OP didn't explain it well (at least what's happening to me): I am a free user for non-commercial purposes and they're terminating me if I don't upgrade to paid

OP didn't explain it well (at least what's happening to me): I am a free user for non-commercial purposes and they're terminating me if I don't upgrade to paid plan. The free option appears but it's unavailable to select. I only use it to monitor the Uptime Kuma that monitors the rest of my homelab.