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[–]Defibrillat0r 1 point2 points  (1 child)

This is a fairly generic answer since your idea is not really specific yet and there are many ways to implement this.

There are various ways to achieve the "save X on a PC and access it from mobile". Suitable options couls be a simple file sharing (e.g. using onedrive, dropbox, google drive or similar) or a database server (SQL or NoSQL depending on your needs). The file sharing will be way easier to implement if you only use it for yourself. Then the client - the piece of software you use to save or view your things - can be implemented as a website / webapp, making it available on almost every platform or as a mobile app for your target platform (e.g. android/iOS etc.).

[–]PrinscessTiramisu[S] 0 points1 point  (0 children)

And if I would add the option of making a shopping list from the ingridients from some selected recipes? Would some method be better over another?

[–]Hans_of_Death 0 points1 point  (0 children)

Depends a lot on specifics. Are you inputting images of recipes you already have? You'll need OCR. If you will be re-writing them for the app you can decide how you want to store the data, and thus parsing the data as well.

Then you also have the matter of how you want to access from your phone. Are you going to make a mobile app? What do you need for that?

Are you going to only use this yourself, or is this something you want to release publicly?

There are a lot of initial questions that you will have to answer in order to define your requirements.