rrents, it is compatible with UPnP / NAT-PMP, has RSS subscription with download filters, and many more things you will find that are integrated in developer's page.
qBittorrent is very easy to use and allows you to begin downloading within seconds of having installed it. Thus it is ideal for users with little knowledge of computer science.
And if that weren't enough, qBittorrent Portable allows you to enjoy the app from any mobile storage device, which is why you won't have to install anything on any device.