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 / 12 months ago
This chrome extension with all of the breakpoints set up https://chrome.google.com/webstore/detail/responsive-viewer/inmopeiepgfljkpkidclfgbgbmfcennb. Source: over 1 year ago
Responsive Website Test - Test any website on desktop, mobile, and tablet
Anima App - Design, get feedback, convert to code, publish, iterate.
Responsinator - Designed to test responsive websites on different devices.
Timeline for Sketch - Create beautiful timeline animations in Sketch
Multi Screen Test - Test your site at different screen resolutions & devices.
Monday Hero - Convert design into mobile code 😎