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Frequently Asked Questions

What is the FreeStyle LibreLink mobile app?expand

The FreeStyle LibreLink app is a mobile application designed to work with FreeStyle Libre sensors. The app enables you to monitor your glucose using your iPhone* with a FreeStyle Libre sensor – there is no need to use a separate blood glucose meter for routine glucose monitoring. When you scan the sensor with a compatible iPhone that’s running the FreeStyle LibreLink app, your glucose data is displayed directly on your phone.

With the app, you can:

  • View your current glucose reading, a trend arrow (which indicates how your glucose is changing), and the last 8 hours of glucose history
  • See glucose reports, including your Ambulatory Glucose Profile, which reveal trends and patterns
  • Add notes to track your food, insulin use, exercise, and other events
  • Connect to healthcare professionals and caregivers with LibreView

To use the FreeStyle LibreLink app, you must register with LibreView, a cloud-based diabetes management system provided by Abbott and Newyu, Inc. Please see the product labelling for the FreeStyle Libre system and the FreeStyle LibreLink app for specific instructions on using the different products, including the supported age range.

Important: You must have a compatible iPhone to install and use the app. See Compatibility Guide

Which mobile phones work with the FreeStyle LibreLink app?expand

The app is designed to work with iPhones that meet the following minimum requirements. You can also check the Compatibility Guide for additional information.

  • iPhone 7 or higher
  • Operating system: iOS 11 or higher
Does the FreeStyle LibreLink app hold a medical device license in Canada?expand

Yes, the FreeStyle LibreLink app holds a medical device license in Canada, number 99351, and is downloadable at no charge.

Are there other apps available that are intended for use with FreeStyle Libre sensors?expand

No, the FreeStyle LibreLink app is the only app that has been tested by Abbott to be compatible with FreeStyle Libre sensors. The FreeStyle LibreLink app‡‡ was developed to ensure compliance with local regulations, including safety and performance requirements in accordance with the intended use. Any product that is intended to be compatible with FreeStyle Libre sensors would also need to comply with these regulations.

What is Near-field Communication (NFC) and how do I know if my phone has it?expand

NFC is the wireless communication technology that enables your FreeStyle Libre sensor to wirelessly transmit data to another device.

You must have an iPhone 7 or higher running iOS 11 or higher to utilize the NFC capability needed to scan the FreeStyle Libre sensor.

Is the app intended for use in children, pregnant women or persons on dialysis?expand

The app has the same indications for use as the FreeStyle Libre system. The FreeStyle Libre flash glucose monitoring system is indicated for measuring interstitial fluid glucose levels in adults aged 18 years and older who have at least 2 years of experience in self-managing their diabetes. Always read and follow the label/insert for detailed instructions and indication of use.

How do I scan my FreeStyle Libre sensor with my phone?expand

After you’ve applied a FreeStyle Libre sensor to the back of your upper arm, open the app and tap one of the scan buttons within the app to put the iPhone in a scan-ready state. There are two types of scan buttons – a blue button on the Home screen and a grey scan icon in the top right corner of most screens. Hold the top edge of your iPhone near the sensor and do not move your iPhone until you hear a tone and/or feel a vibration, which indicates the scan is complete.

Do I have to remove the case on my phone to scan the sensor?expand

You may or may not have to remove your phone case – it depends on the material that the case is made from, how thick the case is, and how well your phone’s Near-field Communication (NFC) antenna works. If your phone case is made from plastic or silicone or another non-conductive material, you will probably be able to scan the sensor without removing the case. If the case is aluminum, metal or anything else that has a conductive surface, you may need to remove the case before scanning your sensor. The thickness of the case can also make a difference. If your case is very thick, it could prevent the phone from scanning the sensor.

Can the app replace my FreeStyle Libre reader?expand

Yes. The app was developed using the same technology that is in the FreeStyle Libre reader for receiving and processing glucose data, so it can also be used for routine glucose monitoring. The app can be used instead of or in combination with the FreeStyle Libre reader.

Do I need to carry a separate blood glucose meter?expand

There’s no need to use a separate glucose meter for routine testing. The app allows you to get glucose results as often as you like by simply scanning your FreeStyle Libre sensor with your phone.

However, a finger prick test using a blood glucose meter is required during times of rapidly changing glucose levels when interstitial fluid glucose levels may not accurately reflect blood glucose levels, if hypoglycemia or impending hypoglycemia is reported by the sensor, or when symptoms do not match the sensor readings.

