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Best Freestyle Libre 3 Sensor Apps

181+ iOS apps curated and reviewed

4.0 avg rating
19 free apps
Updated May 2026

If you already know FreeStyle Libre 3, this is the deeper bench. 181+ freestyle libre 3 sensor apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of May 2026.

Top Picks for Freestyle Libre 3 Sensor

FreeStyle Libre 3 – US#1

FreeStyle Libre 3 – US by Abbott Diabetes Care Inc

Continuous Glucose Monitoring
Editor's Choice
🏥 Medical
2.4😐(5.4K ratings)
Free
#32in Medical
FreeStyle Libre 3 – US screenshot 1
FreeStyle Libre 3 – US screenshot 2
FreeStyle Libre 3 – US screenshot 3
FreeStyle Libre 3 – US screenshot 4
FreeStyle Libre 3 – US screenshot 5
FreeStyle Libre 3 – US screenshot 6

Monitor your glucose levels in real-time with advanced continuous glucose monitoring technology. Receive immediate alerts for low or high glucose readings and gain insights into your trends with detailed reports. This app is designed for individuals managing diabetes.

What We Love

  • 🚀 Smaller and less obtrusive sensor
  • 🚀 Accurate continuous glucose monitoring
  • 👍 Helpful for managing diabetes
  • 👍 Improved from previous Libre versions

Room to Improve

  • 🐛 Frequent sensor failures and connectivity issues
  • 🔊 Loud and non-customizable alarms
  • 🔍 Limited data visualization and analysis capabilities
Libre by Abbott#2

Libre by Abbott by Abbott Diabetes Care Inc

Continuous Glucose Monitoring
Strong Contender
🏥 Medical
4.6😊(110K ratings)
Free
#26in Medical
Libre by Abbott screenshot 1
Libre by Abbott screenshot 2
Libre by Abbott screenshot 3
Libre by Abbott screenshot 4
Libre by Abbott screenshot 5
Libre by Abbott screenshot 6

This app provides continuous glucose monitoring for individuals with diabetes. It automatically updates glucose readings to your phone every minute and offers insights into trends and settings. Compatible with specific FreeStyle Libre sensors, it aids in managing diabetes by tracking glucose levels.

What We Love

  • 🚀 Streaming every minute
  • 👍 User-friendly design
  • ⭐️ Five-star rating

Room to Improve

  • 🔧 Needs more customization
  • 🔍 Lack of detailed view
  • 🔌 Unreliable connection
FreeStyle LibreLink - US#3

FreeStyle LibreLink - US by Abbott Diabetes Care Inc

Abbott Diabetes Care
Worth Considering
🏥 Medical
2.9😐(3.3K ratings)
Free
FreeStyle LibreLink - US screenshot 1
FreeStyle LibreLink - US screenshot 2
FreeStyle LibreLink - US screenshot 3
FreeStyle LibreLink - US screenshot 4
FreeStyle LibreLink - US screenshot 5

Monitor glucose levels by scanning a sensor with your smartphone. View current readings, trends, and history. Track notes on food, insulin, and exercise, and generate reports. Connect with healthcare professionals for comprehensive diabetes management.

What We Love

  • 🚀 Convenient and easy to use
  • 📈 Helpful for managing diabetes
  • 🔍 Provides detailed glucose data
  • 🔋 Sensor lasts 14 days

Room to Improve

  • 🐛 Inaccurate readings compared to finger sticks
  • 🔌 Compatibility issues with newer iOS versions
  • 🕰️ Delays in data transfer to Apple Health

More Freestyle Libre 3 Sensor apps to explore

4
LibreLinkUp
LibreLinkUp
LibreLinkUp
by Newyu, Inc
Free

Monitor and support individuals using a FreeStyle Libre sensor and compatible app. View their glucose levels with a quick glance, receive alerts for high or low glucose, and get notified about sensor status. Understand glucose patterns with history and insights.

Remote glucose monitoringGlucose history and insightsGlucose alarms (high/low)
🏥 Medical
(23K)
free
5
Acceleration sensor logger
Acceleration sensor logger
Acceleration sensor logger
by REGREX Co.,Ltd.
Free

This tool logs data from your device's acceleration, gyroscope, and magnetic force sensors. Visualize sensor readings in graphs and export data via email in CSV format for spreadsheet analysis. It can also function as a horizontal instrument.

Log acceleration, gyroscope, and magnetic force sensor dataDisplay sensor data in graphsExport data via email in CSV format
🔧 Utilities
(8)
free
6
GlucoWatch
GlucoWatch
GlucoWatch
Your blood sugar on your wrist
Free

This app displays real-time glucose data from compatible sensors directly on your Apple Watch face. It offers convenient and discreet monitoring for users of Abbott's FreeStyle Libre 2 and Libre 3 sensors.

Real-time glucose data displayApple Watch face integrationCompatible with FreeStyle Libre 2 & 3
💪 Health & Fitness
(195)
free with in-app purchases
7
Structure
Structure
Structure
by XRPro, LLC
Free

This app is a companion for a 3D scanning accessory, enabling iOS devices to capture the world in three dimensions. It allows users to view live 3D measurements, overlay depth and color data, and stream 3D data to a computer. The app also facilitates firmware updates and battery level checks for the accessory.

