WALL STREET JOURNAL - Feb 15 - Dating apps such as Tinder, Bumble and Hinge recorded a surge in users and time spent online last year. Overall, eight of the largest dating apps in the U.S. saw a 12.6% YOY increase in monthly active users in the final quarter of 2020, the biggest such jump in nearly two years, according to data tracker Apptopia. Match Group registered big gains in its Hinge app. In all, downloads of the eight apps increased 7.4% YOY in the Q4; in comparison, downloads in the Q4 of 2019 decreased 8.5% YOY. Meanwhile, time spent on the apps rose 13.4% in the Q4, up from 4.1% in the prior year.