Software Alternatives, Accelerators & Startups

Postman VS PyUI Builder

Compare Postman VS PyUI Builder and see what are their differences

Postman logo Postman

The Collaboration Platform for API Development

PyUI Builder logo PyUI Builder

A GUI builder for Python GUI frameworks
  • Postman Landing page
    Landing page //
    2021-07-23
  • PyUI Builder PyUIBuilder window
    PyUIBuilder window //
    2025-04-26

PyUIBuilder is a framework agnostic GUI builder. It currently supports tkinter and customtk, it will soon support PySide and kivy. It will also generate clean code in python.

PyUI Builder

$ Details
freemium $29.0 / One-off
Platforms
-

Postman features and specs

  • User-Friendly Interface
    Postman features an intuitive and user-friendly interface that simplifies the process of constructing API requests and visualizing responses. This makes it accessible for both beginners and advanced users.
  • Collaboration
    Postman offers robust collaboration features, such as shared workspaces, collections, and real-time editing, enabling teams to work together more efficiently on API development.
  • Comprehensive Testing Tools
    Postman provides a suite of testing tools to create, automate, and manage test cases. It supports automated testing through its scripting environments, which ensure APIs perform as expected.
  • Extensive API Documentation
    Postman can automatically generate comprehensive API documentation, making it easier to maintain and share API specifications with stakeholders and other developers.
  • Mock Servers
    Postman allows users to create mock servers to simulate API responses. This is particularly useful for testing and development purposes when the actual API is not yet available.
  • Integration Capabilities
    Postman offers integrations with various CI/CD tools, version control systems, and other services like Jenkins, GitHub, and Slack, facilitating seamless integration into development workflows.

Possible disadvantages of Postman

  • Resource Intensive
    Postman can sometimes be resource-intensive, consuming substantial memory and CPU, which can impact the performance of your system, especially when dealing with large collections.
  • Steep Learning Curve for Advanced Features
    While Postman is generally user-friendly, some of its advanced features, like scripting and automation, can have a steep learning curve and might require additional effort to master.
  • Pricing
    Although Postman offers a free tier, many of its advanced features, such as enhanced collaboration tools and extended integrations, are locked behind paid plans, which may not be cost-effective for smaller teams or individual developers.
  • Dependency on Internet
    Some of Postman's features, particularly those related to collaboration and synchronization, require a stable internet connection, which can be a limitation in environments with poor connectivity.
  • Limited Native Support for Certain Protocols
    Postman primarily focuses on HTTP/HTTPS protocols and may offer limited or no native support for other protocols, which can be restricting for developers working with diverse sets of technologies.

PyUI Builder features and specs

No features have been listed yet.

Analysis of Postman

Overall verdict

  • Yes, Postman is widely regarded as a good tool for API development and testing. Its combination of powerful features and ease of use makes it a popular choice among developers.

Why this product is good

  • Postman is considered a top choice for API development due to its user-friendly interface, extensive features for testing, automation, and collaboration, and strong community support. It simplifies the process of creating, managing, and testing APIs, making it accessible for both beginners and experienced developers.

Recommended for

  • Developers working on API integration
  • QA engineers involved in testing APIs
  • Teams in need of collaborative API development
  • Developers looking to automate API testing
  • Individuals looking for a comprehensive API testing tool

Postman videos

POST/CON 2018 workshop in review: Running Postman Collections

More videos:

  • Review - POST/CON 2018 workshop in review: Postman Collections
  • Tutorial - How to Share Postman Collections

PyUI Builder videos

Python GUI Builder - PYUIBuilder

Category Popularity

0-100% (relative to Postman and PyUI Builder)
API Tools
100 100%
0% 0
Developer Tools
96 96%
4% 4
APIs
100 100%
0% 0
GUI Frameworks
0 0%
100% 100

Questions and Answers

As answered by people managing Postman and PyUI Builder.

Which are the primary technologies used for building your product?

PyUI Builder's answer:

React, JS and tailwindCSS along with a bit of Python

What makes your product unique?

PyUI Builder's answer:

It's the only Python GUI tool on the market that supports development across multiple frameworks, offers third-party plugin support, and works seamlessly in the browser.

Why should a person choose your product over its competitors?

PyUI Builder's answer:

A person should choose PyUI Builder because it's the only Python GUI tool that allows development across multiple frameworks, supports third-party plugins, and runs directly in the browser. This flexibility gives developers the freedom to work with their preferred technologies, extend functionality with plugins, and build interfaces from anywhere — something no other tool currently offers.

How would you describe your primary audience?

