The iPhone 5s launch has been another example of demand outpacing supply. Walking into an Apple store and leaving with the latest iPhone is easier said than done. Checking Apple's website to see if the device is in stock at multiple stores can be tedious. According to the latest estimates from Apple, ordering online means shipping will take place sometime in October, which could mean up to 28 days from now.
Now thanks to developer Mordy Tikotzky there's a handy tool named iPhone-Check that does all of the hard work for you. Simply enter a zip code along with the specific configuration you're looking for and voilà, the latest in-stock data from Apple's website is listed for the closest 20 Apple locations.