1.EasyAR has two charging methods. One is to charge according to DAU; The other is based on the number of scans. You can buy EasyAR services on a monthly basis; If you buy a 10-month service, we'll give you an extra two months.
2. When you create a CRS database, you will see detailed CRS prices（https://www.easyar.com/view/developCenter.html#crs?1&1）