Software Alternatives, Accelerators & Startups

Insomnia REST VS Stacker

Compare Insomnia REST VS Stacker and see what are their differences

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Insomnia REST logo Insomnia REST

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

Stacker logo Stacker

No-Code internal tools powered by Airtable, GSheets + more
  • Insomnia REST Landing page
    Landing page //
    2023-10-05
  • Stacker Landing page
    Landing page //
    2023-06-28

Insomnia REST features and specs

  • User-Friendly Interface
    Insomnia REST features a clean and intuitive user interface that makes it easy to create, send, and manage API requests without a steep learning curve.
  • Support for Multiple Protocols
    In addition to REST, Insomnia supports GraphQL and gRPC, making it versatile for developers working with different API protocols.
  • Environment Management
    Insomnia allows you to create and manage multiple environments, making it easier to switch between staging, development, and production settings.
  • Custom Plugins and Themes
    Insomnia supports custom plugins and themes, allowing users to extend its functionality and personalize the interface to suit their workflow.
  • Collaboration Features
    With Insomnia Teams, users can collaborate and share API requests, environments, and other resources, enhancing team productivity.
  • Cross-Platform Availability
    Insomnia is available on multiple platforms, including Windows, macOS, and Linux, providing flexibility for users on different operating systems.

Possible disadvantages of Insomnia REST

  • Resource Heavy
    Some users have reported that Insomnia can be resource-intensive, leading to potential performance issues on lower-end machines.
  • Limited Free Features
    While Insomnia offers a free tier, some of the more advanced features, such as team collaboration and sync capabilities, require a paid subscription.
  • Steeper Learning Curve for Advanced Features
    Although the basic functionalities are user-friendly, mastering the more advanced features might require a steeper learning curve.
  • Dependency on Electron
    Since Insomnia is built on Electron, it might consume more memory and disk space compared to native applications.
  • Complex Plugin System
    While the plugin system is powerful, it can be complex and challenging for users who are not familiar with JavaScript and Node.js.

Stacker features and specs

  • User-Friendly Interface
    Stacker provides a highly intuitive drag-and-drop interface, making it accessible for users with little to no technical expertise to create custom business applications.
  • Integration Capabilities
    It offers seamless integration with popular platforms like Airtable, Google Sheets, and Salesforce, allowing users to consolidate data from multiple sources into a single platform.
  • Customization Options
    Stacker allows for significant customization of workflows, views, and permissions, enabling businesses to tailor the platform to their specific needs.
  • Rapid Development
    Businesses can quickly develop and deploy applications, reducing the time to market for new solutions and improving overall efficiency.
  • Collaboration Features
    Enhanced collaboration tools allow team members to share and manage data easily, boosting productivity and ensuring everyone is on the same page.
  • Scalability
    The platform can scale with your business, supporting a growing number of users and increasingly complex data needs.

Possible disadvantages of Stacker

  • Cost
    Stacker can be relatively expensive for small businesses or startups, particularly if they require advanced features or larger user bases.
  • Learning Curve
    Despite its user-friendly interface, there can still be a learning curve for new users, especially when it comes to understanding all the customization options and optimal use cases.
  • Customer Support
    Some users have reported that customer support can be slow to respond or not as helpful as needed, which can be a drawback if you encounter issues.
  • Limited Offline Access
    The platform relies heavily on internet connectivity, which can be a limitation for users who need offline access to their applications.
  • Feature Limitations
    While Stacker provides a wide range of features, it may not have all the advanced functionalities that some highly specialized industries require.

Analysis of Insomnia REST

Overall verdict

  • Insomnia REST is an excellent choice for developers who need a robust and intuitive tool for API development and testing. Its comprehensive features and ease of use make it a competitive option alongside other popular API clients.

Why this product is good

  • Insomnia REST is widely regarded as a powerful tool due to its user-friendly interface, extensive plugin ecosystem, and support for multiple authentication protocols. It allows users to easily build, debug, and test RESTful APIs with features like environment variables, code generation, and response validation. Moreover, its compatibility with GraphQL and gRPC makes it versatile for modern development needs.

