The daily driver for type 1 — it tunes your insulin-to-carb ratio against what actually happened. How much, how long ago, what's still working — on one screen instead of in your head.
Nothing to calculate. No guilt. What you eat, how you move and how you sleep, against what your numbers did next.
Everyone who shares with you on one roster, one screen. Read the group side by side, open anyone for the day behind the number.