Yearly billing will automatically begin at $599/yr at the end of the 7-day trial period unless the subscription is cancelled. You may cancel at any time by contacting us; or if you used a PayPal account during checkout you may also cancel from the Autopay page in your PayPal account. Chartmap transactions appear under the name Trader Tech, LLC. Service will stop immediately upon cancellation. Chartmap™ may be simultaneously activated on up to two devices per subscription.