Smart Silent Time is a free Android app developed by AppSourceHub that can enable or disable your phone's silent mode automatically at specific times and days. This app is perfect for students who want to use it for class time, people with different religions who want to use it for prayer or namaz times, individuals who want to use it for daily sleep time, at work, while watching a movie, or during meetings.

The app includes a quick silent widget for easy setting of the silent timer and an exception option so that you will hear the ring from important callers. You can add the widget by long-pressing the home screen and selecting "Add Widget" and then "Smart Silent Time."

Smart Silent Time offers a user-friendly interface, weekly silent schedule options, and the ability to make the phone silent for a specific time duration. You can also customize notification, vibrate, andhour settings.