So the problems with the TTN is basically is a SaaS capitalist play. You buy a gateway, connect it to TTN then TTN sells access back to you and your community for your own hardware 馃ゴ
They do give a free tier and act open but your hardware and data is THEIR profit center. Lame.
It's got a lot of network coverage in the EU, but never really took off in the US.
In practice the network in the EU is viable, the one in the US isn't.