Pair, The Mobile App For Two, Buys UK's Cupple And Rebrands As Couple Feb 2nd 2013, 18:04 Couple app (old pair) Tenthbit, the Y Combinator-backed mobile app studio behind the couples app Pair, is doubling down (literally) on its business ambitions: The company today is announcing that it has bought Cupple, a UK-based rival mobile app for two people only, and, to mark the change, has rebranded itself as Couple. Financial terms of the deal were not disclosed. The acquisition is one of the app only. The two co-founders behind it, Tim Allison and Mark Hill, as well as their Newcastle-based app studio, Darling Dash, will remain independent, but not totally separate from Oleg Kostour and his team: “Tenthbit is looking forward to interacting with the Cupple team and learning from their experiences,” the two note in a statement. Cupple was “super bootstrapped,” Allison told TechCrunch in an interview today. Meanwhile, Tenthbit raised a seed round of $4.2 million in May 2012 from an il