Swedish companies Karma and Subway have announced the commercialisation of a year - long pilot that provides customers access to surplus food via a smart refrigerator . Users will also receive reminder notifications to consume their fruit and vegetable products five days after they’ve bought them. Once food is stored , users can use the Karma app to unlock the smart fridge and store their food . The companies aim to roll out to 45 stores by the end of 2018 , with a trial period taking place at Stockholm 's central underground station .
Swedish companies Karma and Subway have announced the commercialisation of a year - long pilot that provides customers access to surplus food via a smart refrigerator . Once food is stored , users can use the Karma app to unlock the smart fridge and store their food . The companies aim to roll out to 45 stores by the end of 2018 , with a trial period taking place at Stockholm 's central underground station .