Software Alternatives, Accelerators & Startups

soapUI VS Flagsmith

Compare soapUI VS Flagsmith and see what are their differences

soapUI logo soapUI

SoapUI Pro is one of the most prominent API testing platforms around, allowing developers to quickly prototype the functions of their apps and get them to market with little hassle.

Flagsmith logo Flagsmith

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.
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  • soapUI Landing page
    Landing page //
    2023-09-16
  • Flagsmith Landing page
    Landing page //
    2021-10-23

soapUI features and specs

  • Comprehensive Testing
    soapUI supports a wide range of testing types including functional, security, and load testing, providing a one-stop solution for API testing needs.
  • User-Friendly Interface
    The tool features an intuitive graphical user interface, making it accessible for users with varying levels of technical expertise.
  • Extensive Protocol Support
    soapUI supports multiple protocols like SOAP, REST, JMS, AMF, as well as a range of underlying technologies including HTTP, HTTPS, JMS, etc., offering flexibility in testing different kinds of APIs.
  • Scripting Capability
    With Groovy scripting support, users can create custom assertions, automation scripts, and add advanced logic to their tests.
  • Community and Documentation
    A large community of users and extensive documentation and tutorials are available, aiding in faster troubleshooting and learning.
  • Integrations
    soapUI integrates well with other tools such as Jenkins, Maven, and JIRA, streamlining the CI/CD pipeline.
  • Open Source Version
    The availability of an open-source version allows users to start testing without any initial cost.

Possible disadvantages of soapUI

  • Performance Issues
    soapUI can become slow, especially with large and complex projects, which can affect productivity.
  • High Memory Usage
    The application often consumes a significant amount of memory, leading to potential performance degradation on less powerful machines.
  • Steep Learning Curve for Advanced Features
    While the basic features are user-friendly, mastering advanced functionalities and scripting capabilities can be challenging for beginners.
  • Limited Advanced Reporting
    The reporting capabilities in the open-source version are quite basic compared to other commercial API testing tools.
  • Paid Licensing for Pro Features
    Many advanced features and more efficient workflows are locked behind the paid 'Pro' version, which might not be affordable for smaller teams or individual developers.
  • UI Glitches
    Users occasionally report glitches and bugs in the graphical user interface, which can be inconvenient and interrupt workflow.
  • Lack of Cloud Deployment
    As of now, soapUI does not offer a cloud-native or SaaS version, limiting flexibility for teams that prefer cloud-based tools.

Flagsmith features and specs

  • Feature Flags
  • Remote Config
  • A/B/X Testing & Optimization
  • Organization Management
  • Integrations

Analysis of soapUI

Overall verdict

  • Overall, SoapUI is considered a good tool for API testing, particularly for those looking for an all-in-one solution. Its extensive feature set and flexibility in handling different test scenarios make it a reliable choice in the industry. However, users should be aware of its potentially steep learning curve and resource-intensive nature, especially with large test suites.

Why this product is good

  • SoapUI is widely regarded as a robust tool for API testing due to its comprehensive set of features, including functional testing, security testing, and load testing capabilities. It offers a user-friendly interface that allows both technical and non-technical users to create and execute tests with ease. Furthermore, SoapUI supports multiple protocols such as SOAP, REST, JMS, and HTTP, making it versatile for various testing scenarios.

Recommended for

    SoapUI is recommended for QA engineers, developers, and testers who need a powerful tool to test APIs thoroughly. It is suitable for organizations that require detailed and comprehensive API testing solutions and are looking for a tool that can integrate with their DevOps processes. Additionally, teams using multiple API protocols will benefit from SoapUI's versatility.

Analysis of Flagsmith

Overall verdict

  • Flagsmith is a good choice for teams looking for a reliable and customizable feature management tool. Its open-source nature and comprehensive feature set make it suitable for both small startups and large enterprises. However, the best fit will depend on your specific needs, such as the size of your team, required integrations, and budget.

Why this product is good

  • Flagsmith is widely appreciated for its simplicity, ease of integration, and robust feature flagging capabilities that help teams manage feature rollouts, AB tests, and configuration toggling. It is open-source, which allows users to benefit from a collaborative community and flexibility in customization. Furthermore, its scalable infrastructure supports modern development workflows and ensures smooth performance.

