Ranked in these QuestionsQuestion Ranking
Pro Synchronizes across devices
Synchronization allows using multiple devices to create a list. It allows multiple people to work together on one list.
Pro Allows organizing items in custom categories
It's possible to create custom categories for all shopping list items. For example, you can put foods in one category and bathroom supplies in another so that when you're in the produce aisle you're only looking at the produce you need to buy and cleaning supplies aren't getting in the way.
Con Expensive pro version
The pro version costs $25.99.