Firefox with uBlock Origin is complete protection on Android ?

Firefox with uBlock Origin beta on Android is that also block ads, spam, trackers system-wide?

Soul browser also with all AdGuard add filters. Kiwi browser with extensions also, but how these browsers safe? When these browsers are not safe, what is the point having AdGuard filters to soul browser and extensions to kiwi browser.

Please advise. Thanks.

android firefox origin privacy protection ublock