Is the zero-offset calibration the same in the app as in the cycling computer? Yes, it is the same operation and it can be done freely. Tagged: bike computercalibrationmobile app Related Articles What do the calibration values mean? Will POWERCRANK work with my bike computer / watch? Do I need to install the magnet or cadence sensor on my bike when using the POWERCRANK? How to connect the POWERCRANK with my bike computer? How to perform calibration? How often do I need to perform calibration on my device?