The Alarm system does not have as many bells and whistles as Nest’s system, nor does it have some of the conveniences Nest provides. But at $199 for the starter bundle, which includes the necessary hub, a keypad, a motion detector, a contact sensor for doors or windows, and a range extender, plus $10 per month for professional monitoring, Ring’s system is significantly cheaper than Nest Secure (which was just recently reduced to $399 for its starter kit) and is one of the least expensive home security systems you can purchase.
I own and use 4 Ring devices at my primary and secondary home. Until last night, I have been very pleased with the product. Last night, we had a heavy storm at our second home and the electricity was off for a period of time. My Nest devices automatically reconnected to my wifi as soon as the power was reestablished; not so with the Ring devices. Ring required my to physically be close to the devices with my iPhone in hand to reestablish the connection. This is a serious flaw for users like myself and one that Ring needs to correct if I am going to continue using their product. The electricity, and thus the wifi, at our mountain home loses power several times a year. I don't want to travel 700 miles just to reconnect a Ring device or two.