MORE: 25 Foods You’ve Probably Been Storing Wrong Your Whole Life But you can do your part to reduce that waste with FoodKeeper, a new mobile app developed by the USDA, Cornell University, and the Food Marketing Institute. The super-simple program gives you instructions on how long you can safely store more than 400 food items. That means you’ll know exactly how long each item will last in the fridge, freezer, or pantry—so you can use food up before it goes bad, reducing waste and saving yourself some cash. MORE: 9 Food Storage Secrets You Really Need To Know The coolest feature: FoodKeeper integrates fully with your phone’s calendar app. When you place a bottle of ketchup in the fridge, for example, find the entry for “ketchup” in the app, press the calendar icon at the top of your screen, and your phone will automatically give you reminders when the ketchup’s window of freshness and safety (6 months) is coming to an end. No more scouring for expiration dates or remembering when you purchased something—FoodKeeper has made the whole process seamless. You can download the app for Apple or Android devices.