Kana mentioned that a lot of people just post photos of their cats, or, oddly, a rice cooker.
Download Zoosk (i OS, Android) Match was one of the original online matchmaking services, and bills itself as having made the most dates, relationships, and marriages.
It is definitely for a crowd that is more serious about finding a lasting partner.
To qualify, an app had to have more than 2,000 reviews across the App Store and the Google Play store.
Applause found that, in general, the most popular US dating apps trailed other apps in quality by 23 points (out of 100).
But even if more people are using online dating in Japan, they'll need to do better than a group photo or a picture of their cat to find love.
New research from the Pew Research Center shows that in the past two years, the percentage of US adults who had used a dating app tripled.
We have previously reviewed the major dating apps from both a woman's and man's perspective, but we were surprised which apps did the best in an analysis of user reviews.
In particular, Hinge, one of our favorites, did not fare well.
To add to that, a 2014 survey by the Japan Family Planning Association found that 49% of all respondents had not had sex in the past month, and 18% of men said they had no interest in sex at all.