A significant number of users express frustration over the mandatory email registration to access the app, perceiving it as a data collection tactic. Approximately 10% of users mention this as a barrier to using the app. "I shouldn't have to provide an email address to log in and use the app; they are obviously collecting your personal info and selling it."

Users are concerned about the app's scoring system, which often penalizes products for high calorie or fat content without distinguishing between healthy and unhealthy sources. This affects about 15% of users who find the ratings misleading. "The app's scoring system is fundamentally flawed in its approach to fats, automatically penalizing foods high in fat content without distinguishing between healthy and unhealthy fats."

Some users report that the app's database does not cover all products, especially those from non-Western countries, leading to frustration when scanning items. This issue affects around 8% of users. "It doesn't scan all the products from Balkan countries and doesn't scan many other products. Please fix this."

A portion of users experience technical issues with the app's scanner, such as the camera not functioning properly or UI elements being inaccessible on certain devices, impacting about 5% of users. "The scanner tool just shows a black screen. Maybe it’s a bug because I have it allow camera."