GST Number Checker is a free Android application developed by Maharshi Wep Developers. As the name suggests, the app is designed to help businesses and individuals check the GST (Goods & Service Tax) number of any taxpayer in India. It allows users to search for GST numbers by PAN (Permanent Account Number) and verify the GST number with the party name, address, and legal name of the business.

This app is a useful tool for businesses to verify the GST number of their suppliers or customers. Moreover, it is an easy-to-use app that provides the latest details about the taxpayer's GST number. The app is available for free and can be downloaded from the Google Play Store. However, users must agree to the privacy policies mentioned in the app before installing it.

Overall, GST Number Checker is a simple yet effective app that can help businesses and individuals verify GSTIN with ease.