Shouls i trust Mull over Firefox?and Why?

I was surfing through Privacytests website and i found Bromite is not doing good and Firefox is in the same situation but Brave and Mull are going great, And as i really just don’t like Brave i was thinking in choosing Mull over Firefox, But can i really trust them as i just know nothing about them???

Help me decide guys and thanks for your help