Recommended for

  • API Developers
  • Software Testers
  • Backend Engineers
  • Technical Leads
  • Anyone involved in RESTful API development and testing

Analysis of Stacker

Overall verdict

  • Stacker is a good option for teams looking to leverage their existing data infrastructure to create functional applications without investing heavily in software development resources. It is particularly beneficial for companies looking to improve operational efficiencies quickly and cost-effectively.

Why this product is good

  • Stacker is a no-code platform that allows businesses and teams to build custom apps using their existing data sources like Google Sheets, Airtable, and others. It is praised for its user-friendly interface, enabling non-technical users to create applications without the need for traditional coding. It enhances productivity by streamlining workflows and is customizable to fit various business needs.

Recommended for

  • Small to medium-sized businesses looking to automate tasks.
  • Teams seeking to create custom applications without code.
  • Organizations already using data tools like Airtable or Google Sheets.
  • Non-technical users who want to build apps without developer help.

Insomnia REST videos

3 Reasons to use Insomnia REST Client in your Exploratory API Testing

More videos:

  • Tutorial - Insomnia REST Client Tutorial

Stacker videos

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

Add video

Category Popularity

0-100% (relative to Insomnia REST and Stacker)
API Tools
100 100%
0% 0
No Code
0 0%
100% 100
Developer Tools
88 88%
12% 12
Productivity
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 Insomnia REST and Stacker

Insomnia REST Reviews

Top 20 Open Source & Cloud Free Postman Alternatives (2024 Updated)
Product Introduction: Insomnia is a powerful open-source API client designed for simplicity and efficiency and works great as a postman alternative. It supports REST, GraphQL, and gRPC, making it versatile for various API types.
Source: medium.com
Best Postman Alternatives To Consider in 2025
It is a free, open-source platform that boasts a user-friendly interface and robust features like environment and collection management, code snippets, and test automation. Compared to Postman, Insomnia offers a lighter footprint and a more customizable workspace.
Postman Alternatives for API Testing and Monitoring
Insomnia is a user-friendly tool for API development and testing. Insomnia allows creating and sending HTTP and REST requests, like GET, POST, PUT, DELETE, and more. Users can view API responses, including status codes, headers, and body. This enables understanding how the application handles different response scenarios, for efficient debugging.
Top 10 HTTP Client and Web Debugging Proxy Tools (2023)
Insomnia REST is the best alternative for Postman. It has more than 350 open-source plugins, plus GraphQL built-in with multiple protocol support. Since GraphQL is an added value, you can fully automate the entire lifecycle of APIs, build and debug them efficiently and with ease.
15 Best Postman Alternatives for Automated API Testing [2022 Updated]
Insomnia by Kong enables you to deliver high-quality APIs through collaboration. This postman alternative also includes testing suites, which allow you to create functional tests and centralize APIs. With this platform’s streamlined API client, sending GraphQL, REST, and SOAP requests are simple. Defining variables such as authentication credentials allows you to manage...
Source: testsigma.com

Stacker Reviews

The best no-code tools for sales teams
You can create an app in minutes. Thanks to Stacker’s handy template library, you can create your app in practically no time at all. Simply plug in your existing data sources and your app will be up and running in a few clicks. Of course, there’s also the option to build it from scratch.
Source: www.nocode.tech

Social recommendations and mentions

Based on our record, Insomnia REST seems to be a lot more popular than Stacker. While we know about 129 links to Insomnia REST, we've tracked only 7 mentions of Stacker. 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.

Insomnia REST mentions (129)

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Stacker mentions (7)

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What are some alternatives?

When comparing Insomnia REST and Stacker, you can also consider the following products

Postman - The Collaboration Platform for API Development

Retool - Build custom internal tools in minutes.

Hoppscotch - Open source API development ecosystem

ToolJet - Open-source alternative for Retool

RapidAPI for Mac - Paw is a REST client for Mac.

NoCode.tech - Free tools & resources for non-tech makers and entrepreneurs