According to BuzzFeed, Wolfe's lawyers aren't revealing the settlement sum:
"Whitney's lawsuit against Tinder has been resolved (without admission of wrongdoing)," John Mullan, a partner at Rudy, Exelrod, Zieff & Lowe, LLP, the firm representing Wolfe, said in an email to BuzzFeed. "She is proud of her role as a co-founder of Tinder and of the role she played in the app's success. She is now pleased to be able to focus her energy, talents, and ideas on exciting new opportunities."
We're reaching out to IAC and Tinder for more.