The table below provides a comparison of devices used to directly assess force produced during movements such as a vertical jump.
You can scroll left-right (for desktop/tablet) or top/down (for mobile) inside the table to see all products available, and use the search bar to focus the comparison on one technical aspect. 
There are currently 9 products in this table, from the following companies: BTS, Contemplas, Vald Performance, Hawkin Dynamics, Innervations, and Kistler