If you want to track 1 device, Hoverwatch costs $24.95 a month. It is known as the Personal plan. If you want to track 5 devices, Hoverwatch will cost $49.95 a month. It is called the Professional plan. And if you go for the Business plan, it will allow you to track 25 devices and costs $149.95 per month. XNSPY, on the other hand, costs $7.5 a month if you buy the yearly subscription plan.