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App Store Apps > Medical > iLet App
iLet App icon

iLet App

by BetaBionics · Medical · Free
On the App Store since June 2023 · Data updated 2026-10-16
App Store

iLet App is made and published by BetaBionics. AppBrain is an independent app data site and isn't affiliated with BetaBionics. The app name, icon, screenshots and description belong to BetaBionics and are shown as published on the App Store.

AppBrain's verdict

Well rated
Rating on App Store
4.33
114 ratings
Last updated
May 20, 2026

Users rate it well: 4.3 stars from 114 ratings.

Rankings

App Store top charts

App Store Rankings for iLet App

This app is not ranked

Competitors

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Releases

Updates seen on the App Store
Version
3.1.1
Launched
June 2023

No changelog data

User feedback

Ratings and reviews on the App Store

Comments on iLet App for iOS

We don't have enough comments to show example comments. Please check back later.

Technology

Found in the app by AppBrain
Price
Free
App size
169.0 MB
Content rating
Everyone

Technologies used by iLet App

About the app and developer

About iLet App

iLet App is a medical app developed by BetaBionics.

User Ratings

iLet App is rated 4.33 out of 5 stars. The rating is based on 110 ratings.

App Information

iLet App is freely available from the App Store. The app size is 168.97 MB. The latest version available is 3.1.1. The last update was on May 20, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since June 2023.

Developer information for BetaBionics

BetaBionics

Address:

Frequently asked questions about iLet App

Is iLet App free?

Yes. iLet App is free on the App Store.

Is iLet App still available?

Yes. iLet App is on the App Store, and the last update we saw was on May 20, 2026.

How large is iLet App?

iLet App is 168.97 MB.

Is iLet App suitable for children?

App Store rates the content of iLet App as suitable for everyone.

How do people rate iLet App?

iLet App scores 4.33 out of 5 stars, from 114 ratings on the App Store.

Who made iLet App?

iLet App was developed by BetaBionics. It is listed in the medical category on the App Store.

What are the best alternatives to iLet App?

People looking at iLet App also look at these medical apps: Endo Calc, kounsel, Plant Doctor AI, Solar Design, GoVoteGa.

Share iLet App

Store listing

By BetaBionics, from the App Store
iLet App Screenshot 1 of 6
iLet App Screenshot 2 of 6
iLet App Screenshot 3 of 6
iLet App Screenshot 4 of 6
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iLet App Screenshot 6 of 6
Screenshots by BetaBionics, from the the App Store listing
Description by BetaBionics Written by the developer, not by AppBrain. Click to read.
The iLet App is part of the iLet Bionic Pancreas system, an automated insulin delivery system that reduces the need to make decisions about your diabetes management – because it makes the decisions for you. The iLet needs only one number – your weight.

After startup, the iLet learns about YOU – your basal insulin needs, how to correct you to target, and how much insulin you need for your meals. The goal of the iLet is to reduce the burden of diabetes management.

The iLet Bionic Pancreas is the only insulin delivery system that makes 100% of your dosing decisions – so you don’t have to.

-No carb counting*
Instead of carb counting everything on your plate, the iLet just needs an estimate of the carbs in your meal — Usual for me, More or Less.

-No corrections
The iLet makes the corrections for you. If you’re trending high, it will automatically give you more insulin to bring you back in range. If you’re trending low, it will reduce your current insulin dosage.

-Dosing decisions made for you
The “Bionic” part of the iLet that communicates with your CGM and makes all of the insulin dosing decisions—no carb counting, no correction factors, no adjustments.

-No pre-set basal rate
iLet learns your needs and automatically adjusts your basal rate on the go.

-Simple setup
No settings are required to be entered or adjusted—the iLet system only needs your weight to get started.

-Small but mighty
Small (1.9” x 3.6” x 0.6”), lightweight and easy to put in your pocket or clip to your clothing.

-Talks to your CGM
Your iLet device communicates directly with your Dexcom CGM or FreeStyle Libre 3 Plus sensor to know where your glucose is headed.

-Water resistant
If you drop your iLet in water—no problem! It’s protected in up to 12 feet of water for up to 30 minutes.

-iLet App
The iLet App displays data from your iLet home screen in real time so you can view your current glucose, trend, notifications, and other important information directly on your phone. It also supports data synchronization, reports and updates for your iLet and allows you to share your data with your healthcare provider.

-Create your Bionic Circle
With the Bionic Circle App, up to 10 friends and family can remotely monitor you to see CGM values, meal announcements, and insulin doses and to receive alerts (Urgent Low / Urgent / Low Soon / Low/High / No Data).

Please note that any changes made to your iLet therapy settings should be done under the guidance and supervision of a qualified healthcare professional. Before making any adjustments, it is important to consult with your doctor to ensure that the changes are appropriate for your individual needs and health status.

*User must be carb aware

For safety information, visit www.betabionics.com/safety
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