Comparison

Glucose | Blood Sugar Tracker vs FreeStyle LibreLink

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Glucose | Blood Sugar Tracker

This app helps users track blood sugar, weight, blood pressure, and medications to manage diabetes. It offers features like data logging, trend identification, customizable reminders, and report generation for healthcare professionals. An estimated A1C calculator is also included.

Highlights
  • Log blood sugar and other health data
  • Identify trends with graphs
  • Schedule blood sugar check reminders
  • Email reports to physicians
  • A1C estimation calculator
  • Track medications and carbs
Features
Read full description

Glucose Blood Sugar Tracker is the #1 diabetes app built for tracking blood sugar, weight, blood pressure, A1C, medications, carbs and more.  With over 500K+ users, Glucose Blood Sugar Tracker is the top rated diabetes app in the AppStore. FEATURES YOU'LL LOVE • Log your data and identify trends in one easy to use place • Create straightforward entries and tag them for time of day, before/after meals, etc. • Schedule reminders to check your blood sugar levels • Filters that help you see trends and graphs of your logs • Email reports directly to your physician with every detail you want to share • A1C estimation calculator • Also track insulin, medication, A1C, blood pressure, carbohydrates, weight and ketones Over 10K+ users use Glucose Blood Sugar Tracker to manage their diabetes. ---------------------------------------------------------------------------------------------------- "Beautifully designed without all the other distractions from other glucose apps"  - M.C. "Thank you for creating this glucose tracker. It is extremely user friendly (I became very frustrated with many others), and it will track all that I need in one location - I was really concerned that no one had what I needed, but YOU DID IT!" - C.P. ---------------------------------------------------------------------------------------------------- Glucose Blood Sugar Tracker makes it easy to identify trends and log your data in one easy to use place. View a graph of your data and even send a report to a loved one or a healthcare professional. You can also schedule reminders to ensure that you are diligent about checking your blood sugar. Whether you have diabetes or prediabetes, this app makes it easy to track your blood glucose levels. Glucose Blood Sugar Tracker also offers an estimated A1C calculator to help keep you on track in between lab measurements. Glucose Blood Sugar Tracker also tracks what time of day you are checking your blood sugar, such as first thing in the morning, before a meal, or before bed. You can also add a note to each record. In addition, Glucose Blood Sugar Tracker allows you to track insulin, medication, A1C, blood pressure, carbohydrates, weight and ketones. It is a comprehensive app for both diabetics and prediabetics. You can also sync data seamlessly between devices, track medications, and see detailed averages. The app also has configurable reminders to check your blood glucose levels. This helps you make sure to check these levels to stay in control of your diabetes. Tracking has never been easier. Glucose Blood Sugar Tracker integrates with HealthKit by writing all inputted entries to the Health app. Be in charge of your diabetes! Blood sugar tracking has never been this easy! This diabetes tracker an estimated A1C calculator. Please note that this is just an estimate and should never be used for diagnostic purposes. We can't wait for you to join the family :) Install Glucose Blood Sugar Tracker today, for free! Terms of Service: https://www.glucoseforiphone.com/terms-of-service

About

FreeStyle LibreLink

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.

Highlights
  • Painless glucose scanning with phone
  • View current glucose, trend, and history
  • Add notes for food, insulin, and exercise
  • Glucose reports including Ambulatory Glucose Profile
  • Connect to healthcare professionals via LibreView
Read full description

The FreeStyle LibreLink app allows you to monitor your glucose with your phone. [1] Check your glucose by holding your phone near your FreeStyle Libre Sensor. The App is compatible with both 10-day and 14-day Sensors. You can use the App to: * Check your glucose with a painless scan, instead of a routine fingerstick [1] * View your current glucose reading, trend arrow, and glucose history * Add notes to track your food, insulin use, and exercise * See glucose reports, including your Ambulatory Glucose Profile * Connect to healthcare professionals with LibreView [2] SMARTPHONE COMPATIBILITY Compatibility may vary between phones and operating systems. Learn more about compatible phones at http://FreeStyleLibre.us. ◆◆◆◆◆◆ USING YOUR APP AND READER WITH THE SAME SENSOR If you would like to use both the FreeStyle Libre Reader and the App with the same Sensor, you need to start the Sensor with the Reader first and then scan with your phone. Note that FreeStyle LibreLink and Readers do not share data with each other. For complete information on a device, scan your Sensor every 8 hours with that device; otherwise, your reports will not include all your data. You can upload and view data from all of your devices on LibreView.com. APP INFORMATION FreeStyle LibreLink is intended for measuring glucose levels in people with diabetes when used with a Sensor. For more information on how to use FreeStyle LibreLink, refer to the User’s Manual, which can be accessed through the app. If you require a printed User’s Manual, contact Abbott Diabetes Care Customer Support. Learn more about FreeStyle LibreLink at http://FreeStyleLibre.us. [1] If you are using the FreeStyle LibreLink app, you must also have access to a blood glucose monitoring system as the App does not provide one. Fingersticks are required for treatment decisions when you see the Check Blood Glucose symbol, when symptoms do not match system readings, when you suspect readings may be inaccurate, or when you experience symptoms that may be due to high or low blood glucose. [2] Use of FreeStyle LibreLink requires registration with LibreView. The sensor housing, FreeStyle, Libre, and related brand marks are marks of Abbott. Other trademarks are the property of their respective owners. For additional legal notices and terms of use, go to http://FreeStyleLibre.us. Before using the App, review product labeling and the interactive tutorial at https://www.freestyle.abbott/us-en/support/overview.html#app

