Sona Mobile is a free Android app developed by Sona Systems that allows participants and researchers to manage their research studies. This app is designed for those who use Sona Systems for participant management. With this app, participants can easily see available studies, sign up for a study, view their schedule, and join online research.

Moreover, researchers and Principal Investigators can view their study schedules, grant credit, add timeslots, contact participants, and more. However, it is important to note that some features like adding a new study are only supported in the web version and not in the mobile app.

To use Sona Mobile, users will need to know the URL of their Sona site. Overall, Sona Mobile is a powerful tool for research study management that simplifies the process for both participants and researchers.