It is the only speed test that I would use. Used to use it for my internet cable speed ( I am still using it on my personal computer), it is great that it is now available in my android. I use it to see my connections on wi fi. Use it to evaluate my 3g speed. Use it also to see my speed when I am using my tethering. My wife use it in her iPhone. I use it to compare speeds with my friends who are in other networks. It is a very convenient application. I use and open this application more than once a day. I use it before I open the android tethering.