Android. It seems to be available on Google play ( https://play.google.com/store/apps/details?id=com.hsv.freeadblockerbrowser) now but I remember having to find the APK elsewhere when I first got it.

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I’ve been using freeadblocker browser after stumbling on it (with DDG as a search engine). Does it have anything to do with Google/chrome? I’m confused, because I’ve been using it for so long and it blocks all ads so I guess I don’t know why no one is using it unless it’s some Google stepchild I don’t know about and I’m still googled without knowing it.