Report updated Jun 14, 2026
Glucose | Blood Sugar Tracker
For individuals with diabetes or prediabetes requiring a centralized log for blood glucose, medication, and health metrics.
Glucose | Blood Sugar Tracker is a challenged medical app that is completely free. With a 4.6/5 rating from 28.1K reviews, it faces significant user friction. Users particularly appreciate estimated a1c tracking provides valuable health insights for long-term diabetic management, though frequent application crashes during startup or data synchronization break the daily logging habit remains a common concern.
What is Glucose | Blood Sugar Tracker?
Glucose Blood Sugar Tracker is a mobile medical logging tool for individuals with diabetes to track glucose, medication, and health metrics.
Users hire the app to centralize health data for physician reporting, but the manual entry requirement creates friction that disrupts the daily logging habit.
Current Momentum
v3.14 · 1mo ago
Active- Shipped Libre 2 CGM connection support.
- Fixed BGM data synchronization bugs.
Active Nemesis
mySugr - Diabetes Tracker Log
By mySugr
Other Rivals
7-Day Rank Pulse 🇺🇸
MedicalRating Pulse 🇺🇸
Recent User Mood
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Direct connection to Libre 2 continuous glucose monitors for live data ingestion
Calculates estimated HbA1c levels based on logged glucose entries
Writes glucose, weight, and blood pressure logs to the Apple Health app
How much does it cost?
- Free version with full tracking features
The app currently operates as a free tool with no visible IAP or subscription gates, focusing on user acquisition.
Who Built It?
App Sub 1
Providing offline-first business utilities and health tracking tools for SMBs, freelancers, and individuals managing chronic conditions.
Portfolio
13
Apps
What other apps does App Sub 1 make?
Blood Pressure Tracker •
Timesheet - Time Tracking Pro
Blood Pressure Tracker (Paid)
Timesheet - Work Hours Tracker
W&O Restaurant POS Pro
W&O POS - Retail Point of Sale
Explore the full App Sub 1 report
Portfolio breakdown, audience, momentum, and every app published by App Sub 1.
What do users think recently?
High confidence · 49 reviews analyzed
How did the latest release land?
What is the recent mood?
Recent user voice shows a frustrated sentiment. Users appreciate estimated a1c tracking provides valuable health insights for long-term diabetic management, but report frequent application crashes during startup or data synchronization break the daily logging habit and misleading marketing regarding automatic blood glucose monitoring capabilities causes significant user frustration.
Limited review volume (49 reviews). Sentiment analysis will deepen as more data lands.
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Glucose | Blood Sugar Tracker?
Where is it available?
Localized markets (17)
How's The Medical Market?
How does it evolve in the Medical market?
The app maintains a 4.58 rating on the iOS platform, but the limited review count of 49 suggests a niche user base. The lack of Android presence and reliance on manual entry limits its ability to scale against category leaders.
Rank progression
105 active rankings tracked — 30-day window
Which niche is Glucose | Blood Sugar Tracker in?
to track blood glucose and health metrics
Explore the full Diabetes Management Trackers niche
Every app in this space — 46 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
mySugr is the dominant market leader in the diabetes tracking niche with a massive, highly engaged user base and a mature, feature-rich ecosystem.
Differentiators
- Integrates directly with continuous glucose monitors to automate data logging and reduce manual entry friction
- Provides a gamified experience with challenges and feedback loops that significantly improve long-term user retention
- Offers a professional-grade PDF report generation feature that simplifies sharing health data with medical providers
Head to head
The target app must pivot toward automated data ingestion or deeper clinical reporting to compete with the high-retention ecosystem mySugr has established.
Contenders(2)
A hardware-tethered application that captures users through essential medical device connectivity rather than just software features.
Differentiators
- Functions as the primary interface for essential medical hardware, creating a high-barrier-to-entry ecosystem lock-in
- Provides real-time glucose monitoring alerts that are strictly regulated and medically validated for patient safety
A long-standing, specialized diabetes tracker that maintains a strong niche presence through consistent, focused feature updates.
Differentiators
- Includes a comprehensive food database for precise carbohydrate tracking which is critical for insulin-dependent users
- Provides long-term trend analysis tools that help users visualize their health progress over months and years
Same space(2)
Directly competes with the target app's secondary feature set of blood pressure tracking within the medical category.
Differentiators
- Specializes in blood pressure visualization with specific charts for systolic, diastolic, and pulse pressure trends
- Supports data export formats specifically optimized for physician review and clinical health record integration
Adjacent medical utility that focuses on medication adherence, a common secondary need for the target app's diabetic audience.
Differentiators
- Features a sophisticated pill reminder system with family-sharing capabilities to ensure medication compliance across households
- Provides drug interaction warnings that add a layer of safety beyond simple tracking and logging
New entrants(1)
An emerging specialized tracker demonstrating high velocity and a strong focus on symptom-specific data logging.
Differentiators
- Utilizes advanced symptom-tracking logic that captures environmental triggers and lifestyle factors alongside pain intensity
- Maintains a high release cadence, shipping frequent updates that refine the user experience based on specific symptom patterns
Compare Glucose | Blood Sugar Tracker against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Glucose | Blood Sugar Tracker
Strengths to defend, gaps to attack
Core Strengths
- Clinical reporting exports increase switching costs for users
- A1C estimation provides long-term health value
- HealthKit sync reduces data entry friction
Critical Frictions
- Frequent startup crashes break daily logging habits
- Manual entry requirement contradicts marketing
- Aggressive subscription paywalls drive refund requests
Growth Levers
- Direct integration with wearable glucose monitors
- Expansion of food database for carbohydrate tracking
Market Threats
- mySugr's automated data ingestion
- Hardware-tethered apps like Libre by Abbott
- High churn from stability issues
What are the next best moves?
Audit startup sequence because frequent crashes break the daily logging habit → improve retention
Startup crashes are the #1 complaint theme in user reviews.
Trade-off: Pause the A1C calculator UI refresh — stability is the primary churn driver.
Update marketing copy because users report feeling deceived by manual entry requirements → reduce refund surge
Misleading marketing is a top complaint leading to immediate refund requests.
Trade-off: Same-quarter capacity available — no major lever displaced.
A counter-intuitive read
The app's reliance on manual entry is not just a feature gap, but a strategic vulnerability that prevents it from competing with hardware-integrated ecosystems like mySugr.
Feature Gaps vs Competitors
- Automated CGM data ingestion (available in mySugr but absent here)
- Comprehensive food database for carbohydrate tracking (available in Glucose Buddy but absent here)
Key Takeaways
The app provides value through clinical reporting, but stability issues and misleading marketing drive high churn, so the PM must prioritize stability to retain the existing user base.
Where Is It Heading?
Declining
The diabetes tracking market is consolidating around automated data ingestion, leaving manual trackers like this one exposed to high churn. Unless the app resolves its stability issues and clarifies its role as a manual tool, it will continue to lose users to hardware-integrated competitors.
Frequent application crashes during startup break the daily logging habit, which compounds the rating drag already visible in recent reviews.
Misleading marketing regarding automatic monitoring causes user frustration, leading to a surge in refund requests that threatens revenue stability.