When comparing AdBlocker Ultimate vs Ultimate.Hosts.Blacklist, the Slant community recommends AdBlocker Ultimate for most people. In the question“What are the best ad blockers?” AdBlocker Ultimate is ranked 6th while Ultimate.Hosts.Blacklist is ranked 10th.
Ranked in these QuestionsQuestion Ranking
Pro Avoids awful looping problems on Firefox one sees with Adblock Plus and uBlock
Pro Best Youtube ad blocking
Pro Completely free
Pro No acceptable ads
Unlike other adblockers, AdBlocker Ultimate doesn't have any whitelisted websites, ad networks or advertising agencies.
Pro Free and open source
Anyone can improve and audit the code.
Licensed with a gplv3 license.
Pro Supports most popular browsers
AdBlocker Ultimate works on Chrome, Mozilla Firefox, Opera, Internet Explorer, Safari and Yandex.Browser.
Pro System-wide blocking
Blocks your windows, unix, <whatever> not just one application.
Pro Fast & lightweight
It needs minimal system resources.
Pro Helper apps
It has apps that can be run automatically as a windows task or cron job to keep the list up-to-date.
Con Element hiding helper has occasional hiccups.
Con Memory hog that gets worse the longer it runs
Happened with 64-Bit Firefox 62.0.3 running on Desktop PC with 64-Bit Windows 10 Pro with 8GB of RAM.
Like any browser extension it slows down your browser.
Con Just a browser addon
It is just a browser addon so it will only work with the supported browsers and you have to install it for all browsers separately.