> However, I'd very much like my washing machine or tumble dryer to notify me when they're done (with those appliances sitting in the basement of my house).
Every one I've used has an alarm that goes off when it's done, and a timer so you generally know when it should be done anyway. This isn't something you need an app or an internet connection for at all.
Eh, just set a timer on your phone that matches what the display on the machine shows. It may not be an exact match, but it will get the job done for free.
Every one I've used has an alarm that goes off when it's done, and a timer so you generally know when it should be done anyway. This isn't something you need an app or an internet connection for at all.