Guardian™

Guardian™

by Medtronic, Inc.

3 ratings
9 reviews

Details

  • Released
  • Updated
  • April 24, 2023
  • November 17, 2025
Guardian™ screenshot #1 for iPhone
Guardian™ screenshot #2 for iPhone
Guardian™ screenshot #3 for iPhone
Guardian™ screenshot #4 for iPhone
Guardian™ screenshot #5 for iPhone
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About

This app works with a continuous glucose monitoring system to track blood sugar levels in real-time. View trends, log activities, and receive predictive alerts for high or low glucose. Data can be shared with healthcare providers and loved ones.

Real-time sensor glucose readings
24/7 data capture
Predictive high/low glucose alerts
Customizable alert notifications
Data sharing with CareLink™ Personal
Activity logging
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What's New in Guardian™

1.6.0

November 17, 2025

Thanks for using the Guardian™ app! This release brings general bug fixes and enhancements to improve user experience and product performance.

User reviews

Please don’t let notifications stop us opening the app

Can we Please just open the app or have an option on the caution notes to never show again?
Its so slow to give me my readings and I have to wait even longer because I forget I have to click continue on the message that the app hasn’t been tested on my phone yet.

Déconnecte la pompe !!!! 😡

Le fait de connecter sur l’app déconnecte la pompe et donc la boucle fermée. TRÈS DANGEREUX car l’insuline ne se régule plus. FUYEZ !!! Inadmissible de laisser cette app sur le store

Lässt sich nicht verbinden

Leider lässt sich diese App nicht mit meinem transmitter verbinden was ich persönlich echt schade finde das die andere App die mir empfohlen wurde sich auch nicht verbinden lässt.

IOS update message

Please please please remove the “IOS 18.1 update is coming” message. We don’t need to see this everytime we open the app it’s just another click to get through to your readings….
Thanks

The update is worst than previous version

This version of the app (1.5) is worst than what I had. Especially on night when the app doesn’t read my blood sugar unless I enter the app, which I can’t ‘cause I am sleeping, and I don’t get notifications in my low blood sugar. I saw this also during the day when the blood sugar doesn’t update the level unless I enter the app and I wait a little bit so it makes the update of the level. Please fix this bugs and release a new version like the previous which never had this problem and I was receiving notifications when the blood sugar was going under the limit I set or over the limit. Also, it never required for me to go into the app so the blood sugar update, the app was doing this from 5 to 5 minutes. Now, if I don’t go into the up for 20 minute, my last reading is saying it was 20 minute ago. Thank you!
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Developer apps

FAQ

Does Guardian™ require fingersticks?

The Guardian™ 4 smart CGM system requires no fingersticks for sensor glucose readings. However, fingersticks may still be required for diabetes treatment decisions if symptoms or expectations do not match readings.

What devices is Guardian™ compatible with?

Guardian™ is currently supported on iPhone devices. It specifically works with the Guardian™ 4 transmitter and sensor.

How often is Guardian™ updated?

The latest version of Guardian™ is 1.6.0, and it was last updated on November 17, 2025. Update frequency is not explicitly detailed but the app is actively maintained.

Can Guardian™ be used offline?

The app requires a Bluetooth connection to the Guardian™ 4 transmitter for real-time readings. Wi-Fi connectivity is needed to send data to CareLink™ Personal for online reports and sharing.

What is the age rating for Guardian™?

The Guardian™ 4 system, including the app, is indicated for users aged 7 and above. It is not intended for users younger than 7 years old.

How does Guardian™ handle data privacy?

Data can be shared with select healthcare providers, family, or friends through CareLink™ Personal. Users can choose who receives their data and can opt to receive text messages when out of range.

Does Guardian™ have ads?

No, Guardian™ does not contain advertisements. The app is free to download and use with the required Guardian™ 4 system hardware.

What are the alert options in Guardian™?

Users can customize predictive alerts for high or low glucose levels, choosing notification times between 10-60 minutes in advance. Alert volume can be maximized at night or muted during the day as needed.