A simple app that logs you into the captive WiFi automatically and can be run in background intelligently without draining your battery. It supports the latest Android 5.1.1 to Android 10
It has 10000 + paid downloads from Amazon and 15000+ from Google Play. AutoWiFi

A very frequent update you can tell from the last update is pretty close to today, it supports Android 5.x, lollipop.
have it's own way to detect the internet state other than generate_204

Whether you are connected to a compa