Software Alternatives, Accelerators & Startups

Thunder Client VS LoadComplete

Compare Thunder Client VS LoadComplete and see what are their differences

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Thunder Client logo Thunder Client

Rest API client for VS Code, lightweight Postman alternative

LoadComplete logo LoadComplete

The only load testing tool to record, replay, and test in real browsers at scale.
  • Thunder Client Landing page
    Landing page //
    2023-10-05
  • LoadComplete Landing page
    Landing page //
    2022-10-01

Thunder Client features and specs

  • User-Friendly Interface
    Thunder Client offers a clean and intuitive interface that makes it easy for users to create and manage API requests without getting overwhelmed by complex features.
  • VS Code Integration
    Being an extension for Visual Studio Code, it is convenient for developers who already use VS Code, enabling seamless API testing within their development environment.
  • Lightweight
    Compared to other API testing tools, Thunder Client is lightweight, making it ideal for users who need a quick and simple solution for testing APIs without extensive configuration.
  • Environment Variables
    The tool allows the use of environment variables, enabling users to manage different environments effectively and switch between them easily.
  • Support for Collections
    Supports organizing requests into collections, allowing for efficient management and categorization of related requests.

Possible disadvantages of Thunder Client

  • Limited Advanced Features
    Thunder Client lacks some of the advanced features found in more robust API testing tools, such as automation scripts and extensive plugin support.
  • Dependency on VS Code
    As a VS Code extension, it requires Visual Studio Code to run. This dependency can be a drawback for users who prefer other code editors or standalone applications.
  • No Collaboration Features
    Unlike some other API testing tools, Thunder Client does not have built-in collaboration features, which can limit its use in team environments.
  • Platform Specific
    It is primarily designed for use within Visual Studio Code, which may not be ideal for users who work across multiple platforms or require a standalone solution.

LoadComplete features and specs

  • Ease of Use
    LoadComplete offers an intuitive interface that allows users to easily set up and execute load tests without needing extensive technical knowledge.
  • Comprehensive Reporting
    The tool provides detailed reports and analytics, making it easier for users to understand performance metrics and identify bottlenecks.
  • Integration Capabilities
    LoadComplete integrates well with various CI/CD tools, enhancing its utility in automated testing environments.
  • Real Browser Testing
    It enables testing using real browsers, ensuring that load tests closely simulate real user interactions and provide more accurate performance data.

Possible disadvantages of LoadComplete

  • Cost
    The pricing of LoadComplete can be high for small organizations or individuals, potentially limiting its accessibility for budget-conscious users.
  • Resource Intensive
    Running extensive tests may require significant computing resources, which could impact other operations if not managed properly.
  • Learning Curve
    Despite its usability, some aspects of the tool might have a learning curve, especially for users unfamiliar with load testing concepts.
  • Limited Protocol Support
    Compared to some other load testing tools, LoadComplete may support fewer protocols, which could be a limitation for testing complex systems.

Analysis of Thunder Client

Overall verdict

  • Thunder Client is a good option for developers who want a minimalistic and efficient tool for testing APIs without the need for a standalone application. It is particularly beneficial for those who use Visual Studio Code as their primary development environment.

Why this product is good

  • Thunder Client is known for its simplicity and ease of use, making it a popular choice for developers who require a lightweight API testing solution. It is integrated directly into Visual Studio Code, allowing users to manage API requests without switching between applications. It supports RESTful services and offers features like collections, environment variables, and authentication support, comparable to other tools but within a more streamlined interface.

Recommended for

  • Developers who prefer working within Visual Studio Code
  • Those who need a simple and fast tool for testing REST APIs
  • Developers looking for an alternative to more complex API testing tools
  • Teams or individuals with straightforward API testing needs and require easy sharing of request collections

Analysis of LoadComplete

Overall verdict

  • LoadComplete (LoadNinja) is a powerful and reliable tool for teams looking for a comprehensive, scalable solution to performance testing. It's especially beneficial for teams that require ease of use and the ability to quickly execute and iterate tests without deep technical expertise in testing frameworks.

