SMS at once

Mark all SMS as read at once!

'SMS at once' enable you to mark all SMS as read at once by clicking button or swiping SMS. Also you can remove by just clicking SMS.

From Android Kitkat, the application need to be 'Default SMS app" to modify and delete the SMS. You can change default SMS app by clicking the swap button.

Before you quit this app, you have to change default SMS app again to original SMS app. This app request it to you when you leave application.