Comparison

Glucose | Blood Sugar Tracker vs LibreLinkUp

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, A1C, and medications. It provides trend analysis, customizable reminders, and the ability to email reports to physicians. An estimated A1C calculator is also included for diabetes management.

Highlights
  • Log blood sugar and related health data
  • Identify trends with graphs and filters
  • Schedule blood sugar check reminders
  • Email reports to physicians
  • A1C estimation calculator
  • Track insulin, medication, and weight
Features
Currently charting
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

LibreLinkUp

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.

Highlights
  • Remote glucose monitoring
  • Glucose history and insights
  • Glucose alarms (high/low)
  • Sensor alerts
  • Dark mode for viewing
Currently charting
Read full description

The LibreLinkUp[2] app is a companion app that allows you to monitor[3] and support people who are using FreeStyle Libre systems sensors and compatible an app from the FreeStyle Libre family of apps. You can link up by asking them to invite you in their app. Whether you’re a family member, friend or co-worker, the LibreLinkUp app helps you monitor and support people in your life so they can continue making progress. Turn diabetes care into a more engaged team effort. Why LibreLinkUp? • History and insights: See recent history with the glucose graph or review a logbook of readings and alarms. • In the minute notifications: caregivers can set and receive alarms[3] and notifications in the LibreLinkUp app, as well as receive glucose transfer alarms set by connections. Compatibility may vary between operating systems. Learn more about compatible phones and devices at https://librelinkup.com/support 1. The FreeStyle Libre systems apps are designed to facilitate data sharing between patients and their healthcare providers and caregivers. 2. LibreLinkUp app is only compatible with certain mobile devices and operating systems. Check www.librelinkup.com for more information about device compatibility before using the app. Use of the LibreLinkUp app requires registration with LibreView. 3. The user’s device must have internet connectivity for glucose data to automatically upload to LibreView and to transfer to connected LibreLinkUp app users. Product for prescription only, for Important Safety Information please visit FreeStyleLibre.us 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, terms of use, product labeling, and interactive tutorial, go to: http://www.FreeStyleLibre.com. If you’re experiencing any issues, contact Customer Service directly.

Screenshots

Glucose | Blood Sugar Tracker4 screens
LibreLinkUp4 screens

Verdict

The call

The clearest difference is in-app purchases: LibreLinkUp at none against Glucose | Blood Sugar Tracker's 10. LibreLinkUp also leads on rating (4.8 vs 4.6). Glucose | Blood Sugar Tracker's advantage is update cadence (every 3 weeks vs every 3 months) and chart position (#19 vs #124). On price, review sentiment, ratings volume and ads 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. LibreLinkUp asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

LibreLinkUp holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 29K and 23K respectively. Written reviews split almost evenly too, at 28% and 28% positive.

UpkeepUpdate frequency

Glucose | Blood Sugar Tracker ships an update every 3 weeks, LibreLinkUp every 3 months. Both last shipped on November 9, 2026.

Scorecard6 real differences · 5 level
Glucose | Blood Sugar Tracker versus LibreLinkUp: the parameters behind the verdict, then further details
ParameterGlucose | Blood Sugar TrackerLibreLinkUp
PriceFreeFree
Rating4.6 (29K ratings)4.8 (23K ratings) — better
Positive reviews27.7% of reviews28.3% of reviews — better
Number of ratings29K — better23K
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
Best chart rank#19 — better#124
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS16.016.0
Further details — not scored
Size92 MB89 MB
Age rating4+17+
DeveloperApp Sub 1 LLCNewyu, Inc

Customer experience

Glucose | Blood Sugar Tracker

All ratings28,576 ratings
Positive90.1%
Neutral4.0%
Negative5.9%
Written reviews412 reviews
Positive27.7%
Neutral8.0%
Negative64.3%

LibreLinkUp

All ratings22,709 ratings
Positive95.1%
Neutral2.2%
Negative2.7%
Written reviews845 reviews
Positive28.3%
Neutral18.1%
Negative53.6%

User reviews

Glucose | Blood Sugar Tracker

From 29K 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

LibreLinkUp

From 23K App Store ratings

What we love

  • 👍 Ease of use
  • 🚀 Convenient remote monitoring
  • 💡 Helpful for managing diabetes
  • 🚀 Instant data updates
  • 👍 Provides peace of mind

Room to improve

  • 🐛 Connectivity issues
  • 🐛 Unreliable notifications
  • 🐛 Inconsistent data accuracy
  • 🐛 Frequent app crashes
  • 🐛 Confusing setup process

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

LibreLinkUp

Reported bugs

4 issues
  • Sudden loss of connectivity
  • Inconsistent data sync between devices
  • Alarms not triggering as expected
  • Inability to log in or create account

Requested features

5 requests
  • Add graph and trend visualization
  • Allow customizable alarms and notifications
  • Integrate insulin dosage and food intake logging
  • Provide historical data access beyond 12 hours
  • Enable Apple Watch integration

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

LibreLinkUp

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 LibreLinkUp free?
LibreLinkUp is free to download, with no in-app purchases.
Which has better reviews, Glucose | Blood Sugar Tracker or LibreLinkUp?
LibreLinkUp is rated higher. Glucose | Blood Sugar Tracker averages 4.6 out of 5 from 29K ratings, while LibreLinkUp averages 4.8 from 23K ratings.
Do Glucose | Blood Sugar Tracker or LibreLinkUp have ads?
Neither Glucose | Blood Sugar Tracker nor LibreLinkUp shows ads.
Which is updated more often, Glucose | Blood Sugar Tracker or LibreLinkUp?
Glucose | Blood Sugar Tracker ships an update every 3 weeks, and LibreLinkUp every 3 months. Most recently, Glucose | Blood Sugar Tracker was updated on November 9, 2026 and LibreLinkUp on November 9, 2026.
Which is more popular, Glucose | Blood Sugar Tracker or LibreLinkUp?
Glucose | Blood Sugar Tracker currently peaks at #19 in the App Store charts, and LibreLinkUp at #124. Chart position reflects recent download velocity rather than total install base.

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