Are task management apps helpful, or do they just add one more thing to your to-do list? We spent a week testing apps for a variety of smartphones to find out.
Our top pick, this app lets you sort tasks by urgency, due date, or tag. You can send reminders to yourself via text or e-mail. Unlike the other programs we tested, the app also lets you send tasks and reminders from Twitter. The app also syncs with Google Calendar and Gmail.
COST: There is a free basic version for iPhones; the professional version for Android phones and iPhones is $25 a year.
This nuanced iPhone app lets you determine how often you want to receive reminders about tasks related to individual projects. You can also create subsets of tasks -- say, those related to designing a marketing brochure. The app syncs with iPads, iPhones, and Mac computers.
The interface on this BlackBerry app looks a bit dated, but the program is easy to use. You can drag-and-drop tasks among neatly organized cascading folders. You can also create and delegate tasks using your BlackBerry e-mail account.
COST: $4.99 a month or a one-time fee of $60