Far from what you require, but OurGroceries is pretty flexible and could meet requirement 1 quite easily. I use it for my travelling checklist every time I go o

Far from what you require, but OurGroceries is pretty flexible and could meet requirement 1 quite easily. I use it for my travelling checklist every time I go on weekends away (as well as for shopping) https://www.ourgroceries.com/overview https://www.ourgroceries.com/overview