I just discovered a free app that is a smart shopping list manager for iPhone with a Christmas twist. It's called Santa's Bag. It gives you space to put down all your gift ideas, sorted by the person who’ll be receiving the gifts and including sections for you to keep track of spending. You can enter photos of each person in your list, and keep track of which gifts you’ve bought and which are left to buy. The interface is slick and easy to use, and the ability to view your data as a list of gifts or by recipient could relieve some pressure during your actual shopping. You can even set a pass code so prying eyes can’t see what gifts you have planned. The downside is that the app is ad-supported and the ads may annoy you. Plus, while the countdown to Christmas display in hours, minutes and seconds is cute, it could stress you out as the holiday nears. For $3 you can upgrade to ditch the ads and get extra features like Dropbox backups and the ability to archive gifts from past years.