4Timers is an intuitive iPhone multiple countdown timer app
*** ALERT ***
For iOS5 users, You need to enable 4Timers in your phone's Notification Center. Please go to the "Settings" app, then touch the third row, "Notifications". Scroll down to "4Timers" and set the alerts to your liking. See also http://lifehacker.com/5846375/how-to-configure-notification-center-in-ios-5
* 4 independent countdown...