When comparing AdBlocker Ultimate vs Pi-hole, the Slant community recommends AdBlocker Ultimate for most people. In the question“What are the best ad blockers?” AdBlocker Ultimate is ranked 5th while Pi-hole is ranked 6th.
Ranked in these QuestionsQuestion Ranking
Pro Avoids awful looping problems on Firefox one sees with Adblock Plus and uBlock
Pro Supports most popular browsers
AdBlocker Ultimate works on Chrome, Mozilla Firefox, Opera, Internet Explorer, Safari and Yandex.Browser.
Pro Completely free
Pro Free and open source
Anyone can improve and audit the code.
Licensed with a gplv3 license.
Pro No acceptable ads
Unlike other adblockers, AdBlocker Ultimate doesn't have any whitelisted websites, ad networks or advertising agencies.
Pro Blocks ads for all network devices and browsers
No need to install blockers at the browser or OS level. Pi-hole works at the DNS (network) level so you only have to maintain and manage one authority.
Pro Low-cost deployment
Installs on a $35 Raspberry PI SBC. Open-source software (donations accepted).
Pro Frequent updates are easily applied
It takes one mouse-click to keep pi-hole updated and current with new blocked-site lists.
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.
Con Can inadvertantly block sites that are required for other web-based services
For example, using pi-hole for websites that rely on 3rd-party sites can be broken by pi-hole if the 3P site references black-listed sites.
Con Requires some advanced devOps skills
The tutorial and installation is pretty straight-forward but requires some technical chops to install. You should be comfortable with the Linux command line.