Maze originally borrowed inspiration from VerifyApp/Helio and UsbabilityHub (improved on the click test) now they are attempting to consolidate by taking what OptimalWorkshop does well and pulling it into their app.
UsabilityHub and Optimal have all been kicking around for over a decade. VerifyApp (now Helio) half that.
10+ years on and card sorting is an exciting new announcement?
No offense to the team at Maze as what they've created is super polished and should be celebrated...but I'm still waiting to see something fresh and original in this area. Instead of a race to unification aka copying old features from competitors in an effort to take clients why not take your core feature to the next level?