Software Alternatives, Accelerators & Startups

Responsive Viewer VS Webflow Flexbox UI Builder

Compare Responsive Viewer VS Webflow Flexbox UI Builder and see what are their differences

Responsive Viewer logo Responsive Viewer

View multiple screen dimensions in one view

Webflow Flexbox UI Builder logo Webflow Flexbox UI Builder

Build flexible, responsive layouts — without writing code
  • Responsive Viewer Landing page
    Landing page //
    2019-11-18
  • Webflow Flexbox UI Builder Landing page
    Landing page //
    2019-01-19

Responsive Viewer features and specs

  • Device Simulation
    Responsive Viewer allows users to simulate how their website looks on various device screen sizes, helping ensure a responsive design.
  • Multiple Viewports
    Users can view how their website appears on multiple devices simultaneously, making it easier to spot layout issues across different screens.
  • Custom Device Support
    The tool provides options to add and preview custom devices, offering flexibility for developers targeting specific screen resolutions.
  • Real-time Refresh
    Responsive Viewer offers real-time browser refresh, allowing developers to see changes instantly as they edit code.

Possible disadvantages of Responsive Viewer

  • Limited to Google Chrome
    Since it is a Chrome extension, it's only available for Google Chrome users, limiting its accessibility for those using other browsers.
  • Performance Overheads
    Rendering multiple viewports simultaneously can lead to increased CPU and memory usage, potentially slowing down performance.
  • No Offline Use
    Responsive Viewer requires an internet connection to function, which might be inconvenient for developers working offline.
  • Extension Conflicts
    There might be conflicts with other browser extensions, potentially causing unexpected behavior during its use.

Webflow Flexbox UI Builder features and specs

  • User-Friendly Interface
    Webflow's Flexbox UI Builder offers a visually intuitive way to manage CSS flexbox layouts, making it easier for designers to create complex responsive designs without writing code.
  • Real-Time Preview
    The builder provides real-time visual feedback, allowing users to see the changes as they manipulate the flexbox properties, greatly enhancing the design process efficiency.
  • Advanced Customization
    The tool provides flexible options for customizing layouts, enabling designers to create highly specific and unique designs that adhere to the responsive design requirements.
  • Time-Saving
    It significantly reduces the time needed to design flexbox layouts by eliminating the need to manually write and test flexbox code, which can be quite complex.
  • Educational Resources
    Webflow offers extensive educational resources and tutorials about using the Flexbox UI Builder, which helps users effectively understand and implement flexbox principles.

Possible disadvantages of Webflow Flexbox UI Builder

  • Steep Learning Curve
    For those completely new to flexbox or web design, there might be an initial learning curve to fully understand all of the features and capabilities of the builder.
  • Limited to Webflow Environment
    The tool is part of the Webflow ecosystem, meaning designers are tied to Webflow's platforms for both design and hosting, which may limit flexibility for those who prefer other environments.
  • Dependency on Internet
    Since it's an online tool, a stable internet connection is necessary, which can be a disadvantage in environments with unreliable connectivity.
  • Subscription Costs
    While Webflow offers a free tier, advanced features—including those related to flexbox—may require a subscription, potentially increasing costs for design teams or freelancers.
  • Mobile Responsiveness Adjustments
    Although the Flexbox allows for responsive design, complex layouts sometimes need additional tweaks in Webflow's designer to ensure that they work seamlessly across all devices.

Responsive Viewer videos

Test Web Page Responsiveness in Chrome using Responsive Viewer

Webflow Flexbox UI Builder videos

Flexbox layouts in 2020 (using HBO Max, pricing tables, tags, & card layouts) — Web design tutorial

Category Popularity

0-100% (relative to Responsive Viewer and Webflow Flexbox UI Builder)
Developer Tools
67 67%
33% 33
Design Tools
45 45%
55% 55
Browser Testing
100 100%
0% 0
Website Builder
0 0%
100% 100

User comments

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Social recommendations and mentions

Based on our record, Responsive Viewer seems to be more popular. It has been mentiond 2 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.

Responsive Viewer mentions (2)

  • Efficient Visual Layout Testing with Chrome DevTools
    Bonus! Useful Chrome extension for Responsiveness Testing. - Source: dev.to / almost 2 years ago
  • What are some of the practices you have to ensure that whatever you are building is responsive across all platforms?
    This chrome extension with all of the breakpoints set up https://chrome.google.com/webstore/detail/responsive-viewer/inmopeiepgfljkpkidclfgbgbmfcennb. Source: over 2 years ago

Webflow Flexbox UI Builder mentions (0)

We have not tracked any mentions of Webflow Flexbox UI Builder yet. Tracking of Webflow Flexbox UI Builder recommendations started around Mar 2021.

What are some alternatives?

When comparing Responsive Viewer and Webflow Flexbox UI Builder, you can also consider the following products

Multi Screen Test - Test your site at different screen resolutions & devices.

Webflow CMS - Build professional dynamic websites without any code

Pixefy.io - Save time identifying your websites responsive issues with our easy-to-use browser extension

Carrd - Simple, responsive one-page site creator.

Responsive View - Test your responsive design across different devices

SystemFlow - Designer-First Framework for Webflow