Ever wondered why there is usually a surge of interest and sales in health-related products and apps around February. By now it’s probably obvious that it’s usually a guilt-induced urge brought about by months of binging on holiday treats. Of course, staying healthy is a year-round commitment and you don’t have to wait for next year to get started. Heck, you don’t even have to enroll in a gym. To help get the ball rolling, here are 8 apps, available on both Android and iOS that are not just meant to keep you healthy, they can be pretty fun too.