Metric history can be viewed by the following: 

iOS

How to view swings 

1. On the Analyze screen tap on Swings.
2. Select on different swing types (Swings Metrics, Swing Quality, and Ball Flight).
3. Select on swings grouped swings.
4. Tap on the individual swing.

Android

How to view swings 

1.  On the Progress screen select Day, Week, Month, or Year.
2.  Tap on swings.
3.  Tap on the swing of choice.