Vasthu Sasthiram is a free Android app developed by Sastha Soft For Yours that provides users with a comprehensive guide to home design and decoration based on ancient Indian mathematical principles. With this app, users can learn about the basic principles of Vasthu Shastra, Vasthu Deva, and Manaiyadi Shastra.

The app features calculators to help users calculate the dimensions and proportions of their homes, including Ayadi Manai, Thalavai Manai, and Pasumai Veedu. Users can easily input the required values and the app will provide them with the results instantly. The app also provides tips and suggestions for home decoration based on Vasthu principles.

Overall, Vasthu Sasthiram is a useful app for anyone interested in designing and decorating their home according to Vasthu principles. It is easy to use and provides accurate calculations and helpful tips.