Sim Identity, developed by alyan hameed, is a free Android app that falls under the Business & Productivity category. It is an excellent tool for those who need to find information about a SIM card or CNIC number.

The app's interface is simple and easy to use. All you need to do is enter the SIM card number (excluding the country code and starting zero) and click on the search button. The app will provide you with information such as the name of the SIM card owner, the issue date, and the owner's address. If you have the CNIC number of the person, you can search for all the numbers registered under that CNIC number.

Overall, Sim Identity is a fantastic app for those who need to find information about SIM cards and CNIC numbers quickly. The app is accurate and provides relevant information. However, it is important to note that the app should only be used for legal purposes and not for any illegal activities.