A shopping list, simple, powerful: 
• Build lists quickly from the auto-suggestions shown as you type
• Save time by re-adding items from the list's built-in history
• Feel a confirming tap as you mark items done
• Shake your iPhone to remove items once you've marked them done
• Add quantities and notes to each item for easier shopping

In-app purchases: 
• Add unlimited lists on iCloud synced across your devices
• Share your lists with others using iCloud