How is Lingo Real-Time? Lingo uses continuous glucose monitoring technology coupled with our proprietary algorithm, scanning glucose values every minute and translating your data into the Lingo Count and displayed in the Lingo app. Related articles Is Lingo the same as Freestyle Libre? What is the maximum operating range (distance) of the Lingo app and biosensor? What if my biosensor comes off too soon? What unit of measurement does Lingo use for glucose levels? Can I change my Lingo Count target in the app?