Yes, each subscription goes with the free 14-day trial period at the beginning of the subscription where you're given service for free until the first bill is issued. You won't be charged until your trial ends and can cancel the subscription at any time.
You can do it either from your Account Settings (Account > Settings > Change Subscription > Want to cancel your subscription? Click here.) or using the special link provided in the order confirmation email.
FlexiHub is licensed according to concurrently connected devices. For example, you can install it on 100 machines but pay for a 10-connection subscription if you anticipate only 10 devices being connected at the same time.
Send invites to other FlexiHub users to connect to your USB or COM port device for free
This version doesn’t allow connecting to any remote devices