Software Alternatives, Accelerators & Startups

Requestly VS HeavyM

Compare Requestly VS HeavyM and see what are their differences

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Requestly logo Requestly

A Powerfulย API Mockingย andย Testingย Tool

HeavyM logo HeavyM

Simple video mapping software with a huge library of effects.
  • Requestly Requestly
    Requestly //
    2025-02-12
  • Requestly Rest Client
    Rest Client //
    2025-02-12
  • Requestly HTTP Interceptor
    HTTP Interceptor //
    2025-02-12
  • Requestly API Mocking
    API Mocking //
    2025-02-12
  • Requestly Requestly
    Requestly //
    2025-02-12

Requestly is a modern and powerful companion for API Development and Testing. It is an open-source tool purpose-built to speed up and simplify API development workflow for developers and QAs. It is a combination of API Client and HTTP Interceptor that helps create and share API Contracts, testing APIs, and easily mock and integrate them into web and mobile apps.

  • HeavyM Landing page
    Landing page //
    2023-09-23

Requestly

$ Details
freemium
Platforms
Google Chrome Firefox Edge Safari Brave Opera Vivaldi Android Windows Linux Mac OSX MacOS
Release Date
2021 January
Startup details
Country
United States
State
California
Founder(s)
Sachin Jain, Sagar Soni, Sahil Gupta
Employees
20 - 49

Requestly features and specs

  • Redirect URL
  • Block Network Requests
  • Modify Request & Response Header
  • Modify Response
  • Supercharge Selenium
  • Session Replay
  • Modify Query Params
  • Team Workspace
  • API Client
  • API Mocks
  • GraphQL Support
  • Zero Setup
  • Auto Capture Sessions
  • Network Logs
  • Console Logs

HeavyM features and specs

  • User-Friendly Interface
    HeavyM offers an intuitive and easy-to-navigate interface, allowing users of all skill levels to create impressive visual projections without a steep learning curve.
  • Real-Time Projection Mapping
    The software provides real-time projection mapping capabilities, enabling users to see instant results and make adjustments on the fly for live events and performances.
  • Wide Range of Effects
    HeavyM includes a diverse collection of built-in effects and animations, allowing users to enhance their projections with creative visuals easily.
  • Compatibility with Multiple Projectors
    The software supports multiple projectors, making it suitable for complex setups requiring seamless integration and coordination between different projection sources.
  • Regular Updates and Support
    HeavyM is frequently updated with new features and improvements, and the development team provides reliable customer support for troubleshooting and guidance.

Possible disadvantages of HeavyM

  • Limited Advanced Features
    While suitable for basic and intermediate projection mapping, HeavyM may lack some advanced features available in more professional software, which could be a limitation for experienced users seeking complex functionalities.
  • Performance on Older Hardware
    The software may experience performance issues on older or less powerful hardware, potentially limiting its usability for users without up-to-date computer systems.
  • Cost Considerations
    For individual artists or smaller organizations, the cost of HeavyM may be a concern, particularly if they require additional licenses or features available only in higher-tier packages.
  • Learning Curve for Advanced Use
    Despite its user-friendly design, mastering more advanced projection mapping techniques using HeavyM might still require a learning curve, which could be a barrier for some users.
  • Limited Export Options
    Export options in HeavyM might be limited compared to other software, which could be a drawback for users needing specific formats or integrations with other tools and workflows.

Analysis of Requestly

Overall verdict

  • Requestly is generally regarded as a good tool due to its comprehensive functionalities and ease of use. Its ability to seamlessly manage network requests makes it suitable for both beginners and experienced developers.

Why this product is good

  • Requestly is widely considered a valuable tool because it offers robust and flexible features for intercepting and modifying network requests. Developers and QA testers appreciate it for its ability to simulate and debug API calls efficiently. It is particularly useful for testing changes without altering the codebase and for working with web applications in development and production environments.

Recommended for

  • Developers looking to debug and test API endpoints.
  • Quality Assurance (QA) teams that require reliable testing tools for web applications.
  • Technical professionals who manage network traffic and need to modify or redirect requests effortlessly.
  • Anyone involved in web development who needs to simulate network conditions or test application behavior under different scenarios.

Analysis of HeavyM

Overall verdict

  • Overall, HeavyM is a strong option for anyone interested in projection mapping. Its ease of use and versatile features make it a reliable tool for both beginners and experienced users.

Why this product is good

  • HeavyM is widely regarded as a good software for its user-friendly interface, comprehensive features for projection mapping, and real-time video effects. It allows users to easily create stunning visual displays, making it a popular choice among artists and designers. The software supports a variety of media formats and offers a vibrant community with tutorials and customer support.

