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: over 1 year ago
Responsive View - Test your responsive design across different devices
imgix - Real-time Image Processing. Resize, crop, and process images on the fly, simply by changing their URLs.
Multi Screen Test - Test your site at different screen resolutions & devices.
Cloudimage - Cloudimage.io is the easiest way to resize, store, and deliver your images to your customers through a rocket fast CDN.
Responsinator - Designed to test responsive websites on different devices.
Gumlet - Gumlet is an end-to-end video streaming and image delivery platform