LocalStack
8.2#1 in service virtualization softwareFree planFree planWebAPIExtensionLinux
VisitLocalStack vs ReadyAPI
What both publish
| Fact | LocalStack | ReadyAPI |
|---|---|---|
| CI integrations | The product page says LocalStack can run in GitHub Actions, GitLab CI, CircleCI, and Jenkins using a Docker image. | Documentation covers Docker, Jenkins, Maven, TeamCity and Azure DevOps integrations, along with Jira, MQTT, Git, Slack and Selenium plugins. |
| Company headquarters | LinkedIn lists LocalStack headquarters in Zurich and classifies it as privately held. | SmartBear lists its global headquarters at 450 Artisan Way, Somerville, Massachusetts 02145. |
| Company legal name | Crunchbase identifies the legal entity as LocalStack GmbH. | The product footer identifies the maker as SmartBear Software. |
| Company size | LinkedIn lists the company size as 51–200 employees. | LinkedIn lists SmartBear as a privately held software-development company with 501–1,000 employees and headquarters in Somerville, Massachusetts. |
| Founded | 2016 | 2003 |
| Headquarters | Zurich, Switzerland | Somerville, Massachusetts, United States |
| Integrations | Documentation covers integrations with SDKs, application frameworks, testing tools and LocalStack Extensions. | Listed integrations include Git, GitHub, GitLab, Bitbucket, Jira, Selenium, Jenkins, Azure DevOps, AWS Gateway, SwaggerHub, MuleSoft, Zephyr and Postman. |
| Notable news | LocalStack announced in March 2026 that its AWS Community and Pro distributions would be consolidated into one authenticated image, with the legacy Community edition no longer receiving regular updates. | SmartBear announced on September 16, 2026 that its BearQ agent could autonomously test agentic software development in Jira. |
| Rating on Capterra | 4 out of 5 from 1 reviews | 4.6 out of 5 from 5 reviews |
| Rating on G2 | 5 out of 5 from 1 reviews | 4.4 out of 5 from 73 reviews |
| Rating on TrustRadius | 10 out of 10 from 1 reviews | 6.1 out of 10 from 154 reviews and ratings |
| Self-hosting | LocalStack can run locally in Docker and can be deployed on Kubernetes through an Operator, Helm chart or Kubernetes manifests. | The documentation describes physical-hardware licensing, Docker execution and TestEngine-based execution for headless or distributed runs. |
LocalStack plans
- Azure Public PreviewFree
- HobbyFree
- Hobby (LocalStack for AWS)Free
- Snowflake Base (annual)$29
- Base (LocalStack for Snowflake)$29
- Snowflake Base (monthly)$35 a month
ReadyAPI plans
- ReadyAPI Test - 1-Year License—
- ReadyAPI Test - 2-Year License—
- ReadyAPI Test - 3-Year License—
- ReadyAPI Performance - Small—
- ReadyAPI Performance - Medium—
- ReadyAPI Performance - Unlimited—
Pick LocalStack if…
It suits developers and AI teams that want to validate cloud application changes before deployment, including in CI workflows. The Hobby plan is limited to non-commercial use, and LocalStack says it is not for production customer-facing applications.
Pick ReadyAPI if…
You want what its maker publishes above — check its page for the details.