The version of the Binance iOS app (V1.7.1) is already available since August 19, the return of the app to the AppStore is due to a long waiting period and complaints by users through the platform reddit, in a clarification by Changpeng Zhao the Binance executive director says that the app was not being maintained and the process of appearing in the AppStore was difficult due to the rules and procedures.
image source: https://9to5mac.com/2019/08/15/ios-13-beta-7/
Since May, users reported that the App was not available in the AppStore