Report updated May 22, 2026
Blood Oxygen
For apple Watch Series 6 or later users interested in monitoring blood oxygen saturation and overall wellness metrics.
Blood Oxygen is an established health & fitness app that is completely free. With a 3.9/5 rating from 128 reviews, it shows polarized user reception.
What is Blood Oxygen?
Blood Oxygen is a health utility for Apple Watch Series 6+ users that tracks blood oxygen saturation via dedicated sensors.
Users hire this app to monitor physiological wellness without the friction of manual logging, relying on automated background measurements to build a health baseline.
Current Momentum
v1.7 · 5mo ago
Maintenance- Ships periodic background monitoring updates.
- Maintains native system-level integration.
Active Nemesis
Heart Beat: Heart Rate Monitor
By TAPSUITE YAZILIM HIZMETLERI ANONIM SIRKETI
Other Rivals
7-Day Rank Pulse 🇺🇸
Health & FitnessNo ranking data
Rating Pulse 🇺🇸
What makes this app unique?
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What Are The Key Features?
Manual trigger of blood oxygen saturation levels via Apple Watch sensor
Automated blood oxygen tracking throughout the day and during sleep
Centralized storage and filtering of oxygen saturation data on iPhone
How much does it cost?
- Free app included with compatible Apple Watch hardware
The app functions as a value-add utility for Apple Watch hardware, with no direct monetization or subscription tiers.
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
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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 Blood Oxygen?
Where is it available?
Localized markets (20)
How's The Health & Fitness Market?
Market outlook for this category
Available very soon
Which niche is Blood Oxygen in?
to monitor blood oxygen saturation levels
Explore the full Blood Pressure Monitors niche
Every app in this space — 8 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
This app competes directly by offering accessible biometric monitoring, capturing the same health-conscious user base that seeks quick, on-demand physiological insights.
Differentiators
- Utilizes camera-based PPG measurement to provide heart rate data without requiring specialized wearable hardware sensors.
- Supports multi-profile tracking, allowing families to monitor health metrics for multiple users within one app.
- Maintains a high-frequency release cadence, keeping the product fresh with five updates in six months.
Head to head
The target app should leverage its hardware-exclusive accuracy as a premium differentiator while exploring social or family-sharing features to counter the nemesis's community-driven growth.
Contenders(2)
It competes by positioning itself as a comprehensive vitals tracking tool that bridges the gap between daily monitoring and clinical preparation.
Differentiators
- Provides specific features for doctor conversation preparation, helping users organize health data for clinical visits.
- Focuses on holistic vitals tracking rather than just single-metric blood oxygen or heart rate monitoring.
This app targets the same utility-focused health market by providing quick, accessible heart rate measurements and activity tracking.
Differentiators
- Offers a camera-based measurement solution that functions independently of proprietary wearable hardware ecosystems.
- Integrates broader activity tracking features to provide context to the user's heart rate fluctuations.
Same space(4)
This app serves the same demographic of users who need to log and track chronic health metrics over time.
Differentiators
- Automates the creation of professional PDF reports, simplifying the process of sharing data with healthcare providers.
- Features a high update frequency, ensuring compatibility with the latest iOS versions and user expectations.
It competes by offering a robust, manual logging interface for users managing long-term blood pressure health.
Differentiators
- Prioritizes an accessible UI design that simplifies manual data entry for less tech-savvy health users.
- Provides advanced analytics tools that help users visualize long-term trends in their recorded health data.
This app overlaps by combining measurement logging with educational resources to help users understand their health trends.
Differentiators
- Includes integrated educational resources that explain the significance of tracked metrics to the average user.
- Maintains a perfect rating, suggesting high user satisfaction with its simple, focused feature set.
It is a direct competitor in the health-logging space, offering multi-metric tracking for users with complex health needs.
Differentiators
- Includes medication tracking functionality, creating a stickier user experience by managing multiple health-related tasks.
- Calculates clinical categories automatically, providing immediate context to raw data points for the user.
New entrants(1)
This newcomer enters the health space by focusing on physiological regulation through haptic feedback and pulse tracking.
Differentiators
- Uses realistic haptic pulses to guide somatic grounding, offering a sensory-based approach to wellness.
Compare Blood Oxygen 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 Oxygen
Strengths to defend, gaps to attack
Core Strengths
- Clinical-grade accuracy via proprietary hardware sensors
- System-level integration ensures battery efficiency
Critical Frictions
- Zero cross-platform accessibility
- No community or family-sharing features
Growth Levers
- Integrate with Apple Health sharing features
- Add clinical-preparation exports for doctor visits
Market Threats
- Camera-based PPG rivals capturing entry-level users
- Lack of social features limits viral growth
What are the next best moves?
Ship clinical-grade PDF export because competitors like Blood Pressure Monitor Log use this to drive clinical utility → increase user retention.
Competitors provide professional PDF reports to bridge the gap between daily monitoring and clinical preparation.
Trade-off: Deprioritize the UI refresh of the measurement screen — current UI is functional and sufficient for the core utility.
A counter-intuitive read
The app's lack of monetization is its primary moat, as it forces competitors to build complex subscription models that Apple can undercut by simply bundling the feature into the hardware.
Feature Gaps vs Competitors
- Professional PDF report generation (available in Blood Pressure Monitor Log but absent here)
- Multi-profile family tracking (available in Heart Beat but absent here)
Key Takeaways
Blood Oxygen secures its position through hardware-exclusive accuracy, but it fails to provide the social or clinical utility that drives engagement in the broader health-tracking market, so the PM should prioritize clinical data exports to increase the app's utility for medical visits.
Where Is It Heading?
Stable
The health-tracking market is consolidating around apps that offer multi-metric, actionable insights rather than single-sensor utilities. Without adding social or clinical-sharing features, this app will remain a secondary tool for hardware owners, so the PM must pivot toward clinical integration to remain relevant.
The app remains a passive hardware utility, which limits its ability to compete with high-frequency, community-driven health apps.
Lack of cross-platform support allows camera-based rivals to capture the broader, non-Apple Watch user base, eroding potential market share.