When comparing Prepros vs Live.js, the Slant community recommends Live.js for most people. In the question“What are the best cross-browser live-update / synchronization tools?” Live.js is ranked 6th while Prepros is ranked 7th. The most important reason people chose Live.js is:
Once the monitored .css file is saved, changes are implemented without reloading the whole page.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Synchronizes scrolls, clicks and form inputs
Pro Cross-platform
Available on Windows and Mac.
Pro CSS injection
Once the monitored .css file is saved, changes are implemented without reloading the whole page.
Pro Multiple browser support
Live.js has multiple browser support, it supports Chrome, Firefox, Opera, Safari and IE6+. Basically almost all the browsers that are currently in use.
Pro Easy setup
Setting up Live.js is extremely easy, the developer either adds the live.js script inside their page, or if they want to monitor only CSS changes, they can add the bookmark that is found on the Live.js homepage.
Cons
Con It's memory-intensive
It requires a lot of memory to run.
Con No cross-device support live or otherwise
Does not have support for multiple devices or multiple browsers for live reloading.