VOO = VTI
For all practical purposes the ETFs are identical in performance. Even if the number of stock between the two differ considerably , if you add up the market cap the 500 stocks in VOO, these 500 pretty much drive the performance of VTI too.
There are hundreds of other money mistakes you can do to make of break your future finances. Deciding between these two should be nowhere on your worry list.
Go enjoy March madness! Don’t sweat.