The Love Tester is a free love calculator app for Android that calculates the probability of a successful relationship between two people. The result is based on an ancient numerical algorithm that calculates the compatibility of two people based on their names and the phases of the Moon. This algorithm has been used for thousands of years in different cultures around the world to determine the compatibility of people.

In recent years, this algorithm has been used to calculate the compatibility of two people who are in a relationship. The results are used to help them get to know each other better and to help them decide if they are really compatible.