Report updated May 26, 2026
Blood Sugar Diary for Diabetes
For individuals managing Type 1, Type 2, or Gestational diabetes who require automated data collection from medical devices.
Blood Sugar Diary for Diabetes is a well-regarded medical app that is free with in-app purchases. With a 4.5/5 rating from 2.9K reviews, it maintains solid user satisfaction. Users particularly appreciate manual data entry and clear visual trending tools support effective diabetes management for users, though bluetooth connectivity failures with specific glucose monitors prevent automated data synchronization remains a common concern.
What is Blood Sugar Diary for Diabetes?
Blood Sugar Diary for Diabetes is a medical tracking app for iOS and Android that aggregates data from over 50 glucose meters and health sensors.
Users hire the app to centralize fragmented health data into a single, physician-ready report, reducing the manual burden of chronic condition management.
Current Momentum
v3.10 · 1mo ago
Maintenance- Migrated support to Google Health Connect.
- Ships regular stability and bug fixes.
Active Nemesis
mySugr - Diabetes Tracker Log
By mySugr
Other Rivals
7-Day Rank Pulse 🇺🇸
MedicalNo ranking data
Rating Pulse 🇺🇸
Recent User Mood
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Automatic data collection from over 50 brands of glucose meters and health sensors via Bluetooth
Manual or automatic tracking of 14 health metrics including A1C and blood pressure
Allows sharing of health records with family members, caregivers, or doctors
How much does it cost?
- Free tier with basic logging
- Premium membership with data sync, sharing, and advanced notifications
Freemium model gates interoperability and remote monitoring features to drive subscription conversion.
Who Built It?
MedM
Enabling remote patient monitoring by bridging the gap between medical-grade Bluetooth sensors and mobile health tracking. Providing a centralized data hub for chronic condition management.
Portfolio
6
Apps
What other apps does MedM make?
Explore the full MedM report
Portfolio breakdown, audience, momentum, and every app published by MedM.
What do users think recently?
High confidence · 60 reviews analyzed · Based on 60 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a excited sentiment. Users appreciate manual data entry and clear visual trending tools support effective diabetes management for users and ad-free experience and intuitive interface design encourage consistent daily health tracking habits, but report bluetooth connectivity failures with specific glucose monitors prevent automated data synchronization and mandatory account creation and sign-in requirements frustrate users seeking simple offline functionality.
What Users Love
What Frustrates Users
What Users Want
How have ratings & review volume moved?
Rating, review sentiment, and total reviews over time, with release markers showing the post-launch impact.
Vertical markers = app releases. Hover any release for the post-release impact delta.
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 Blood Sugar Diary for Diabetes?
How's The Medical Market?
How does it evolve in the Medical market?
Medical Category — the app maintains a presence in global medical charts, holding a #69 Grossing rank in the US. The gap between its free-tier reach and grossing performance suggests the premium subscription is effectively capturing power users.
Rank progression
178 active rankings tracked — 30-day window
Which niche is Blood Sugar Diary for Diabetes in?
to track and manage blood glucose levels
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)
NimbleRx competes by capturing the pharmacy fulfillment and medication management workflow, which serves as a critical adjacent utility for the same chronic-care patient demographic.
Contenders(4)
WellView competes by offering pharmacy-centric tools that assist patients in managing the financial and logistical aspects of their chronic medication.
This is a direct feature-for-feature competitor focused on the core utility of logging blood glucose and generating progress reports.
Shotsy targets the growing population of GLP-1 users, overlapping with our user base that requires complex medication and glucose tracking.
This app competes for the same user's attention by managing the logistical side of diabetes care, specifically prescription refills and pharmacy interactions.
Same space(3)
Stelo competes by offering a hardware-integrated biosensor experience that provides continuous data rather than manual logs.
This app competes for the same user demographic by focusing on high-engagement UI elements for daily glucose tracking.
This app provides a comprehensive clinical management platform that competes with our goal of being a doctor-ready reporting tool.
Compare Blood Sugar Diary for Diabetes 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 Blood Sugar Diary for Diabetes
Strengths to defend, gaps to attack
Core Strengths
- Hardware-agnostic connectivity layer
- Ad-free interface
- Multi-parameter logging
Critical Frictions
- Mandatory account registration
- Bluetooth pairing instability
- Limited offline-first functionality
Growth Levers
- Integrated A1C calculator
- B2B partnerships with healthcare providers
- Wearable device expansion
Market Threats
- Proprietary sensor lock-in
- Gamified rival engagement
- OS-level health integration
What are the next best moves?
Audit Bluetooth pairing logic because connectivity failure is the top complaint → reduce churn
Connectivity friction is the #1 complaint theme in user reviews.
Trade-off: Push the A1C calculator feature to Q3 — connectivity stability has higher retention impact.
Implement offline-first mode because mandatory sign-in is a top friction point → increase new-user conversion
User sentiment data indicates account registration is a primary barrier to entry.
Trade-off: Pause the premium-tier marketing banner rollout — onboarding friction is a larger growth bottleneck.
A counter-intuitive read
The app's reliance on third-party hardware is not a weakness but a distribution moat, as it avoids the high R&D costs of proprietary sensor manufacturing while capturing the same data.
Feature Gaps vs Competitors
- Gamified logging experiences (available in mySugr but missing here)
- Educational content modules (available in Glucose Buddy but missing here)
Key Takeaways
The app wins through its broad hardware-agnostic connectivity, but the shift to mandatory account registration risks alienating its core user base, so the PM should prioritize Bluetooth stability and offline-first access to defend the retention baseline.
Where Is It Heading?
Stable
The medical tracking market is shifting toward deeper OS-level integration, and the app's ability to sync with Google Health Connect keeps it relevant. However, the current friction from mandatory sign-ins threatens to offset these technical gains, so the PM must prioritize user-facing UX to maintain the current rating baseline.
Mandatory account registration requirements are driving user frustration, which risks eroding the app's reputation for privacy and simplicity.
The app's continued investment in Google Health Connect integration ensures long-term interoperability, keeping it competitive against native OS health trackers.