Why this product is good

  • LoadComplete, or LoadNinja, is renowned for its user-friendly interface and robust performance testing capabilities. It allows testers to create and execute performance tests without extensive programming knowledge, making it accessible to various users. Its cloud-based infrastructure facilitates realistic load testing scenarios by simulating thousands of users without the need for significant hardware investments. Additionally, its integration capabilities with popular CI/CD tools streamline the testing process within modern development workflows. LoadComplete also provides detailed analytics and reporting, helping teams identify performance bottlenecks and optimize applications efficiently.

Recommended for

  • Development teams looking for seamless integration with existing CI/CD pipelines
  • QA teams seeking a user-friendly interface for performance testing
  • Organizations that need to conduct scalable cloud-based load testing
  • Businesses aiming to identify and resolve performance issues rapidly to improve user experience

Thunder Client videos

Thunder Client - API testing right inside VSCode

More videos:

  • Review - Do you really need Postman? | Use Thunder Client - VSCode extension | Easy & Lightweight
  • Review - Thunder client - Vscode extension | Say no to Postman

LoadComplete videos

LoadComplete 101: Getting Started in LoadComplete | SmartBear Academy

More videos:

  • Review - Hello Yogurt Game Review 1080p Official LoadComplete
  • Review - Hello Yogurt Game Review 1080p Official LoadComplete

Category Popularity

0-100% (relative to Thunder Client and LoadComplete)
Developer Tools
100 100%
0% 0
Website Testing
0 0%
100% 100
API Tools
100 100%
0% 0
Load And Performance Testing

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Thunder Client and LoadComplete

Thunder Client Reviews

Best Postman Alternatives To Consider in 2025
This free, feature-rich extension integrates seamlessly with VSCode, making it ideal for developers who prefer a unified environment. Thunder Client offers collection management, environment variables, and basic automation capabilities. It stands out for its tight integration with VSCode's debugging tools.
15 Best Postman Alternatives for Automated API Testing [2022 Updated]
Thunder Client is a Vscode Postman alternative that runs as a Visual Studio Code extension (not open source). Its design focuses on simple and efficient HTTP clients while constructing or connecting with APIs. Thunder Client can handle a wide range of API requests. It effectively processes immense amounts of data simultaneously while not slowing down the VS Code program.
Source: testsigma.com
Top 5 Postman alternatives
Thunder Client is a VS Code extension focusing on being a simple and efficient HTTP client while building or integrating with APIs. It supports collections as a way to group relevant requests. Moreover, ThunderClient supports the concept of Environment and Environment Variables to store and re-use values within multiple requests. Finally, ThunderClinet offers a UI that you...
Source: testfully.io

LoadComplete Reviews

We have no reviews of LoadComplete yet.
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Social recommendations and mentions

Based on our record, LoadComplete seems to be more popular. It has been mentiond 1 time 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.

Thunder Client mentions (0)

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

LoadComplete mentions (1)

  • Automated Performance Testing?
    Browser Testing: Hit pages with virtual users performing a flow e.g. Sign up, login. If you want a report of how many "real" users can use your app concurrently, then this testing would give the closest "real" world statistics. Cons - price and requires JS/TS scripting knowledge. Tools: BrowserStorm, Flood.IO, LoadNinja. Source: about 5 years ago

What are some alternatives?

When comparing Thunder Client and LoadComplete, you can also consider the following products

Postman - The Collaboration Platform for API Development

WebLOAD - WebLOAD - The most flexible and cost effective software for enterprise load, stress and performance testing, integrated with DevOps processes. Click for details

Insomnia REST - Design, debug, test, and mock APIs locally, on Git, or cloud. Build better APIs collaboratively for the most popular protocols with a devโ€‘friendly UI, built-in automation, and an extensible plugin ecosystem.

OctoPerf - OctoPerf is an enterprise-grade load testing platform, available as SaaS & on-premise, helping IT teams validate scalability at lower cost.

Hoppscotch - Open source API development ecosystem

StresStimulus - Load testing tool for websites and mobile that works with hard-to-test applications.