The TeakTrak app is great for tracking and assisting in making deliveries. It's easy to use and can do things like creating a map of your travels wherever you go or helping you follow a planned delivery route or prompting you with what needs to be delivered at each delivery location, all depending on what your needs are. It is used by people blanketing a neighborhood with door hangers, and by people delivering newspapers on delivery routes, and by couriers that deliver packages to people's hom...