Log in at app.remote.it
Go to "Account":
Click on "Choose new plan":
Choose one of two paid options: Professional or Business:
Professional is designed for small device quantities, typically 24 or fewer devices. If more than 24 devices are required, choose the Business plan. You may have up to 1500 devices.
Both plans are monthly subscriptions. You may cancel at anytime. remote.it accepts all popular credit cards and amounts are billed in USA currency.