There is no single best biometric technology, they all have their pros and cons. Choosing the best one (or the best combination) depends on several factors: type of user and cultural environment, security level required for the application and even the specific situation where the authentication is being performed.
No need of dedicated hardware
It uses the standard buit-in sensors present in every smartphone or tablet. MobbID technology has been designed from the ground up to provide good accuracy and performance on mobile devices.
The biometric modules can work in both client-server or stand-alone mode depending on the requirements. Both modes work with the same accuracy level for all biometric modalities.