What are some alternatives?
When comparing Sfen and Quick Config, you can also consider the following products
MacroDroid - MacroDroid - Automation for your Android Device
NetSetMan - Are you tired of changing your network configuration on your laptop every day?
Trigger - Trigger is a time tracking app that helps you work collaboratively, track, organise and invoice...
Net Profiles - With Net Profiles, mobile computing becomes a whole lot easier.
Automagic Premium - Automagic Premium is the magic wand to automate your Android device.
Free IP Switcher - Free IP Switcher Help