Ihave never really made New Year’s resolutions, until this year. I have tried in the past, but with my scatterbrain, by mid-January I’ve forgotten my goals.

This year it’s different. I’m using some apps to help me stick to my resolutions. We’ll see whether the best 21st-century motivational companion is the smartphone or the tablet. If you want to try the experiment, too, here’s where to start.