What it offers
Setting-up a list of activities in a pop-up menu.
Counter with an increment from +1 to +10 (default +1), -1 and chrono, manual reset with a safety lock/unlock button.
Automatic reset when the Tally is saved.
Saving the data with a Date and Time stamp.
Sharing (e-mail, blue tooth, etc.) and / or deleting :
 - All files at once; or
 - One file at a time
What it is used for
Attendance in a Gym, Conference or Reception Hall
 - Gym example 
    Cardio, Weight room, Spinning, Zumba, Yoga, Tai Chi, etc.
 - Reception Halls example 
   Diamond Hall, Saphir Hall, Pearl Hall, etc.
Inventory : Home or Business