The first rule of Zombieland; cardio.
HIIT, high intensity interval timer, is a no frills timer for interval training routines, or anything you may need an interval timer for really. You may specify a number of seconds for each active period, a number of seconds for each rest period and, optionally, a number of seconds before the end of each rest period to warn of the upcoming active period giving you time to prepare.
HIIT Features:
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No ads
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No trackers
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No permissions
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Ultra simple user interface
