Best Relion Apps

248+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated September 2026

mySugr is the household name in relion, but it's far from the only option. We track 248+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Relion Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1mySugr - Diabetes Tracker LogmySugr - Diabetes Tracker LogFree4.7★ (33K)NoYesSep 2026
2Glooko - Track Diabetes DataGlooko - Track Diabetes DataFree4.7★ (9.7K)NoNoSep 2026
3Glucose | Blood Sugar TrackerGlucose | Blood Sugar TrackerFree4.6★ (28K)NoYesSep 2026
4Cash AppCash AppFree4.8★ (8.7M)NoNoSep 2026
5Diabetes LogsDiabetes LogsFree4.6★ (3.1K)NoYesSep 2026
6Regions MobileRegions MobileFree4.9★ (520K)NoNoSep 2026
7Gluvia - Blood Sugar TrackerGluvia - Blood Sugar TrackerFreeNoYesSep 2026
8Regional Studies AssociationRegional Studies AssociationFreeYesNoMay 2026

Top Picks for Relion

mySugr - Diabetes Tracker Log#1

mySugr - Diabetes Tracker Log by mySugr GmbH

Master Your Blood Sugar Level!
Editor's Choice
🏥 Medical
4.7😊(33K ratings)
FreeIn-App Purchases
#52in Medical
mySugr - Diabetes Tracker Log screenshot 1
mySugr - Diabetes Tracker Log screenshot 2
mySugr - Diabetes Tracker Log screenshot 3
mySugr - Diabetes Tracker Log screenshot 4
mySugr - Diabetes Tracker Log screenshot 5
mySugr - Diabetes Tracker Log screenshot 6

This app centralizes all your diabetes-related data, including blood sugar readings, medication, and diet. It offers personalized tracking, automatic logging from connected devices, and insightful reports. Advanced features provide real-time glucose monitoring and insulin dose recommendations.

What We Love

  • 👍 Easy to use
  • 🚀 Convenient data tracking
  • 💡 Helpful features like estimated A1C
  • 👍 Integrates with other health apps
  • 👍 Motivating and engaging
  • 👍 Useful for sharing data with doctors

Room to Improve

  • 🐛 Connectivity issues with some devices
  • 🔍 Limited customization options
  • 💰 Paid version required for some key features
  • 🙄 Annoying monster animation
  • 🔍 Confusing or cluttered interface in some areas
Glooko - Track Diabetes Data#2

Glooko - Track Diabetes Data by Glooko, Inc.

Take control of your diabetes
Strong Contender
🏥 Medical
4.7😐(9.7K ratings)
Free
Glooko - Track Diabetes Data screenshot 1
Glooko - Track Diabetes Data screenshot 2
Glooko - Track Diabetes Data screenshot 3
Glooko - Track Diabetes Data screenshot 4
Glooko - Track Diabetes Data screenshot 5

This app helps individuals manage their diabetes by tracking blood glucose, insulin, weight, exercise, food, and medications. It facilitates remote collaboration with healthcare providers by sharing data and reports, enabling better informed health decisions.

What We Love

  • 🚀 Excellent for pre-diabetes monitoring
  • 👍 Helpful for understanding serving sizes
  • 👍 Great piece of tool for blood glucose monitoring
  • 👍 Accuracy at its best
  • 👍 Excellent app
  • 👍 Fabulous app
  • 👍 Insight into diabetes control
  • 👍 Simple to use
  • 👍 Convenient for sharing data with doctors

Room to Improve

  • 🐛 Sync issues with devices
  • 🐛 Frequent crashes and freezes
  • 🐛 Blank screen issues
  • 🐛 Unreliable and laggy
  • 🐛 Difficult to register and set up
  • 🐛 Incompatible with certain devices and regions
  • 🐛 Delayed data sync
  • 🐛 Cluttered and confusing UI
  • 🐛 Inability to manually add data
  • 🐛 Lack of Apple Health integration
Glucose | Blood Sugar Tracker#3

Glucose | Blood Sugar Tracker by App Sub 1 LLC

Insulin, Carbs & Diabetes Log
Worth Considering
🏥 Medical
4.6😞(28K ratings)
FreeIn-App Purchases
#23in Medical
Glucose | Blood Sugar Tracker screenshot 1
Glucose | Blood Sugar Tracker screenshot 2
Glucose | Blood Sugar Tracker screenshot 3
Glucose | Blood Sugar Tracker screenshot 4
Glucose | Blood Sugar Tracker screenshot 5
Glucose | Blood Sugar Tracker screenshot 6

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.

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

More Relion apps to explore

FAQ about Relion

What are the best relion apps for iPhone?
mySugr - Diabetes Tracker Log tops our relion apps ranking as of September 2026, with a 4.7-star average from 33K App Store ratings, and it's free to download.
Yes — 20 of the top relion apps we rank are free to download, including mySugr - Diabetes Tracker Log and Glooko - Track Diabetes Data.
mySugr - Diabetes Tracker Log has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 248+ relion apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
The mySugr app helps individuals manage diabetes by storing all their important diabetes data in one place. This includes data from connected devices, integrations, and manual entries, allowing for personalized tracking of diet, medication, carb intake, and blood glucose levels.
Key features include a personalized homescreen for tracking various health metrics, easy connections to Accu-Chek blood glucose meters for automatic logging, and advanced features like real-time glucose values, prediction features, and customizable alarms. PRO features offer a bolus calculator and detailed PDF/Excel reports.

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