WeChat has had an average of 19 million daily active users in the United States, analytics firms Apptopia said in early August. It is popular among Chinese students, Americans living in China and some Americans who have personal or business relationships in China. https://www.reuters.com/article/usa-wechat/us-judge-halts-trump-administrations-order-to-remove-wechat-from-app-stores-idUSKCN26B0IU