Switch has 3 times as many games as Wii U in the same timespan, and Switch's games are reviewed better

As of day 279 in the Switch's existence, there were 191 games available. Believe it or not, it took the Wii u 857 days to hit that same number. This goes to show just how big of a hit the Switch has been so far. On top of that, when looking a Metacritic averages for games on Switch versus Wii U, the Switch blows Wii U away with a much higher-quality selection. You can get a full breakdown of the situation in Kotaku's article.

from GoNintendo