BBC.CO.UK - Feb 12 - Looking at 50 of the world's biggest app markets, two names dominated in 2015: Badoo and Tinder (AppAnnie). Badoo is the top dating app in 21 countries. Tinder was the most downloaded app in 18 countries. The dominance of Tinder and Badoo does not extend to East Asia. In China, for example, Momo is #1. In Africa, people use social networks to meet partners.