Heeelp!! Mirena or Kyleena reviews??

I know every body is different & no reactions will be the same but I just want to know some pros & cons. I’ve looked into both & think one of these will be best for me because I have taken the pill before & just doesn’t work out because I’m forgetful. I don’t want the shot, I’ve heard awful things about that. So, any reviews on these would be great!