Is there a difference between an HDMI splitter and HDMI switch?

Whether you need an HDMI splitter or an HDMI switch depends on if you want to connect your device to multiple TVs, or ...
Ars Technica

OTA TV Splitter help

This may not matter since I do not have cable TV, but I thought I ask just in case. I have a Antronix 3 way splitter. It has 2 outputs for -7db and 1 for -3db. 2 outputs will run to TVs and the third ...