Zero code changes, Zero build changes, Zero configuration conflicts when migrating any Java project. Due to High Stability for Microservices, this JVM is very reliable in microservices architecture, especially in continuous load and high uptime scenarios. Review collected by and hosted on G2.com.

1. Compared to New Java Releases, Updates are slightly delayed Corretto usually adopts new updates from OpenJDK, but: sometimes patches or releases arrive a few days late. Oracle or Adoptium builds provide updates quickly. Impact: Production environments have to wait a bit for the updated security patch.

2. Documentation is not always as detailed AWS documentation is overall good, but: some JVM tuning features, performance benchmarks, detailed migration guides are not as detailed for Corretto as they are in Adoptium or Oracle JDK. Impact: Extra research is needed in tuning or debugging scenarios. Review collected by and hosted on G2.com.

1.long term and stability

2.frequent updates and security pathces come before standard open jdk

3.work good with docker and kubernates env and integrate smooth with aws Review collected by and hosted on G2.com.

start time is little bit slower than comparing to lightweight jvm alternative

and also want to highlight docker image size which is relatively large which affect build and deployment time Review collected by and hosted on G2.com.

I really appreciate Amazon Corretto JDK's stability and how it seamlessly integrates with IntelliJ. It's reliable and provides a hassle-free setup with no random bugs or configuration issues. The automatic long-term security updates give me confidence to use it for production-grade Java projects. It's lightweight and fast, fitting perfectly into my Spring Boot and IntelliJ workflow. The cross-platform consistency is impressive, and it aligns well with AWS services, especially for cloud-based Java apps. Amazon's performance tuning makes it shine during heavy builds and long-running processes. Plus, it's free, fully open-source, and there are no licensing headaches, making it a polished, enterprise-ready JDK. Overall, it gives me a clean, reliable Java environment I don’t have to worry about. Review collected by and hosted on G2.com.

The only thing that could improve is the documentation — it’s a bit minimal compared to other JDKs. Occasionally, updates arrive slightly later than upstream OpenJDK. Other than that, I haven’t faced any major issues. Review collected by and hosted on G2.com.

Corretto incorporates performance enhancement to optimize java applications. It includes security updates to protect against vulnerabilities. Corretto comes with long term support that will include security fixes. There is no additional paid features or restrictions Review collected by and hosted on G2.com.

There is minimal documentation specific to Corretto features. Most of the older web applications continue to look for traditional java applications. It lacks the extensive performance monitoring and management tools found Oracle commercial JVMs. Review collected by and hosted on G2.com.

One great advance of using it is that it can match great when I start coding in Java, this becomes great because Java can be a good code to import and import to make it run. Corretto makes it easier to use and manageble to make it easier Review collected by and hosted on G2.com.

You need the Amazon package to make it, so it can not run without the cloud of Amazon Review collected by and hosted on G2.com.

I value Amazon Corretto for being a dependable, production-ready OpenJDK distribution that offers long-term support and performance improvements. It integrates smoothly with AWS workloads, delivers prompt security updates, and avoids any licensing fees. Its cross-platform compatibility also makes it convenient to use throughout development, testing, and deployment environments. Review collected by and hosted on G2.com.

While Corretto is stable and performant, the documentation could be more detailed in certain areas, especially around performance tuning for enterprise workloads. Additional tutorials or best-practice guides for specific use cases would be helpful. Review collected by and hosted on G2.com.

Fork of openjdk and does not required licensing to start utlizing to build personal or corporate projects Review collected by and hosted on G2.com.

Amazon Corretto tends to be chosen primarily when projects are intended for deployment on AWS. In most other situations, developers usually prefer to use OpenJDK as their first choice. Review collected by and hosted on G2.com.

I like that Amazon Corretto is free, well supported, and secure. It gets regular updates, and the integration is straightforward, which makes it a reliable choice for production use. Review collected by and hosted on G2.com.

At times, updates can lag a bit behind the very latest OpenJDK features, and the available tooling or overall ecosystem visibility feels somewhat limited compared with some other JDK distributions. Review collected by and hosted on G2.com.

No licensing fees, which saved our customers thousands compared to Oracle JDK. It's multiplatform and fully compliant with Java SE standards. It was useful in Windchill PLM Upgrades. Review collected by and hosted on G2.com.

Certain older web applications continue to look for "traditional" Java installations, which can mean additional configuration is needed when working in mixed environments. Review collected by and hosted on G2.com.