PyUI Builder's answer:

Primary audience are python developers, professionals and students who are using Python for data science, Ml and want a quick UI without the hassle of writing the code

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Postman and PyUI Builder

Postman Reviews

Top 20 Open Source & Cloud Free Postman Alternatives (2024 Updated)
As the digital landscape evolves, the significance of APIs (Application Programming Interfaces) has surged, facilitating seamless communication between various software applications. Postman has been a leading tool in this space, offering a comprehensive platform for API development, testing, and documentation. However, recent shifts in its pricing model and user experience...
Source: medium.com
Best Postman Alternatives To Consider in 2025
- Focus on specific needs: Does the tool excel at SOAP APIs or cater to microservices? - Resource usage: Does it handle complex projects without impacting system performance? - Script reusability: Does it allow for efficient code sharing across projects?3. Is Postman the best API tool?Not all-encompassing. While Postman is powerful, the "best" tool depends on your specific...
Postman Alternatives for API Testing and Monitoring
Some engineers turn to Postman for API testing and monitoring needs. However, Postman is a costly and limited solution. QA, DevOps and other engineers may find it lacks capabilities that can answer their needs. In this blog post, we provide 12 Postman alternatives built for the enterprise.
Beeceptor vs Postman
You cannot download request log. Although, you can use Postman APIs to query and retrieve.
Source: beeceptor.com
Top 15 MuleSoft Competitors and Alternatives
Postman is an API platform with the world’s largest public API hub that helps developers design, build, test, and iterate APIs. In 2022, Postman served over 20 million developers and 500,000 organizations.

PyUI Builder Reviews

We have no reviews of PyUI Builder yet.
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Social recommendations and mentions

Based on our record, Postman should be more popular than PyUI Builder. It has been mentiond 30 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.

Postman mentions (30)

  • Best API Mocking Platforms in 2024
    Postman (postman.com) is a comprehensive API platform that goes beyond mocking, offering a full suite for API development, testing, and monitoring. With its mock server feature, Postman enables teams to simulate responses for various endpoints, making it a popular choice for end-to-end API management. - Source: dev.to / 7 months ago
  • 10 Best API Mocking Tools (2024 Review)
    Postman is a widely used tool for API testing and interaction. Its "Mock Servers" feature lets you create a mock version of your API, returning specific responses for testing. While useful, Postman may lack advanced mock server management features compared to other tools. - Source: dev.to / 8 months ago
  • The 3 Best Tools for API Design for Software Architects
    Postman is a widely adopted tool for API design and development, offering an intuitive interface for creating, testing, and documenting APIs. It simplifies the API design process, allowing architects to quickly prototype and refine their designs. - Source: dev.to / 11 months ago
  • How to use ApyHub to Build a Serverless Function in NodeJs?
    Once deployed, thoroughly test your serverless function to confirm it behaves as expected. Invoke the function manually from the cloud platform’s console or use tools like Postman, Apidog, or Fusion ( Fusion is ApyHub’s own API Client ) to test HTTP-triggered functions. Ensure the function executes correctly and handles errors gracefully. - Source: dev.to / over 1 year ago
  • Mastering Microservices: A Hands-On Tutorial with Node.js, RabbitMQ, Nginx, and Docker
    To test the API endpoints, you can use Postman. Download and install Postman from Postman's official website. - Source: dev.to / over 1 year ago
View more

PyUI Builder mentions (4)

  • Python GUI full course — Learn GUI development in 15 mins
    That was it, now you can try out other widgets on PyUiBuilder and familiarize yourself with Tkinter. - Source: dev.to / about 1 month ago
  • Here's how to build a Canva like UI using Reactjs
    I am going to be talking about PyUiBuilder, a convenient drag and drop tool like Canva I am working on to help Python developers develop Python GUI's easily. - Source: dev.to / about 2 months ago
  • 10 Useful Tools and Libraries for Python Developers
    If you’re building desktop applications, PyUIBuilder is a lifesaver. Instead of writing tedious UI code by hand, PyUIBuilder gives you a drag-and-drop interface for designing GUI applications. It outputs clean python code so you can edit later on. Currently it supports tkinter and customtk. - Source: dev.to / 3 months ago
  • Create Tkinter GUI’s using Tkinter GUI Builder — PyUiBuilder
    If your starting out with tkinter, it can be overwhelming without prior understanding of GUIs. Whether you are trying to make a simple school project or are trying to create an internal application for your company, Tkinter GUI Builder will make this entire process easier. - Source: dev.to / 3 months ago

What are some alternatives?

When comparing Postman and PyUI Builder, you can also consider the following products

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.

Qt Creator - Qt Creator is a cross-platform C++, JavaScript and QML integrated development environment. It is the fastest, easiest and most fun experience a C++ developer could wish for.

MuleSoft Anypoint Platform - Anypoint Platform is a unified, highly productive, hybrid integration platform that creates an application network of apps, data and devices with API-led connectivity.

Tkinter - Tkinter is a Python wrapper for Tcl/Tk that offers classes to create various graphical user interfaces.

DreamFactory - DreamFactory is an API management platform used to generate, secure, document, and extend APIs.

Tkinter Designer - Tkinter Designer was created to speed up the GUI development process in Python.