Okay, you've decided it's time to take your relationship to the next level and get down on one knee. But how do you make sure that the moment is special for your soon-to-be betrothed? Don't sweat it, there's are apps for that, namely Marry Me? Marriage Proposal Guide and Marriage Proposal Ideas. These apps can offer some unique ideas on how to propose to your love. Unfortunately, they guarantee your partner will say yes.