English is the only fully supported language in CookBook.
The app will not function fully in any language other than English, however we do have many users who have found that it can work quite well despite this. Unfortunately we cannot guarantee that all features will work if you are adding recipes that are not in English (such as the importer, shopping list, etc.).
Translating the actual words within the app is a small part of the task, the main complication is the functionality running behind the app, for instance; named measures converting, scaling, categorisation of aisles in the shopping list etc. are all created with big machine learning and AI data models. This all gets a lot more complicated with reading and detecting in different languages.
If we decide to translate the app in future, we will reach out to all of our awesome users as many of you have already emailed offering to help us with this ❤️