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.
Bonus! Useful Chrome extension for Responsiveness Testing. - Source: dev.to / about 1 year ago
This chrome extension with all of the breakpoints set up https://chrome.google.com/webstore/detail/responsive-viewer/inmopeiepgfljkpkidclfgbgbmfcennb. Source: almost 2 years ago
Responsive View - Test your responsive design across different devices
Dark Reader - Reduce eye strain in your browser with this extension that provides a dark theme for browsing.
Multi Screen Test - Test your site at different screen resolutions & devices.
Night Eye - Night Eye is a browser extension that enables dark mode on any website you visit. It does not ruin your browsing experience by simply inverting images.
Responsinator - Designed to test responsive websites on different devices.
Dark Mode - A global dark theme for the web