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Re:The Unreasonable Math of Type 1 Diabetes by pimeys on Friday February 18, 2022 @01:32AM (#30382762)
There are open source apps such as xdrip that can alert on a trend change, and androidaps that turns off insulin delivery way before you get to a hypo.

The official one from Dexcom is not very good.

Re:The Unreasonable Math of Type 1 Diabetes by steveklabnik on Friday February 18, 2022 @11:24AM (#30387718)
Yeah, if you're technical, there's options. But if you're not, it can be harder.