ERPNext’s ‘Employee Checkin’ and ‘Auto Attendance’ is actually unaware of(doesn’t care about) the device/system being used for biometric integration. Hence, ERPNext’s Biometric Integration doesn’t have an advantage/dis-advantage based on the device being used for the biometric integration… So, you are free to use any Biometric System you like…
Here is a short note that might give you clarity on the ERPNext Biometric Integration: A Note on Biometric Integration in ERPNext · frappe/biometric-attendance-sync-tool Wiki · GitHub