Software Alternatives, Accelerators & Startups

Insomnia REST VS FlutterFlow

Compare Insomnia REST VS FlutterFlow and see what are their differences

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.

FlutterFlow logo FlutterFlow

FlutterFlow is an online low-code platform that empowers people to build native mobile apps visually.
  • Insomnia REST Landing page
    Landing page //
    2023-10-05
  • FlutterFlow Landing page
    Landing page //
    2023-05-09

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.

FlutterFlow features and specs

  • Ease of Use
    FlutterFlow allows for visual development with its drag-and-drop interface, making it easier for non-developers to design and create applications.
  • Quick Prototyping
    With its rapid design and live preview capabilities, FlutterFlow enables quick prototyping, allowing teams to iterate on their designs swiftly.
  • Full Flutter Code Export
    FlutterFlow provides full Flutter code export, giving developers the flexibility to modify the code further or integrate it into existing projects.
  • Integration with Firebase
    It has seamless integration with Firebase, which simplifies backend capabilities such as authentication, Firestore database, and other Firebase services.
  • Responsive Design
    The platform supports responsive design out of the box, ensuring that applications look good on various screen sizes and orientations.
  • Custom Code
    Developers can add custom Dart code to extend the functionality of their app beyond what the drag-and-drop components offer.

Possible disadvantages of FlutterFlow

  • Cost
    FlutterFlow is a subscription-based service, which can add an ongoing cost for users, especially those who might only need occasional development work.
  • Learning Curve
    While it's user-friendly, there can be a learning curve for users who are new to Flutter or similar visual development tools.
  • Limited Advanced Customization
    For highly customized or complex applications, the drag-and-drop interface might be limiting, requiring developers to manually augment the generated code.
  • Performance Concerns
    Applications built with visual development tools might suffer from performance issues compared to those hand-coded by experienced developers.
  • Dependency on Platform
    Relying on FlutterFlow means depending on its sustained support and updates. Any changes in its service offerings or terms could impact ongoing projects.
  • Exported Code Readability
    The exported code might not be as clean or readable as manually written code, potentially making future modifications more challenging for developers.

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

Insomnia REST videos

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

More videos:

  • Tutorial - Insomnia REST Client Tutorial

FlutterFlow videos

FlutterFlow Intro

More videos:

  • Review - Is FlutterFlow App Builder that good?
  • Review - What is FlutterFlow? | Reviewing FlutterFlow | Flutter App Develpment | Introduction to FlutterFlow
  • Review - Adalo vs FlutterFlow | No Code App Builder
  • Review - Review: FlutterFlow is a cloud-based low-code or no-code development environment for Flutter.
  • Review - FlutterFlow vs Bubble | No Code Tool Review

Category Popularity

0-100% (relative to Insomnia REST and FlutterFlow)
API Tools
100 100%
0% 0
No Code
0 0%
100% 100
Developer Tools
79 79%
21% 21
Application Builder
0 0%
100% 100

User comments

Share your experience with using Insomnia REST and FlutterFlow. For example, how are they different and which one is better?
Log in or Post with

Reviews

These are some of the external sources and on-site user reviews we've used to compare Insomnia REST and FlutterFlow

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

FlutterFlow Reviews

Exploring 15 Powerful Flutter Alternatives
FlutterFlow is a SaaS platform using Flutter for building iOS, Android, and web apps via a visual interface and workflows. FlutterFlow introduces an excellent collaborative dimension to app development. With its robust component library tuned specifically for mobile experiences, less technical team members can readily contribute ideas and prototypes. Product managers can...

Social recommendations and mentions

Based on our record, Insomnia REST should be more popular than FlutterFlow. It has been mentiond 129 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.

Insomnia REST mentions (129)

View more

FlutterFlow mentions (14)

  • The Best No-Code Android App Builders to Launch Your Mobile App in 2025
    FlutterFlow brings the power of Flutter's native performance to no-code development, offering a unique compromise between coding and no-code tools. - Source: dev.to / about 1 month ago
  • Getting Started With FlutterFlow
    1. Sign Up: Begin by visiting the FlutterFlow website and signing up for an account. The free tier provides access to essential features, while paid plans unlock more advanced options. 2. Create a New Project: Once logged in, click on "Create New Project." FlutterFlow offers a variety of templates to choose from, or you can start from scratch to build a fully customized app. 3. Design Your User Interface: The... - Source: dev.to / 10 months ago
  • Creating Intelligent Apps Made Easy: AI-Powered Development With FlutterFlow
    Created by former Google engineers Abel Mengistu and Alex Greaves, FlutterFlow is an online, browser-based app builder that allows users to create native cross-platform applications with no code. As a third-party visual app builder for the Flutter framework, it significantly accelerates the AI app development process. To know more, check out our previous blog: What is FlutterFlow: Top Features, Pros, Cons, and More. - Source: dev.to / 12 months ago
  • FlutterFlow (YC W21) Is Hiring
    We're looking for people who are passionate about ML and DevTools and can get behind our mission: to help the world build great products. FlutterFlow (https://flutterflow.io was built by someone on our team in a matter of days. If you find unreasonable excitement in: - learning/growing and becoming more productive. - Source: Hacker News / over 1 year ago
  • A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev
    Flutter Flow — Build your Flutter App UI without writing a single line of code. Also has a Firebase integration. The free plan includes full access to UI Builder and Free templates. - Source: dev.to / over 1 year ago
View more

What are some alternatives?

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

Postman - The Collaboration Platform for API Development

Bubble.io - Building tech is slow and expensive. Bubble is the most powerful no-code platform for creating digital products.

Hoppscotch - Open source API development ecosystem

Adalo - Build apps for every platform, without code ✨

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

Glide - Send lightning fast video messages, see responses live or whenever it's convenient. Get closer to the ones you love with video communication.