Not for Kickstarter backers. You guys are in this with us from the start, so you will get 2 years of free 10GB. But normally yes there will be a monthly cost for the premium level of our cloud capabilities including higher capacity storage.
Shonin Streamcam will *always* be recording to an internal SD card (an 8GB card is included). The cloud-recording capability is in addition to this and, when activated, it will record to *both* the internal SD card and the cloud. This way you will always have access to the full video even if there is bad reception.
The Wi-Fi model and LTE models are exactly the same in all respects, except that the cellular model can connect to the internet without using a phone, if you provide a SIM with a data plan and insert it into the device.