Best Blood Oxygen Watch Apps

243+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated July 2026

Finding the right blood oxygen watch apps can be overwhelming with so many options. We've analyzed 243+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Blood Oxygen Watch Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (379)NoYesJul 2026
2Blood Oxygen App- WatchBlood Oxygen App- WatchFree4.2★ (611)NoYesJul 2026
3Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesJul 2026
4InPulse - Heart Rate MonitorInPulse - Heart Rate MonitorFree4.6★ (166K)NoYesJul 2026
5SPO2er: Blood Oxygen on WatchSPO2er: Blood Oxygen on Watch$0.994.8★ (6)NoNoJul 2026
6Heart Analyzer: Pulse TrackerHeart Analyzer: Pulse TrackerFree4.7★ (22K)NoYesJul 2026
7Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoJul 2026
8Welltory: Health, Heart RateWelltory: Health, Heart RateFree4.7★ (130K)YesYesJul 2026

Top Picks for Blood Oxygen Watch

Blood Oxygen | O2 Monitor app+#1

Blood Oxygen | O2 Monitor app+ by Yana Shestakova

Saturation Level + Pulse Rate
Editor's Choice
🏥 Medical
4.6(379 ratings)
FreeIn-App Purchases
Blood Oxygen | O2 Monitor app+ screenshot 1
Blood Oxygen | O2 Monitor app+ screenshot 2
Blood Oxygen | O2 Monitor app+ screenshot 3
Blood Oxygen | O2 Monitor app+ screenshot 4
Blood Oxygen | O2 Monitor app+ screenshot 5

Track your blood oxygen saturation (SpO2) and pulse rate daily. Log readings from your oximeter, monitor your normal range, and stay informed about your health. Features include a log diary, multi-profile support, and Apple Health synchronization.

Blood Oxygen App- Watch#2

Blood Oxygen App- Watch by 199 Developments Private Limited

Log & track pulse o2 levels
Strong Contender
🏥 Medical
4.2😐(611 ratings)
FreeIn-App Purchases
Blood Oxygen App- Watch screenshot 1
Blood Oxygen App- Watch screenshot 2
Blood Oxygen App- Watch screenshot 3
Blood Oxygen App- Watch screenshot 4
Blood Oxygen App- Watch screenshot 5
Blood Oxygen App- Watch screenshot 6

Monitor and manage vital health metrics like blood oxygen, heart rate, and blood pressure. Receive automatic alerts for critical changes and utilize breathing exercises for relaxation. Syncs with Apple Health for a comprehensive view of your well-being.

What We Love

  • 🚀 Accurate pulse ox monitoring
  • 👍 Quick and easy to use
  • 🚀 Effortless Apple Watch sync
  • 👍 Intuitive and senior-friendly

Room to Improve

  • 🐛 Doesn't work on certain watches
  • 🐛 Premium features not working as expected
  • 🐛 Frequent false alarms
Blood Oxygen App#3

Blood Oxygen App by AboutMe Apps, Inc.

SpO2 Level Monitor・Heart Rate
Worth Considering
🏥 Medical
4.6😞(31K ratings)
FreeIn-App Purchases
#19in Medical
Blood Oxygen App screenshot 1
Blood Oxygen App screenshot 2
Blood Oxygen App screenshot 3
Blood Oxygen App screenshot 4
Blood Oxygen App screenshot 5
Blood Oxygen App screenshot 6

Monitor blood oxygen levels and heart rate using your phone's camera or by syncing with your Apple Watch. Track vital signs, share data with your doctor, and access curated health articles. Includes breathing exercises and sleep reports.

What We Love

  • ⭐ Awesome app
  • ⭐ Very easy to use
  • ⭐ Helpful for monitoring health conditions
  • ⭐ Detailed data logging

Room to Improve

  • ❌ Doesn't accurately measure blood oxygen levels
  • ❌ Requires premium subscription for key features
  • ❌ Inconsistent and unreliable performance

More Blood Oxygen Watch apps to explore

4
InPulse - Heart Rate Monitor
InPulse - Heart Rate Monitor
InPulse - Heart Rate Monitor
Log Blood Pressure & Oxygen
Free

Monitor your heart rate using your iPhone's camera and log blood pressure and oxygen saturation. Receive daily wellness assessments, habit tracking, and emotional wellbeing tools. This app is for fitness and general wellness information.

