Sai One App is an official app from Sri Sathya Sai Seva Organisation, India. It is a social and communication app that is available for Android 9.0 and higher. This app is available for free and is developed by SSSSO IT Wing.

The app provides a platform for the members of the Sri Sathya Sai Seva Organisation to connect and communicate with each other. It allows users to stay updated on the latest news and events related to the organisation. The app also provides various features such as live streaming of events, online donation, and discussion forums. The user interface is simple and easy to navigate, making it accessible to all members of the organisation.