Synel Time and Attendance application available for Android and ISO (apple) smartphone.
Harmony time and attendance application has been create to offer a variety of actions and tools for employees that reporting attendance anywhere any time and  mangers that can follow and setup the employees attendance reporting using GPS location.
Managers may also use the time and attendance application for reports the attendance for group of employees or department when working outdoors.
This type of application is mostly in use for field workers moving between sites.
more about Harmony T&A Application