Recommended for

  • Artists
  • Designers
  • Event producers
  • Musicians
  • Projections enthusiasts
  • Creative professionals looking to enhance their visual displays

Requestly videos

Get Started with Requestly

More videos:

  • Demo - Session Replays by Requestly
  • Tutorial - Modify API Response using Requestly Chrome Extension
  • Tutorial - How to load local JS file in production sites for faster debugging (Map Local Tool)
  • Tutorial - Report Quality Bugs with Video, Network logs, Console logs & Environment details

HeavyM videos

HeavyM Review

More videos:

  • Review - COMPLETE REVIEW HeavyM 1.7 - new features and tips!
  • Review - HeavyM Review.

Category Popularity

0-100% (relative to Requestly and HeavyM)
Developer Tools
100 100%
0% 0
3D
0 0%
100% 100
Testing
100 100%
0% 0
Audio & Music
0 0%
100% 100

Questions & Answers

As answered by people managing Requestly and HeavyM.

Who are some of the biggest customers of your product?

Requestly's answer

  • Verizon
  • AT&T
  • Adobe
  • Salesforce
  • Telegraph
  • Intuit
  • Verizon

How would you describe the primary audience of your product?

Requestly's answer

Front-end developers, QAs, PMs, Digital Marketers

What makes your product unique?

Requestly's answer

Requestly is an open-source API development and testing tool that combines the capabilities of an API Client and HTTP Interceptor, making it a better alternative to Postman + Charles Proxy. It simplifies API mocking, request modification, and debugging with an intuitive no-code interface, enabling developers and QAs to test APIs efficiently.

User comments

Share your experience with using Requestly and HeavyM. For example, how are they different and which one is better?
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Reviews

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

Requestly Reviews

Comparing Charles Proxy, Fiddler, Wireshark, and Requestly
On the pricing front, Requestly strikes a balance between affordability and functionality. It is an open-source tool, offering freemium to individual developers and affordable pricing plans for team collaboration. We have also clearly differentiated how Requestly differs from Wireshark and other web debugging tools like Proxyman, Modheader, and HTTP ToolKit separately.
Source: dev.to

HeavyM Reviews

7 Best Projection Mapping Software 2024 (#1 Video Mapper)
Other options include Resolume Arena, which excels in live performances and offers an ultra-fast video player for real-time video mixing. Resolume Avenue, a sister program to Arena, also provides a reliable visual programming environment with an audio processing engine. HeavyM, on the other hand, is suitable for beginners and small-scale events, offering an online library of...
Exploring the top 10 World of LCD Projector Mapping Softwares
HeavyM is another popular choice for professional projection mapping. With a range of customizable effects, this software allows users to dynamically transform static objects into dynamic canvases. Its user-friendly interface and pre-loaded content library make it an ideal choice for beginners and experts alike.
Top 7 Alternatives to MadMapper โ€“ Amplify Your Projection Mapping Projects!
HeavyM is a projection mapping software specifically designed for creating captivating visuals and light shows. It offers a user-friendly interface and a wide range of effects and filters to enhance your projection mapping projects. With its real-time editing capabilities, HeavyM allows for quick adjustments and iterations.
Source: www.uubyte.com
5+ best video mapping software for PC
HeavyM has a large library of visual effects that allow you to apply pretty much any type of idea to your projection mapping project.

Social recommendations and mentions

Based on our record, Requestly seems to be more popular. It has been mentiond 35 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.

Requestly mentions (35)

  • Why You Need a Local-First API Client (With Hands-On Example)
    If you want to try a local-first workflow, you can start using Requestly here: https://requestly.com. - Source: dev.to / 9 months ago
  • How to use Cursor to Generate API Testcases in Requestly
    Thatโ€™s where automation changes the game. By pairing Cursor, an AI-powered coding assistant, with Requestly's local-first API testing and mocking platform, you can offload the grunt work of writing tests to AI while keeping execution secure and reproducible on your own system. In this article, weโ€™ll walk through how to set up Cursor with Requestly, generate test cases automatically, and run them end-to-end so that... - Source: dev.to / 9 months ago
  • These 20 Awesome API Clients Will Change How You Work with APIs
    Requestly is a versatile browser extension and web client used to intercept, mock, and debug APIs in real-timeโ€”perfect for frontend developers. - Source: dev.to / about 1 year ago
  • Best Tools for GraphQL Development in 2025
    Requestly is a powerful tool for modifying GraphQL responses, intercepting requests, and debugging API interactions. It allows developers to tweak request bodies, capture GraphQL traffic, and share sessions for easier debugging and collaboration. - Source: dev.to / over 1 year ago
  • How Not to Use AI in Software Development
    Learn more at https://requestly.com/. - Source: dev.to / over 1 year ago
View more

HeavyM mentions (0)

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

What are some alternatives?

When comparing Requestly and HeavyM, you can also consider the following products

Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.

MadMapper - The Mapping Software

Postman - The Collaboration Platform for API Development

Resolume - Resolume is an application for live video performances.

Hoppscotch - Open source API development ecosystem

QLab - QLab, Live show control for Mac OS X.