Your link is primarily an advertisement site which has an incentive to lie and exaggerate the number of women in order to promote the sites. As someone who actually did online dating, this chick claiming - without sources - that these apps have over 50% women is just blatantly lying and ass pulling.

• Tinder has a gender imbalance, with 75% of users identifying as male.

• 72% users are male and only 28% female

• 85% of the UK’s dating app user base is male. On Tinder this figure is even higher, with roughly one female user for every nine male users.

Also a LOT of "female" accounts are actually just bots, scammers, and advertisement profiles, not genuine people looking to date. So once you eliminated those, the skew would be considerably worse.