T1D1 Quick Guide
Watch the tutorial (15 mins)
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Getting StartedGetting started is really pretty simple. First, answer a few short questions to make sure the app is right for you. Next, create an account - we just need your name, email address, and password. Don’t worry, we will never sell any of your information - that’s just not how we roll. Once you have created an account you will be led through our super simple “Onboarding Wizard” where you will enter all of your basic calculator settings. Oh! One more thing! You can even enter your Basal Insulin dose here! Slick, huh? But, before you get too excited, PLEASE make sure to consult with your doctor to confirm that all of these settings are correct for you.
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Calculator Profiles*Now that your basic info is set up, you can turn on some cool options if you like. If you want to customize your calculator settings for different situations during the day, go to Settings and turn on the toggle next to “Multiple calculator profiles.” We will create some typical profiles for you, like Morning, Midday and Afternoon - but you can modify these names and add your own too! Scroll through each calculator profile and enter a blood glucose target, correction factor, and carb ratio for each profile. Again, it is super important that you consult with your doctor to make sure the settings are exactly right for you.
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Negative Correction FactorAnother option to consider, with the help of your doctor, is Negative Correction. Tapping on Settings and then Advanced Settings will bring you to the page that has the option. When “Negative Correction” is turned on, the calculator will lower your insulin dose when your current blood glucose is lower than the blood glucose target. And, of course, double-check with your doctor to determine if you should use this feature.
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Insulin Bolus CalculatorOk, now for the good stuff! The Insulin Bolus Calculator* is on the first tab of the navigation bar - it is where you go right after logging in. First, select one of the calculator profiles. Then, enter your current blood glucose level and the number of carbs you are planning to eat (in grams). Click calculate and - TADA! The recommended insulin amount is displayed right there for you. You can add a note to yourself, if you want, and then click “Log it” and all of your data will be stored in your insulin log. Amazing right?! You can also log your Basal Dose here by selecting “Basal” from the Insulin profile and clicking “Log it.”
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Insulin LogTap on Log in the navigation bar and you will be presented with our handy dandy Insulin Log page. The logs can even be edited and deleted if needed. The best feature of this page (I think, anyway) is that you can share your logs with your doctor, or anyone else who needs them, simply by tapping the SHARE button on the top right corner. Select the date range you want to export, and tap Share. Now, two CSV files are ready to be shared by any method you want - Email, Message, AirDrop, or even Carrier Pigeon. Ok, well, maybe not Carrier Pigeon.
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Food LibraryThe Food Library is a convenient spot for you to create a list of the foods you frequently eat. This way, you don’t have to keep looking up nutritional facts or adding up ingredients every...single…time. It will help you keep track of your foods, their carb amounts, quantities, and any notes you have about each item. Just tap on the Add Food button (at the bottom of the screen) and have at it!
One more super cool easter egg - there is a SUM CARBS button on the top right corner of the screen which lets you select the foods you are planning to eat - then, it will sum up all the total carbs for you in your meal. I know, I know, we thought of everything….! |
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Other StuffThere are a couple of other “Advanced” settings you can check out. If you’re a control freak, like some of us, you can turn on the advanced option to “Display Formula” and the Bolus calculator will show you the math. Also, you can select a rounding option if you would like the app to round the insulin recommendation results for you. (The “Glucose Unit” option is almost never changed - so let’s leave that one alone, mmmmkay?)
And, just so you know, multiple people can be logged in to the same account if, for example, mom and dad both want to calculate insulin and check logs for their child. It doesn’t even matter what mobile platform you’re on! Lastly, T1D1 will work while offline and will sync up as soon as you receive a signal again. |
*The calculator implements the bolus dosing calculation as indicated by the American Diabetes Association (ADA) standards without modifications. See Standards of Care in Diabetes—2025. Diabetes Care 2025;48(Suppl. 1):S1–S160.