1. Lacks a facility to calculate insulin requirements based upon current reading and expected carb intake.
2. Lacks the ability to record insulin injected and carbs consumed.
3. Lancing device is a wimp. It does not deal with fingers callused by many years of testing.
4. Lacks a place to... Show more store used strips until I'm somewhere near a wastebasket.
5. Needs to recognize that MediCare pays for the strips for many of us. The touted convenience does not justify the cost of the strips, especially in light of the flaws cited above.
Summary--great idea, but not there yet.
Update. Right now to utilize your your device, I need to get the Dario out and set up with my phone, eventually get a reading after two to four tries and ruined strips. I then go to Glucose Companion, insert the bg result and the expected carb load. I record the results in GC, take my insulin and enjoy my meal while it's still reasonably warm. Or I can start with my old meter, good lancing device, not a lot to put together, get a reading, plug the data into the onboard calculator, record bg, time of day, units of carbs eaten and units of insulin taken All done in about 1/2 the time; meal is delightfully warm and tasty.