They're not any different. CGM's have issues- sometimes need to be calibrated against a finger stick (officially, they always need to be) In the end though- it

They're not any different. CGM's have issues- sometimes need to be calibrated against a finger stick (officially, they always need to be) In the end though- it's still a bit of fungal extract painted onto an electrode, and an ADC that reads the value every so often. Like any other glucose monitor.