PLEASE READ: Some Apple devices running iOS 15 are currently experiencing issues when trying to connect to WiFi networks. This can affect the ability of iPhones and other devices to connect to WiFiRanger WiFi broadcasts. The specific nature of the issues appear to vary from device to device, but they include difficulty in connecting to WiFi and poor WiFi performance. Here’s a link to a discussion of the problem on the Apple community thread: https://discussions.apple.com/thread/253168824?answerId=255963655022#255963655022 

We expect that Apple will soon issue firmware updates to address these problems.