Can I use my FreeStyle Libre reader and FreeStyle LibreLink app with the same sensor?expand

You can choose to monitor your glucose levels with either the app, the reader, or both.** You can use the FreeStyle LibreLink app and the FreeStyle Libre reader with the same sensor, as long as you start the sensor with the reader first, and then scan the newly started sensor with your phone within one hour.

Remember that the FreeStyle LibreLink app and FreeStyle Libre reader do not share data with each other. For example, if you switch between your reader and the app, you may see gaps in your glucose data, which will affect the reports available through the reader, the FreeStyle LibreLink app, and LibreView. It is important to continue scanning your sensor with either the app or the reader at least once every 8 hours so you and your healthcare professional can get a complete picture of your glucose trends and patterns.

Can I use the FreeStyle LibreLink app to scan someone else’s sensor?expand

No. The FreeStyle LibreLink app is intended to be used with only one sensor (and one person) at a time. Each app account is associated with one person.

Can the FreeStyle LibreLink app be used to make treatment decisions?expand

Yes. People with diabetes can use FreeStyle Libre sensors with the app to better understand the impact of actions like eating, exercise, and taking insulin based on their glucose levels. They can also make day-to-day therapy decisions when using the app with a FreeStyle Libre sensor, including insulin dosing decisions, based on guidance from their healthcare professional.

Will the FreeStyle LibreLink app work in “airplane mode”?expand

Yes. You can scan with your iPhone in airplane mode by tapping one of the scan buttons in the app to put it in a scan-ready state. Do not scan your sensor if restricted by flight regulations.

What if I don’t have phone service or WiFi?expand

WiFi or a mobile data connection are only required for initial app setup (downloading/installing the app, creating an account, or signing in) and sharing your glucose information with your healthcare team or with other connected apps. The app does not require a WiFi or mobile data connection to scan your sensor or to record your current glucose readings. During periods when your phone is operating in a disconnected state, your data will only be uploaded to LibreView after a WiFi or mobile data connection is restored.

Does the FreeStyle LibreLink app cause my phone battery to deplete more quickly?expand

No, the FreeStyle LibreLink app is meant to be used as often as you like and should not have a noticeable effect on battery life beyond your normal usage patterns.

What happens if my phone battery dies?expand

If your phone battery dies, charge your phone to continue using the FreeStyle LibreLink app. Your data will not be lost if the phone battery dies and you can scan the sensor while the phone is being charged.

Can I use the FreeStyle LibreLink app on a jailbroken phone?expand

No. The FreeStyle LibreLink app is not supported on jailbroken iPhones.

How do I retrieve my password if I forget it?expand

After installing the FreeStyle LibreLink app, tap Sign In. Then, tap Forgot Password. Enter the email address that was used to create the account and follow the onscreen instructions. You will receive an email with a link to reset your password. Follow the link to create a new password, then sign into your account using your new password.

Which languages are supported in the FreeStyle LibreLink app?expand
The FreeStyle LibreLink app is currently available in the following languages:
  • Arabic
  • Chinese – Simplified
  • Chinese – Traditional
  • Danish
  • Dutch
  • English – United Kingdom
  • English – United States
  • Finnish
  • French – Canada
  • French – France
  • German
  • Greek
  • Hebrew
  • Italian
  • Japanese
  • Korean
  • Norwegian
  • Polish
  • Portuguese – Brazil
  • Portuguese – Portugal
  • Russian
  • Spanish – Latin America
  • Spanish – Spain
  • Spanish – United States
  • Swedish
  • Turkish

Note: The FreeStyle LibreLink app is displayed in the same language as your phone’s operating system language. If you wish to use the FreeStyle LibreLink app in a different language, choose from one of the supported languages in your phone’s system settings. The FreeStyle LibreLink app will update the next time it is opened. If the FreeStyle LibreLink app doesn’t support the language set on your phone, the app will display text in English (US).

How do I download the FreeStyle LibreLink app?expand

Download the FreeStyle LibreLink app for iPhone from the Apple App Store. Please note that the app may not be available for download if your phone is not compatible.

What happens when I travel to different time zones, or when my phone changes time?expand

The app will display a clock icon on the glucose graph to indicate when there has been a time change. It is necessary to use the correct time for accurate reports. If your phone’s time is not set to update automatically, you will need to update your phone’s time settings in order to continue using the app.

