The free mobile app is also well designed and easy to use.
Biologically, humans are programmed to find people attractive who would be a good genetic match in order to produce the strongest possible offspring, meaning that by studying DNA we may be able to unlock the rules of attraction.
While in recent years DNA research has been cost prohibitive, the price of sequencing DNA from a cell will fall from around £52m in 2003 to £650 by 2040.
This means you'll have to think a little bit about your own personality, how others perceive you and what you want in a mate.
Questions include whether you consider yourself productive and whether you're seen as stubborn.
We spent five days trying out 10 different online dating services to figure out which one is the most effective and affordable.