Alas, the developer offers no free trial, but a $15 investment is hardly a big risk--especially when you consider the overall math. At a bare minimum, paying for Personal Hotspot will run you $240 per year. This is $15 now, $30 next year. Any questions?

By the way, by using a utility like , it might be possible to share your laptop's newfound 3G connectivity with other devices--like, say, a tablet. I'll update the post if I'm able to get that working.