WinS Star Ranking Tool is an Android application developed by UNICEF India and categorized as Education & Reference. The app is free to download and use. Its primary purpose is to award schools that have taken significant steps towards fulfilling the mandate of the Swachh Vidyalaya Campaign.

The app is designed to be used by authorized school/district evaluators. They can log in to the app and enter their observations while inspecting the school. The app is a self-evaluation tool that helps schools and districts assess their cleanliness and sanitation practices. The app is easy to use and provides a simple interface for evaluators to enter their observations.