What makes a person want to whip out their credit card and buy your software?
Hint: It’s not being nagged about how many days they have left in their trial every time they run your program.
It seems logical to nag the user. Remind her that the trial is “time-limited, so act now!” like a fast-food commercial. Remind her that she’s using your software for free, and doesn’t she feel guilty about that?
Sales people say “Pressure until they pay“, which for software trials means you should ask for money or at least guilt the user into paying. But you and I don’t like used-car sales techniques, and neither do your potential customers. […]