A free program for Android, by Jannis Kilian.

Basket is a simple and very effective app, focused on what you need to quickly create shopping lists that help you to do your shopping efficiently and not forget anything. It is designed for people who want to create lists quickly and effectively. You can specify the quantity and a unit for each item, and add a comment.

Basket automatically groups items by category and allows you to add multiple items to a list at once. This is very helpful when you want to create a list for a specific category, but also buy multiple items at the same time. It also has a very clear and easy-to-use design that allows you to see what you have already got and what you need to pick up next.

The application is very simple, focused, and easy to use. It is a very useful app for creating shopping lists.