-
The DIGI 1ST P-110 DUAL STEP PEDOMETER was the first in its generation
-
The fitbit Flex was the first fitbit created. It was realesed May 2013.
-
The DIGI 1ST P-120 STEP PEDOMETER WITH ACTIVITY TIMER is the same as the 1st one except it has an activity timer.
-
The fitbit Charge came out after the Zip with many more qualities.https://www.fitbit.com/compare
-
The fitbit Zip is th one thst you put on your belt and tracks your steps.
-
The Charge HR has the same qualities as the Charge but has Calorie and heart rate monitor.
-
The Surge has all the BEST qualities.https://www.fitbit.com/compare
-
The DIGI 1ST P-150 DUAL STEP PEDOMETER has a better step counter than the first 2 but doesn't have an activity counter.
