Yes, in China. Blued is the gay dating app used here. It's a bit prudish and so as soon as you've found a money boy to your liking you go to Wechat to complete the deal.
Over the years, I chatted with a few Chinese money boys in Bangkok. They were on the usual Western apps. From vague memory, they spoke little or no English or Thai, and for various reasons we didn't get into business.