Ask questions about it and get more answers about that subject. Knowledge is beautiful. i asked a friend right now, he said this link has some good ones to look into. I know nothing about them, so do some research but here are a few to look into..
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0ahUKEwjj9djU0YLOAhVJcT4KHaUjAykQFghSMAE&url=http%3A%2F%2Fwww.tomsguide.com%2Fus%2Fpictures-story%2F662-best-mobile-password-managers.html&usg=AFQjCNGSiF9yiF0TSF7CmWkGG6tt5V2IUw&bvm=bv.127521224,d.dmo