Live 3D distance measurementsOverlay 3D depth and colorLive 3D stream uplink via WiFi
🔧 Utilities
(15)
free
8
FLwatch: Glucose Sensor Graph
FLwatch: Glucose Sensor Graph
FLwatch: Glucose Sensor Graph
Insulin On Board + Activity
Free

Visualize blood glucose readings from compatible sensors on your iPhone and Apple Watch. Track insulin doses, view insulin-on-board and activity graphs, and integrate data with Apple Health for comprehensive diabetes management.

Blood glucose graph on iPhone and Apple WatchInsulin on Board (IOB) calculationInsulin activity graph
🏥 Medical
(26)
free
9
Sensor Switch VLP
Sensor Switch VLP
Sensor Switch VLP
by Acuity Brands Lighting, Inc
Free

This app allows for the visual configuration of occupancy sensors and photocontrols using flash programming technology. Users can easily adjust settings like time delay, trim values, and photocontrol options. It also offers Bluetooth connectivity for select sensors and includes security features.

Visual sensor selectionAdjust occupancy time delayConfigure photocontrol options
💼 Business
(26)
ad-supported
10
TI SensorTag
TI SensorTag
TI SensorTag
by Texas Instruments
Free

This app connects to a Bluetooth Smart or WiFi SensorTag kit, allowing you to access and upload sensor data online within minutes. No programming is needed to get started, making it ideal for quick IoT development and testing.

Bluetooth Smart and WiFi connectivity10 low power sensorsOnline sensor data access
🔧 Utilities
(5)
free
11
Sensor-App
Sensor-App
Sensor-App
Access all device sensors
Free

Access and utilize all your device's sensors with this comprehensive tool. Explore GPS, gyroscope, acceleration, magnetometer, altimeter, and attitude data for various applications and research.

Access GPS for precise locationUtilize gyroscope for orientationMeasure acceleration and movement
🔧 Utilities
(3)
free
12
Necto Sensor
Necto Sensor
Necto Sensor
Remotely Monitor Any Location
Free

This app allows real-time remote monitoring of temperature, humidity, and power status using a cellular-connected sensor. It sends customizable alerts for critical environmental changes, providing peace of mind for property conditions.

Real-time temperature monitoringReal-time humidity monitoringPower status monitoring
🔧 Utilities
(6)
free
13
CO2 sensor
CO2 sensor
CO2 sensor
Display SCD-41 CO2 readings.
Free

Monitor CO2, temperature, and humidity levels in real-time using a Bluetooth sensor. Save readings with location data and sync them across Apple devices via iCloud. View historical data on a map.

Real-time CO2, temperature, and humidity readingsBluetooth sensor integrationSave readings with location
🔧 Utilities
(3)
free
14
Meter - Sensor Dashboard
Meter - Sensor Dashboard
Meter - Sensor Dashboard
All-in-one measurement app
Free
$1.99 | 100% OFF

This utility app turns your iPhone into a comprehensive measurement toolkit. It provides access to various device sensors for real-time data on altitude, speed, pressure, motion, magnetic fields, location, sound levels, and leveling. Enjoy a clean interface with no ads or subscriptions.

Complete sensor suiteReal-time measurementsHigh accuracy and precision
🔧 Utilities
(5)
free
15
SensorLog
SensorLog
SensorLog
Log and Stream Sensor Data
$2.99
$5.99 | 50% OFF

Record and stream sensor data from your iPhone, iPad, and Apple Watch. Export data in CSV or JSON format, or send it via TCP, UDP, or HTTP requests. Integrates with Core ML models for advanced analysis.

Log sensor data up to 100HzStream data via TCP/UDP or HTTPExport data as CSV or JSON
🔧 Utilities
(38)
free with in-app purchases
16
Nutrisense: Glucose Tracker
Nutrisense: Glucose Tracker
Nutrisense: Glucose Tracker
CGM App with Expert Dietitians
Free

Monitor glucose levels, log food and activities, and receive personalized guidance from certified dietitians. Understand how your body responds to diet and lifestyle choices for improved energy and weight management.

Continuous Glucose MonitoringAdvanced AnalyticsLog Meals, Sleep, Stress, Exercise
💪 Health & Fitness
(4.3K)
free with in-app purchases
17
LevelTap™
LevelTap™
LevelTap™
by Flowline, Inc.
Free

This application allows users to wirelessly configure and monitor level or flow process information from compatible sensors using a secure Bluetooth connection. Download the app to access diagnostic tools, view process information, and configure sensors from a safe distance.

🔧 Utilities
(48)
18
Conduit, powered by ROS
Conduit, powered by ROS
Conduit, powered by ROS
Stream sensor data to ROS 2
Free

Transform your iOS device into a ROS 2 sensor publisher. Stream real-time data from 12 sensor types directly to ROS 2 systems using the Zenoh protocol. Offers configurable publishing rates and quality of service settings.

12 sensor types supportedDirect ROS 2 integrationDual ROS 2 distribution support
🛠️ Developer Tools
(3)
free with in-app purchases
19
Proteus Sensor Cloud
Proteus Sensor Cloud
Proteus Sensor Cloud
by Avarachan Cherian
Free
🔧 Utilities
(0)
20
VEGA Tools
VEGA Tools
VEGA Tools
by VEGA Grieshaber KG
Free

Configure and monitor industrial sensors wirelessly via Bluetooth using your smartphone or tablet. Access detailed instrument information, documentation, and diagnostic functions for efficient setup and operation.

Wireless sensor adjustment via BluetoothIntuitive configuration interfaceReal-time measurement visualization
💼 Business
(21)
free

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