What are some of the differences between the FreeStyle LibreLink app and the FreeStyle Libre reader?expand

  • Sharing: Reports in the FreeStyle LibreLink app can be shared directly from the phone. You can connect the reader to the computer with a USB cable to upload data.
  • Viewing: The reader features a simple colour touchscreen. Graphs are displayed in more colour and higher resolution in the app.
  • Notes: You can add notes in the reader within 15 minutes of a glucose reading. The app allows you to add and view notes at any time in the Logbook.
  • Text to Speech: If enabled in the app, you can hear the glucose reading with the unit of measure and trend arrow direction after each scan.
  • Reports: The reader and the app use the same calculations to create glucose reports. Compared to the reader, reports in the app will have more colour, details, and interactivity. The app can also display an estimate of your A1C, in addition to basic stats about your glucose history in the last 24 hours.
  • Reminders: The app allows you to easily set custom reminders, as well as an 8-hour timer that resets every time the sensor is scanned. App notifications on your phone must be enabled to see reminders.
  • Other: The reader has an insulin calculator and a port for test strips, so it can be used both for scanning a sensor and blood glucose readings.

How do I access my glucose reports?expand

The app includes a series of reports that highlight your glucose trends and patterns. From the main menu, select the report you wish to see.

What reports are available in the app?expand

  • Daily Patterns: A graph showing the pattern and variability of the sensor glucose readings over a typical day. Includes the median, 25th-75th percentile, and 10th-90th percentile range of the glucose readings.
  • Time in Target: A graph showing the percentage of time the sensor glucose readings were above, below, or within the Target Glucose Range.
  • Low Glucose Events: Information about the number of low glucose events measured by the sensor. A low glucose event is recorded when the sensor glucose reading is lower than 3.9 mmol/L (70 mg/dL) for longer than 15 minutes.
  • Average Glucose: Information about the average sensor glucose readings for different periods of the day.
  • Daily Graph: A graph of the sensor glucose readings by day.
  • Estimated A1C: Estimate of A1C (HbA1c) based on sensor glucose data from the last 90 days. A1C can be used as an indicator of how well glucose levels have been controlled and may be used to monitor a diabetes treatment regimen.
  • Sensor Usage: Information about how often the sensor is scanned.

How many readings are required to estimate A1C?expand

A minimum of 5 days of sensor data is required for an estimated A1C to be calculated.

How can I share my glucose data with my healthcare professional?expand

Email or text reports directly from the app by tapping the share icon that’s displayed at the bottom of each report available within the app. You can also show the reports on your phone to your doctor or nurse during your next appointment. LibreView may also be an option if your doctor has set it up for patients to share data. See next FAQ.

What is LibreView and how does it work with the FreeStyle LibreLink app?expand

LibreView is a cloud-based diabetes management system provided by Abbott and Newyu, Inc. LibreView provides a secure repository for data from your FreeStyle LibreLink app, and allows you to easily share your glucose data with your healthcare professional or others, if you wish. Data is automatically†† uploaded to LibreView when your phone is connected to the internet.

Why do I need to create a LibreView account to use the FreeStyle LibreLink app?expand

LibreView is used to manage your account information and enables detailed reporting and data sharing. Once the app is installed and you accept the terms of use, you will need to create a LibreView account in order to start using the app. LibreView allows you to share your glucose data with your healthcare professional and other apps that connect with the FreeStyle LibreLink app.

What kind of information does the app collect and what happens with that information?expand

The app stores your account information, glucose data, notes, and sensor information within the app on your phone, so it is your responsibility to limit access to your phone to protect personal information. The app also automatically†† uploads this data in LibreView, a secure cloud-based data repository. Please see our Privacy Policy for more information.

Is my data safe? What will Abbott do to protect patient data?expand

Abbott and its partners comply with all applicable data protection and privacy laws in users’ jurisdictions. Please read the End User License Agreement and Terms of Use or the Privacy Policy within the app or here to ensure that you are comfortable with the data handling practices that govern the use of the app and LibreView; otherwise, you should not install the app.

What happens if I lose or change my phone?expand

If you lose or change your phone, download the app again on a compatible iPhone and sign in with your account information. If you have an active sensor and need to reinstall the app, when you sign into your existing account, you can continue using your active sensor until the end of its useful life. You will not be able to view historical data in the new installation of the app, but this data will be available in LibreView.

Does the FreeStyle LibreLink app work with FreeStyle Libre desktop software?expand

No. Your glucose data from the FreeStyle LibreLink app will not be synced with FreeStyle Libre desktop software. The FreeStyle LibreLink app data is only stored by and visible through LibreView.

Is the FreeStyle LibreLink app compatible with other diabetes management software?expand

Yes, with your permission, the app is able to share glucose data with certain other apps. View the Share menu within the FreeStyle LibreLink app to see what other apps are available for sharing in your region.

What should I do if I have questions about the app or my data?expand

If you have any questions about the app or your data, including questions on how to close your LibreView account, contact us.