mình dùng cho Firefox trên macbook thấy rất ổn, hy vọng sẽ có phiên bản cho Firefox trên iOS :-)

Very good app blocker

This is brilliant. It reminds me of a line from Ice Cube's, It Was A Good Day, 'Had to stop, at a red light. Lookin' in my mirror, not a jacker in sight.' But in this case, '...not an ad in sight.'