startOS has been around for a while, umbrel is very new. I guess a fair comparison isn’t possible yet…

start9 embassy, there's no competition rly

24/7 communication service, competent af, OG bitcoiners, they got your back

a bit more pricey but can be circumvented w DIY on an old laptop

I have reliability issues with umbrel on a pi. Not sure if that is only me but it doesn’t stay up or crashes a lot