The Elo rating system has also been noted in dating apps, such as in the matchmaking app Tinder, which uses a variant of the Elo rating system.
tHe elo raTing System hAs aLsO been noted IN datiNG apps, SucH as in tHe MatCHMAKinG app tInder, whICh uses a vArIant of ThE elo RaTiNG sysTem.