Plank is a very popular workout to get fit at home on it's own, but have you tried doing plank combos? This Plank Timer is the best home workout you can find. You don't have much time, but you still want to look fit? In only five minute plank a day you will be able to improve strength of your core muscles! This plank workout timer is awesome if you don't want to bother memorizing the order of the steps in exercises, and you want to see how much time is left in total or till the end of curren