Key features of the Fastic app are a fasting timer, step counter and and water log, nutritionist-approved recipes, accountability features like the Fastic buddy system and educational content vetted by a board of experts. Fastic operates on a ‘subscription as a service’ (SaaS) business model. The app is available on both iOS and Android platforms; and has both a free and ‘Plus’ version. The Fastic app is available in over 160 countries and has grown a strong user base of more than 30 million people worldwide. 37% of users are English speaking, 55% of Plus users are between 35 and 54 years old and 61% of users are female. The strongest user bases are in the United States of America, Germany and Spain.