Screenshots

Glucose | Blood Sugar Tracker4 screens
FreeStyle LibreLink4 screens

Verdict

The call

The clearest difference is rating: Glucose | Blood Sugar Tracker at 4.6 against FreeStyle LibreLink's 2.9. Glucose | Blood Sugar Tracker also leads on update cadence (every 3 weeks vs every 11 months) and chart position (#28 vs unranked). FreeStyle LibreLink's advantage is in-app purchases (none vs 11). On price, review sentiment, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Glucose | Blood Sugar Tracker sells 9 in-app purchases, starting at $7.99 per month. FreeStyle LibreLink asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Glucose | Blood Sugar Tracker holds the better App Store score, 4.6 against 2.9. That said, the two scores are not equally well evidenced: Glucose | Blood Sugar Tracker has 28K ratings behind it against 3.3K, so its average is the more settled of the two. Written reviews point the same way: 27% of Glucose | Blood Sugar Tracker's written reviews are positive against 20% of FreeStyle LibreLink's.

UpkeepUpdate frequency

Glucose | Blood Sugar Tracker ships an update every 3 weeks, FreeStyle LibreLink every 11 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

Scorecard6 real differences · 5 level
Glucose | Blood Sugar Tracker versus FreeStyle LibreLink: the parameters behind the verdict, then further details
ParameterGlucose | Blood Sugar TrackerFreeStyle LibreLink
PriceFreeFree
Rating4.6 (28K ratings) — better2.9 (3.3K ratings)
Positive reviews27.5% of reviews — better20.2% of reviews
Number of ratings28K — better3.3K
Update frequencyEvery 3 weeks — betterEvery 11 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#28 — better
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS16.015.5 — better
Further details — not scored
Size89 MB58 MB
Age rating4+4+
DeveloperApp Sub 1 LLCAbbott Labs

Customer experience

Glucose | Blood Sugar Tracker

All ratings28,237 ratings
Positive90.0%
Neutral4.0%
Negative6.0%
Written reviews408 reviews
Positive27.5%
Neutral8.1%
Negative64.5%

FreeStyle LibreLink

All ratings3,272 ratings
Positive40.6%
Neutral13.7%
Negative45.8%
Written reviews163 reviews
Positive20.2%
Neutral11.7%
Negative68.1%

User reviews

Glucose | Blood Sugar Tracker

From 28K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Simple and straightforward
  • 💡 Estimated A1C feature
  • 👍 Graphs and data visualization

Room to improve

  • 🔒 Subscription model to access full features
  • 🐛 Recent update removed decimal point for glucose entries
  • 🔒 Locked features behind paywall
  • 🔒 Sudden changes to free version

FreeStyle LibreLink

From 3.3K App Store ratings

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
  • 🤖 Poor customer support and app responsiveness

Bugs and requests

Glucose | Blood Sugar Tracker

Reported bugs

2 issues
  • Apple Watch app not functioning
  • Sync issues with HealthKit causing duplicate entries

Requested features

4 requests
  • Ability to set custom glucose range
  • Medication tracking
  • Improved Apple Watch integration
  • Ability to contact developers

FreeStyle LibreLink

Reported bugs

3 issues
  • Sensor errors and failures
  • Inability to change sensor location
  • Gaps in glucose data during sensor changes

Requested features

4 requests
  • Apple Watch integration
  • Customizable alarms and notifications
  • Ability to export data as CSV
  • Improved data visualization and analytics

In-app purchases

9 purchases

Glucose | Blood Sugar Tracker

Subscriptions9
  • Glucose+$7.991 Month
  • Glucose+$8.991 Month
  • Glucose+2 variants$9.991 Month
Show 6 more
  • Glucose+$29.991 Year
  • Glucose+$39.991 Year
  • Glucose+3 Days trial$39.991 Year
  • Glucose+7 Days trial$39.991 Year
  • Glucose+$49.991 Year
  • Premium Subscription3 Days trial$89.991 Year
None

FreeStyle LibreLink

No in-app purchases

Questions

Is Glucose | Blood Sugar Tracker free?
Glucose | Blood Sugar Tracker is free to download, with in-app purchases available.
Is FreeStyle LibreLink free?
FreeStyle LibreLink is free to download, with no in-app purchases.
Which has better reviews, Glucose | Blood Sugar Tracker or FreeStyle LibreLink?
Glucose | Blood Sugar Tracker is rated higher. Glucose | Blood Sugar Tracker averages 4.6 out of 5 from 28K ratings, while FreeStyle LibreLink averages 2.9 from 3.3K ratings.
Do Glucose | Blood Sugar Tracker or FreeStyle LibreLink have ads?
Neither Glucose | Blood Sugar Tracker nor FreeStyle LibreLink shows ads.
Which is updated more often, Glucose | Blood Sugar Tracker or FreeStyle LibreLink?
Glucose | Blood Sugar Tracker ships an update every 3 weeks, and FreeStyle LibreLink every 11 months. Most recently, Glucose | Blood Sugar Tracker was updated on September 24, 2026 and FreeStyle LibreLink on September 22, 2026.

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