[OBSOLETE] differences between "SmartThings Classic" (the V2 app) and “SmartThings (Samsung Connect)” (the V3 app)

[JDRoberts]

If you get the new V3 version of the hub, you will have to set it up using STSC, but after that you can use either app with it.

Samsung SmartThings Hub (2018) discussion (Model GP-U999SJVLGDA aka V3)

You’ll need to use the new SmartThings app to claim the hub but once claimed you can use the Classic app if you’d like.