Chalk up another winner for Apple. The company says pre-orders of its iPhone 4S have topped one million in a single day, surpassing the previous single day pre-order record of 600,000 held by the iPhone 4.

“We are blown away with the incredible customer response to iPhone 4S,” says Philip Schiller, Apple’s senior vice president of Worldwide Product Marketing. “The first day pre-orders for iPhone 4S have been the most for any new product that Apple has ever launched and we are thrilled that customers love iPhone 4S as much as we do.”

The iPhone 4S will be available at all 245 Apple retail stores in the US beginning at 8 a.m. local time on Friday, Oct.14. Every customer who buys an iPhone 4S at an Apple retail store will be offered free Personal Setup service, helping them customize their iPhone 4S by setting up email, showing them new apps from the Apple App Store and more.

The iPhone 4S comes in either black or white and will be available in the US for a suggested retail price of $199 for the 16GB model, $299 for the 32GB model and $399 for the new 64GB model. It will be available from the Apple Online Store, Apple’s retail stores and through AT&T, Sprint, Verizon Wireless, and select Best Buy, Target and Walmart stores and select Apple Authorized Resellers.

The iPhone 4S will roll out worldwide to 22 more countries by the end of October including Austria, Belgium, Czech Republic, Denmark, Estonia, Finland, Hungary, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Mexico, Netherlands, Norway, Singapore, Slovakia, Slovenia, Spain, Sweden and Switzerland.