I have this exact dishwasher. To connect the app to it you have to go through a cloud account, but to its credit, you can turn the cloud connection off afterward and the app will then only talk to it through local wifi. The dishwasher answers on SSH port 22. I suspect that the app's direct connection uses this and exchanges credentials via the initial cloud setup (so no cloud, no app connection either way). I've foun…
I'm very happy with the app. If you didn't already fetch electricity prices, it can display them in the app and automatically delay washing until it's cheapest. The dishwasher can also be extended by downloading additional wash programs.
It seems to be well thought out. LGs app in comparison is absolute pants and has no option for local connectivity.