What are some alternatives?
When comparing Grandstand and Swish, you can also consider the following products
Sporfie - Capture personal sports highlights without filming.
Hammerspoon - This is a tool for powerful automation of OS X.
Starters - Hacker news for sports tech
SizeUp - SizeUp allows you to quickly resize and position your windows with keyboard shortcuts or a handy menu bar icon. Arranging windows on Mac OS X is tedious and imprecise.
Twitch Prime - NFL on Twitch. First time ever. A new way to watch TV.
Moom - Move your mouse over the green zoom button in any window, and Moom's mouse control overlay will appear (as seen in the above animation).