Tatsam is an Android application developed by Experts Choice. It is a free education and reference app that helps users learn hundreds of famous Hindi Tatsam and Tadbhav words with their meanings in Hindi Devanagari language. The app is designed for people who want to improve their Hindi vocabulary and learn the difference between Tatsam and Tadbhav words.

The app features a user-friendly interface that makes it easy to navigate. It contains a comprehensive list of Tatsam and Tadbhav words with their meanings, along with an audio feature that allows users to listen to the correct pronunciation of each word. The app also includes a search function that helps users find specific words quickly.