RankerX VS FCS Networker In Terms Of Linking Campaign

In Semantic Mastery’s weekly Hump Day Hangouts episode 284, one viewer asked if RankerX is better than FCS Networker in terms of linking campaign.

The exact question was:

3) RankerX vs FCS networker? which is better for the linking campaign? I understand that GSA is good for the 3rd tier and up and FCS is good for the 2nd tier. Where is RankerX come in to play?