SimCard Checker is a free Android application developed by SMART CODES LIMITED, falling under the category of Utilities & Tools. It is designed to check for authorized sim-cards and send a notification in the form of SMS to the configured sim-card if an unauthorized sim-card is detected.

The application is straightforward and easy to use. Once installed, the user can configure a number to receive notifications in case of an unauthorized sim-card. The app then continuously monitors the sim-card status and alerts the user via SMS in case of any unauthorized activity. SimCard Checker provides an added layer of security, ensuring that unauthorized sim-cards do not go unnoticed.