Online food delivery platforms are rapidly changing the usual food retail business. They have become a very popular way of ordering food that is constantly evolving and has seen a big increase in the past couple of years, especially during the COVID-19 pandemic. Ordering food and other necessities become increasingly popular due to its convenience, speed, efficiency, mobility, safety and availability of food procurement at any time of the day. The crisis and the COVID-19 pandemic hit the world economy, whose consequences felt among almost all industries, which significantly affected the behavior of businesses and people who had to change their life habits overnight and adapt to the new situation. In response to the spread of the virus, many service businesses, including restaurants, have been forced to close their doors and/or adjust their business model. They started to offer their services primarily through mobile technology, ie applications through which orders are first executed, and then delivered to the user's address. This way of cooperation made it easier for the users to continue to have access to prepared food and enabled the restaurants to continue their business. The aim of this thesis is primarily to explore the satisfaction of users of online food delivery in the city of Zagreb. The research was conducted by the quantitative method, while in the satisfaction survey a survey questionnaire was used, which was distributed for the purpose of a suitable sample via Internet. The survey questionnaire was completed by 149 people whose feedback contributed to the understanding of user satisfaction with online food delivery platforms. Most respondents expressed satisfaction with the use of online food delivery platforms, their functionality, offers and benefits. However, given that this concept is relatively new in our area, it is important to continue improving online delivery platform functionalities and customer satisfaction in order to retain existing and attract new users of these services.