Currently Spyzie monitoring service is authorized on account basis. You may monitor one device with one account. So if you would like to customize your monitoring solution like monitoring dozens or hundreds of devices at the same time, please send us inquiries to customize a monitoring solution.
If you are a business owner, and would like to keeping track of all your employees' work in details, Spyzie can help you to customize a suitable monitoring solution.
If you want to change monitored device, please log into your Spyzie Dashboard, click the white profile icon on the upper right corner, click "setting" menu and click "unbind" to remove the current device you are monitoring. After that, you need to set up Spyzie on the new phone all over again like before.