Displays IPv4 public (internet) IP address using http GET request [asking a random website to report our IP address]
Displays private (local network/WiFi) IP address
using 'ip -f inet addr show wlan0' android debug bridge (adb) shell command.
If you are on a private network or behind wifi, there is no way to know your IP address without using a website.
Reviews and ratings can be submitted in the app.