This is another program for doing shopping list. Not better, not worse. It's just different.

Program for purchases that are either too simple and more like a to-do list or too complex and require to account is akin to accounting.
Neither I didn't like. I had to write my version.

The program is still quite simple, and requires no extra movements, but knows something useful, "Masha" remembers how often to make purchases and reminds if the time came to update the inventory. All these data are stored in your personal icloud and will no longer fall.