PROBLEM TO BE SOLVED: To provide an image processing system where an image input output device can confirm application information including license information and charging is billed in the unit of each application and each image input output device. SOLUTION: This invention provides an image processing system where an application information acquisition means configuring an application information server acquires application information provided by each of application servers on the basis of an inquiry from the image input output device and an application information management means being a component of the application information server transmits the application information to the image input output device.
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