Pavlok provide a kind of electronic watch for people to supervise their body condition. It can also help you get over some bad habits like smoking and biting nails for good by using beep, vibration and zap. It is able to work on both Android and iOS system perfectly. It can also be your morning alarm clock to wake you up. It also makes track of your sleeping habit to help you get better sleep. Additionally, the price is not as high as many customers thought it would be. They offer their products at a very friendly and acceptable price. You can also purchase Pavlok's products on Amazon.