No free trial period

I downloaded the app for the first time, yet it tells me the trial period is up before I've had a chance to try it. I don't really want to pay for this only to find it doesn't work, and there are plenty of other options out there...

cant install

i cant install it on my magic (hero rom) 1.5

requires rooted phone?

I get the following error when attemting to disable e.g. fring app:
error running ecec () Commands: [su, -c, .... etc
k