US Patent 11997175 Program, method, and system for managing use of application

A system obtains a use condition for restricting use of an application in a first client device of a first user. The system obtains a use status of the application in the first client device. Responsive to the use status not satisfying the use condition, the system sends a notification to a second client device of a second user different from the first user, and/or restricts the use of the application in the first client device.