Other than Pleco, there are a few more recommended by an online user. I have not tried all of them, but if you are not satisfied with your current app, test these out! https://myhongkonghusband.com/2014/03/18/%E5%BB%A3%E6%9D%B1%E8%A9%B1%E6%95%99%E5%AD%B8apps-study-cantonese-with-apps-2/