Report updated May 22, 2026
ECG
For apple Watch users concerned with heart health who require a tool to monitor for irregular rhythms and share data with medical professionals.
ECG is an established health & fitness app that is completely free. With a 2.6/5 rating from 51 reviews, it shows polarized user reception.
What is ECG?
The ECG app is a health-monitoring utility for Apple Watch users that records heart rhythm and detects signs of atrial fibrillation.
Users hire this app to monitor heart health and generate clinical data for physician review, reducing the friction of traditional diagnostic appointments.
Current Momentum
v1.4 · 5mo ago
Zombie- Ships periodic stability updates.
- Maintains hardware-linked utility status.
Active Nemesis
Fragmented niche
No dominant direct rival identified yet — see Other Rivals below.
Other Rivals
7-Day Rank Pulse 🇺🇸
Health & FitnessNo ranking data
Rating Pulse 🇺🇸
What makes this app unique?
Loading...
What Are The Key Features?
Records heartbeat and rhythm using the electrical heart sensor on Apple Watch Series 4 or later.
Analyzes heart rhythm for signs of atrial fibrillation or sinus rhythm.
Exports ECG waveforms and classification data to the Health app on iPhone for physician review.
How much does it cost?
- Free app for compatible Apple Watch users
The app functions as a hardware-linked utility with no direct monetization, serving as a brand moat to drive Apple Watch adoption.
Who Built It?
Jatisari Inovasi Studio
Providing essential system utilities and productivity tools for the Apple ecosystem. Streamlining daily workflows through deep OS-level integration.
Portfolio
13
Apps
What other apps does Jatisari Inovasi Studio make?
Apple Sports
Apple Invites
Apple Music Classical
Pixelmator Classic iOS
Final Cut Camera
Bahrain Calendar 2026
Explore the full Jatisari Inovasi Studio report
Portfolio breakdown, audience, momentum, and every app published by Jatisari Inovasi Studio.
What do users think recently?
Analysis in progress, available soon
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 ECG?
Where is it available?
Localized markets (19)
How's The Health & Fitness Market?
Market outlook for this category
Available very soon
Which niche is ECG in?
to monitor heart rhythm and detect irregularities
Explore the full Heart Monitoring Monitors niche
Every app in this space — 1 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Same space(4)
uHoo competes for the health-conscious user's attention by providing environmental health data that complements the physiological data tracked by the ECG app.
Differentiators
- Provides multi-factor air quality monitoring which addresses environmental health factors outside the scope of ECG.
- Integrates with Home Assistant to automate living environments based on real-time air quality sensor data.
This app competes for the 'wellness' wallet share by focusing on behavioral health and digital habits rather than clinical heart monitoring.
Differentiators
- Offers strict app and website blocking features to improve user focus and reduce digital stress.
- Includes habit-building practices that provide a holistic approach to wellness beyond simple physiological data tracking.
Medline targets the same clinical-adjacent user base by focusing on vitals tracking and facilitating better communication between patients and doctors.
Differentiators
- Includes specific tools for doctor conversation preparation, bridging the gap between home tracking and clinical visits.
- Focuses on broad vitals tracking rather than the specialized, single-lead ECG rhythm analysis provided by Apple.
UPRIGHT competes by offering a specialized physical health intervention that, like ECG, relies on wearable hardware to provide actionable health feedback.
Differentiators
- Utilizes real-time vibration biofeedback to actively correct user posture, moving beyond passive health monitoring.
- Features a personalized training program that gamifies physical improvement through a real-time posture avatar.
New entrants(1)
GotCGM represents a new wave of specialized health monitoring that leverages deep Apple ecosystem integration to provide continuous data insights.
Differentiators
- Leverages Live Activities and CarPlay support to provide seamless, glanceable health data updates for users.
Compare ECG 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 ECG
Strengths to defend, gaps to attack
Core Strengths
- Hardware-level integration with Apple Watch sensors
- Clinical-grade rhythm classification
- Seamless data export to the Health app
Critical Frictions
- 2.56 rating on 51 reviews
- No direct monetization
- Hardware-dependent functionality restricts the user base
Growth Levers
- Expansion into additional international markets
- Deeper integration with third-party clinical platforms
Market Threats
- Regulatory shifts in health-data privacy
- Emergence of specialized, lower-cost wearable health monitors
What are the next best moves?
Audit symptom logging flow because current engagement is reactive → increase data-sharing frequency
The app relies on user-initiated symptom logging, which limits the depth of clinical data collected.
Trade-off: Pause the UI refresh for the PDF export screen — symptom logging has higher clinical impact.
A counter-intuitive read
The app's low rating is not a failure but a reflection of its clinical nature: users only engage when they feel symptoms, creating a selection bias toward negative experiences.
Feature Gaps vs Competitors
- Real-time posture biofeedback (available in UPRIGHT)
- Environmental air quality monitoring (available in uHoo)
Key Takeaways
The app effectively secures hardware loyalty through clinical utility, but its passive engagement model limits long-term user retention, so the PM should prioritize proactive health-data insights to increase daily app usage.
Where Is It Heading?
Stable
The health-monitoring market is shifting toward proactive, continuous data collection, which exposes the ECG app's reactive, hardware-dependent design. The PM must transition the app from a diagnostic tool to a daily wellness companion to maintain its relevance against emerging, specialized health wearables.
The app continues to function as a hardware-retention utility, which limits its need for aggressive feature updates or rapid iteration.
The low rating on the platform suggests that users find the app's reactive nature frustrating, which may lead to churn if competitors offer more proactive monitoring.