When comparing Prepros vs LiveReload, the Slant community recommends LiveReload for most people. In the question“What are the best cross-browser live-update / synchronization tools?” LiveReload is ranked 3rd while Prepros is ranked 7th. The most important reason people chose LiveReload is:
LiveReload supports LESS, SASS, Compass, Stylus, CoffeeScript, IcedCoffeeScript, Eco, SLIM, HAML and Jade out of the box. It instantly compiles them and puts the compiled files in the specified folder.
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Pros
Pro Synchronizes scrolls, clicks and form inputs
Pro Cross-platform
Available on Windows and Mac.
Pro Great bundled compilers
LiveReload supports LESS, SASS, Compass, Stylus, CoffeeScript, IcedCoffeeScript, Eco, SLIM, HAML and Jade out of the box. It instantly compiles them and puts the compiled files in the specified folder.
Pro Works with most modern browsers
LiveReload supports Safari, Chrome, Firefox, Mobile Safari and Opera with web sockets enabled.
Pro CSS injection
Once the monitored .css file is saved, changes are implemented without a refresh.
Cons
Con It's memory-intensive
It requires a lot of memory to run.
Con To use it, a code snippet or an extension to the browser needs to be added
To use LiveReload, a code snippet needs to be added inside the view, or an extension to be installed to the browser(s) of choice. While it's not too much work, it can be a hassle and a deal-breaker for some people.