As a practical matter, the exact list of companies is always going to be problematic and in this case doesn't seem to have clear guidance:
The lists of brands that should be boycotted, according to the website operators [cited by the app's creator], include world-famous companies such as Adidas, McDonald's, Chanel, Netflix and Apple, and also represent all kinds of industries, from food to cosmetics to streaming providers. Some companies are on the list because they jointly launched a campaign after October 7 in which they condemned Hamas' terrorist attack on Israel. According to the websites, other companies invest in Israeli start-ups, for example, or finance "the theft of Palestinian territory."
As a discussion of whether this type of action is antisemitic, it is worth reading this very good article.