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 How to connect multiple devices with each other? – Zwift, Smart Trainer, Bicycle computers etc. How to install and start the device? Where can I find serial number and ANT+ ID? How to connect the POWERCRANK with my bike computer? How to perform calibration? How often do I need to perform calibration on my device?