The device’s design causes another issue. In theory, each clip cable needs to be screwed in. I’ve heard others claim this is for security reasons, making the device harder to steal. But I don’t see how this could be true. It’s not hard to walk up and unscrew the camera from the cord and walk away with it. The camera attaches to the base using a magnet, and it connects to the power adapter using a cord that you simply push and twist to disconnect.
Two days later we had the Ring alarm and a Ring doorbell in hand. The whole setup took less than 20 minutes (including the doorbell). Plug in the parts, stick sensors to doors, use the app to walk through configuring them, and you're done. A few minutes later I had the professional monitoring set up. I spent a few minutes familiarizing myself with the features, adjusting alarm volume, adding user codes, etc. It was all just so seamless.
I’m not certain about Nest, but I asked abode about this before. They said, “We have what is called abode Signal Guard. Unlike other smash and grab solutions, the Signal Guard works whether your system is self-monitored or professionally monitored. The abode Signal Guard alarm acts just like a normal alarm where notifications are sent and the siren(s) go off until the alarm is disabled. If you are a professionally monitored customer, the monitoring center is notified of the abode Signal Guard event.”
Hats off to Ring for the smooth-as-silk installation process. This system was easier to set up than anything in my experience. Although there are no installation videos integrated into the app, as Ring provides with its other products, I didn’t miss them at all. The app takes you through each step with pictures and a brief explanation, just enough information so you don’t feel like you’re learning the system by rote. A printed instruction manual is also provided.
I can see why you’re confused because really any of these three options will do everything you want and more. Is it important to you that your security system and camera use the same app? If so, maybe eliminate abode from the list. You can use the outdoor Nest Camera with abode, but it isn’t a great experience. If you want an outdoor camera that can record continuously and not just based on motion, that would be Nest Cam. If you don’t mind if the camera only records events and as you said, want a system without “big monthly charges,” Ring is probably the best choice for you. They recently launched an indoor camera, you could then add a video doorbell (ideal) or one of their outdoor cameras to your porch. You will need five contact sensors in total. Ring Alarm will include a mobile app for you to review footage and you can expand the system down the road if needed. As it just launched and based on Ring’s history of product support, the chances that it will be outdated soon are very slim.
It was 20*F outside when I installed the cam. I didn't want to be running up and down a ladder if I had problems connecting to the network. I wired the cam up with a plug (from an old, grounded extension cord) and ran the wifi setup routine at my kitchen table. I verified everything was working (including the app, motion detection, etc.) before I installed it outside.