BIG Alarm is a free, simple alarm clock app designed for Android users. It is developed by BIG Launcher, the same team behind the award-winning BIG Launcher interface. This app is particularly useful for those who have problems with their vision, as it features a high contrast color scheme and large font that is easy to read.

The app is easy to use and control, with large buttons for changing the alarm. You can set a one-time alarm or recurring alarms for every day. The app does not include any other complicated features, making it simple and easy to use. Overall, BIG Alarm is a great choice for those who need a straightforward alarm clock app that is easy to read and control.