You can configure a proxy on iPhone via the WI-Fi settings. But because of the iOS security settings , the proxy will work just for browsing (via chrome, safari etc) but it won’t work on the applications.
How to configure a proxy on iPhone
You can configure a proxy on iPhone via the WI-Fi settings. But because of the iOS security settings , the proxy will work just for browsing (via chrome, safari etc) but it won’t work on the applications.