Comment by devilbunny

They phrase it oddly, I think to try to get people to buy a controller, but you only need it for setup, and the free software controller works fine for that. You only really need a hardware controller for a business environment where you expect to manage multiple sites remotely (it can be done remotely but isn’t worth the $80 you save vs having a hardware controller on site). Once configured, the devices will keep on doing their thing after reboots. You will have to fire it up for upgrading devices, but that’s no different from running Unifi without a controller with only AP’s - there has to be a provisioning controller somewhere to get them to work as a true network with seamless handoffs and the like. Otherwise, running in standalone mode, they are just like running consumer AP’s individually.

I have a hardware controller, but I will probably end up putting it in my in-laws’ house because software is fine for where I live. I actually set the whole thing up via software controller and transferred the config when it was all set and I would only be making small changes.