I'm doing something like that with the trial of my time-tracking app, Zone. (http://rinik.net/zone http://rinik.net/zone) The trial version creates this file:

I'm doing something like that with the trial of my time-tracking app, Zone. (http://rinik.net/zone http://rinik.net/zone) The trial version creates this file: NotTheFileThatStoresInformationAboutTrialDates.txt If you simply remove it, the trial is reset. I would rather spend the $5 then do it every month, so hopefully my users think in a similar way.