प्राइमरी का मास्टर (PRIMARY KA MASTER) is an Android app developed by Praveen Trivedi for teachers and primary education in India, particularly in Uttar Pradesh Basic Education. This app aims to keep new teachers updated on the latest developments in primary education. It is a combination of updates from different websites, including primarykamaster.com, primarykamaster.in, shasnadesh.com, and sewayojan.com.

The app provides teachers with access to a wide range of resources, including magazines and newspapers related to education and reference. With the app, teachers can stay updated on the latest teaching methods, policies, and practices. The app is available for free and can be downloaded from the Google Play Store.