A:AnswerNo costs at all! Yes, you can have unlimited guests using the app for access (you can choose app access or keypad access). You can also make another person an owner so that you can both program and share codes using the app.
A:AnswerIt is battery powered, and the app will tell you when it's time to replace the batteries. Takes about 15 seconds to take the lid off pull out the old ones and insert the new ones.
A:AnswerThe Wi-Fi model does not work with Ring Alarm. Look for a Z-Wave model. You can swap the Wi-Fi module with a Z-wave module, but it would be better to find a model with Z-wave instead.
A:AnswerFunctionally yes, they're the same apps just with different branding. Since I already had August door locks, I simply added this Yale lock to that existing account and app instead of starting over with the Yale app.