Recommended for

  • Development teams seeking an open-source feature flagging solution
  • Organizations that need flexible feature management across various environments
  • Companies looking for a solution that supports rapid experimentation and testing
  • Teams aiming for granular control over feature rollout and user segmentation

soapUI videos

REST API Automation - SoapUI OpenSource Review - Mac

More videos:

  • Review - Testing REST API with SoapUI OpenSource - Part 6 - Assertions - Mac
  • Review - SoapUI Certification : Basic details about certification

Flagsmith videos

No Flagsmith videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to soapUI and Flagsmith)
Website Testing
100 100%
0% 0
Developer Tools
14 14%
86% 86
API Tools
100 100%
0% 0
Feature Flags
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare soapUI and Flagsmith

soapUI Reviews

Top 20 Open Source & Cloud Free Postman Alternatives (2024 Updated)
Product Introduction: SoapUI is a robust tool for testing SOAP and REST APIs, known for its extensive testing capabilities, including functional, load, and security testing, which makes it the perfect postman alternative.
Source: medium.com
Best Postman Alternatives To Consider in 2025
This open-source tool caters specifically to SOAP and RESTful web services. SoapUI excels in security testing, with features like load testing and functional testing. While not as beginner friendly as Postman, SoapUI offers a comprehensive solution for more complex API testing needs.
Postman Alternatives for API Testing and Monitoring
SoapUI is a popular open-source and commercial API testing tool (the commercial is called ReadyAPI), due to its powerful capabilities, flexibility and user-friendly platform. It’s particularly effective for testing SOAP, REST and GraphQL APIs. SoapUI allows inputting the WSDL or endpoint URL, configuring the requests with headers, parameters, or body content and sending the...
15 Best Postman Alternatives for Automated API Testing [2022 Updated]
SoapUI provides security and load testing features, and its functional testing supports SOAP and REST API. Users can use SoapUI’s drag-and-drop or point-and-click for scripting features, creating and running automated regression, compliance, and load tests on Web API.
Source: testsigma.com
15 BEST SoapUI Alternatives (2022 Update)
SoapUI is a widely popular API testing tool. It allows you to test REST and SOAP protocols. It facilitates seamless integrations and reusability of scripts. However, load and workflow testing is difficult with SoapUI.
Source: www.guru99.com

Flagsmith Reviews

The 8 best free and open-source feature flag services
BlogBackSign inBlogThe 8 best free and open-source feature flag servicesPosted byThe best open-source feature flag tools1. PostHogWhat is PostHog?Supported librariesHow much does it cost?2. UnleashWhat is Unleash?Supported SDKsHow much does it cost?3. GrowthBookWhat is GrowthBook?Supported SDKsHow much does it cost?4. FlagsmithWhat is Flagsmith?Supported SDKsHow much does it...
Source: posthog.com

Social recommendations and mentions

Based on our record, Flagsmith seems to be more popular. It has been mentiond 13 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

soapUI mentions (0)

We have not tracked any mentions of soapUI yet. Tracking of soapUI recommendations started around Mar 2021.

Flagsmith mentions (13)

  • Why use Open Source Feature Flags?
    Considering all these points, the team at Flagsmith has developed a feature flag management platform Flagsmith and made it open source. The core functionality is open and you can check out the GitHub repository here. I have utilized and authored several blogs discussing their excellent offerings and strategies. - Source: dev.to / about 1 year ago
  • free-for.dev
    Flagsmith - Release features with confidence; manage feature flags across web, mobile, and server side applications. Use our hosted API, deploy to your own private cloud, or run on-premise. - Source: dev.to / over 2 years ago
  • Which startups are made using Django?
    Flagsmith is written in Django and is open source as well: https://flagsmith.com. Source: almost 3 years ago
  • The actual infrastructure costs of running SaaS at scale (billions of requests/month)
    Before we dive in, one important call-out: We provide our feature management product to customers in three ways depending on how they want to have it managed: Fully Managed SaaS API, Fully Managed Private Cloud SaaS API and Self-Hosted. The infrastructure costs that we are sharing is for our customers that leverage our Fully Managed SaaS API offering (try it free: https://flagsmith.com/) which represents a portion... - Source: dev.to / about 3 years ago
  • The Story Behind Our Open Source Ecommerce Platform with +9,000 GH stars in 6 months
    On March 15th, Sebastian Rindom, the CEO & Co-founder of Medusa, did an interview with Flagsmith where he talked about how Medusa started, why create a headless commerce solution, why make it open-source, and more. - Source: dev.to / about 3 years ago
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What are some alternatives?

When comparing soapUI and Flagsmith, you can also consider the following products

Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.

LaunchDarkly - LaunchDarkly is a powerful development tool which allows software developers to roll out updates and new features.

Postman - The Collaboration Platform for API Development

Unleash - Unleash is an open-source feature management platform. We are private, secure, and ready for the most complex setups out of the box.

TestComplete - TestComplete Desktop, Web, and Mobile helps you create repeatable and accurate automated tests across multiple devices, platforms, and environments easily and quickly.

ConfigCat - ConfigCat is a developer-centric feature flag service with unlimited team size, awesome support, and a reasonable price tag.