The data from the dating apps really got me thinking, if transferred to the real life majority of men would stay single forever. The thing is that these dating apps really can't represent reality due to a whole number of differences. For instance number of active man is several times higher then the number of active women, sending a c/p message to a women, or swiping her doesn't cost anything and to top it off the developers of app are in control and they will use their algorithms to increase their earnings, which means keeping customers on the app paying for as long as possible, and if you actually match up two people and they end up in relationship you effectively lose two customers.

So I started researching to get some data in more realistic setting, I had found two studies of speed-dating, several other connected studies, and here are some of the conclusions.

People on average subjectively rate their attractiveness better then their objective rate.
Unattractive people rate themselves higher, attractive people rate themselves lower then their objective rate.

In speed-dating women rated men an average of 6 the distribution was distributed between 3.5 and 8.5 in a bell curve. Men rated women an average of 6.5 the distribution was distributed between 4 and 9.

Variations in ratings by person says that and I quote " Here too, one sees that there are very few people who are consistently rated as being above average or below average. ", One sees that with the exception of the ratees in columns 10 and 16, all ratees had at least one rater who perceived her attractiveness to be noticeably above average and at least one rater who perceived her attractiveness to be noticeably below average. 

Which means that unless you are a bellringer of Notre-Dame there are women out there which will consider you to be well above the average, and same goes for women because obviously people have preferences.

In speed-dating all men talked with all women for four minutes, and everybody chose who they would like to date. If 2 people matched they were setup for one date. Only about 17-19% of men and women did not find matches, median matches were 13%.
There is a gender gap in making requests, men made requests for median 44% vs. women for 37%

Most people are more selective about who they go out with for second date. The two most obvious factors in such a decision are how much they liked who they met and how likely they think they will get a "yes" from them. There is no point in asking a person for a second date no matter how much you like him or her when you feel there's no chance of getting a yes. People tend to say yes when their partners are more attractive than themselves regardless of gender.

This is a dilemma, because if you say yes to people who are more attractive than you are, they are more likely to say no because you are less attractive.

Here comes the fun part, people which are less attractive but were fun on the first date are more likely to get a YES for the second date then people who were more attractive but less fun.

People generally overestimate their attractiveness, with men overestimating a bit more then women. People which overestimated got the worst attractiveness rating from other gender, people which underestimated performed the best, and people which were realistic performed in between.

SOURCES: https://www.lesswrong.com/posts/X3jz5mriJeWi2uLdF/how-subjective-is-attractiveness

https://blogs.mathworks.com/loren/2017/01/31/speed-dating-experiment/#c1e59d9f-5b2e-4df9-b690-38244d79d705

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https://onlinelibrary.wiley.com/doi/full/10.1111/sjop.12631