An app to help you remember what to pack? That may seem unnecessary, but if you've ever arrived at your destination only to realize you forgot your underwear or socks, you'll realize just how handy TripList can be. This free iOS app lets you create a packing list and check off items as they're completed. Not sure what you need to pack? Check out TripList's catalog, where you'll find more than 250 items you might need to bring — everything from business cards to antacid. And TripList isn't just a packing list tool; it lets you create a list of common travel tasks, including booking a rental car and charging your phone's batteries. Upgrading to the $3 TripList Pro lets you add multiple users and integrates with the aforementioned TripIt app, if you're using that, too.
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