Measure heart rate with cameraLog blood pressure and oxygenDaily wellness assessments
💪 Health & Fitness
(166K)
freemium
5
SPO2er: Blood Oxygen on Watch
SPO2er: Blood Oxygen on Watch
SPO2er: Blood Oxygen on Watch
SPO₂ Monitoring from HealthKit
$0.99

Visualize your blood oxygen levels with clear graphs and historical data. This app syncs with HealthKit to display your latest readings, 24-hour trends, and past samples on your iPhone and Apple Watch. It prioritizes privacy with no accounts, ads, or data sharing.

Latest blood oxygen reading display24-hour trend graphDetailed historical samples
💪 Health & Fitness
(6)
paid
6
Heart Analyzer: Pulse Tracker
Heart Analyzer: Pulse Tracker
Heart Analyzer: Pulse Tracker
Watch Health & Cardio Metrics
Free

Gain deep insights into your heart health using data from your Apple Watch. Visualize trends, analyze metrics like Cardio Recovery and Heart Rate Zones, and generate detailed PDF reports. Offers advanced features and privacy-focused data handling.

Dashboard with daily summariesVisualized heart rate and health data chartsHealth vital trend assessment
💪 Health & Fitness
(22K)
free with in-app purchases
7
Blood Oxygen Level
Blood Oxygen Level
Blood Oxygen Level
Record pulse and oxygen level
Free

Easily record your daily pulse and blood oxygen levels. Track your health statistics over time with simple data entry and clear visualizations. Requires an external device like a pulse oximeter or smartwatch for measurements.

Record pulse measurementsRecord blood oxygen levelsDaily measurement tracking
🏥 Medical
(2K)
ad-supported
8
Welltory: Health, Heart Rate
Welltory: Health, Heart Rate
Welltory: Health, Heart Rate
Stress, Sleep, BP, O2 Monitor
Free

This app helps you understand your body's signals by analyzing heart rate variability and integrating data from over 1,000 devices and apps. It provides science-backed insights into sleep, stress, heart health, and activity to help you feel better and optimize your wellness.

Heart rate variability analysisSleep quality insightsStress monitoring
💪 Health & Fitness
(130K)
freemium
9
Blood Oxygen Level: Analyzer
Blood Oxygen Level: Analyzer
Blood Oxygen Level: Analyzer
O2, pulse calculator: Tracker
Free

Track your blood oxygen saturation levels and monitor changes over time. Log additional symptoms to gain a more comprehensive understanding of your condition. Supports multiple user profiles and synchronizes with HealthKit for pulse and oxygen data.

Oxygen saturation trackingSymptom loggingHistory of changes
🏥 Medical
(28)
subscription
10
O₂ Buddy: Blood Oxygen
O₂ Buddy: Blood Oxygen
O₂ Buddy: Blood Oxygen
SpO2 Levels ar A Glance
$0.99

Easily monitor your blood oxygen levels with real-time data and clear charts. Track daily averages and wellness trends, with instant syncing from HealthKit to your Apple Watch. Your health data remains private and secure on your device.

Real-time blood oxygen readingsClear charts and instant dataSyncs with HealthKit
💪 Health & Fitness
(41)
free
11
Blood Oxygen
Blood Oxygen
Blood Oxygen
by Apple Distribution International
Free

Measure your blood oxygen saturation levels directly from your wrist. This app helps you assess oxygen levels, understand how well your body is absorbing oxygen, and gain insights into your overall wellness. It records measurements for later review.

On-demand blood oxygen measurementsPeriodic background measurementsOvernight measurements
💪 Health & Fitness
(128)
free
12
Heart Rate Monitor - Pulse BPM
Heart Rate Monitor - Pulse BPM
Heart Rate Monitor - Pulse BPM
Pulse: Step,Health HR&Oximeter
Free

Easily monitor your heart rate, track steps, and record vital health metrics like blood pressure and body temperature. Save and visualize your health data, set reminders, and share your progress with friends and family. This app provides convenient health insights for daily well-being.

Measure heart rate anywhereTrack steps, blood pressure, and body temperatureSave and visualize health data
💪 Health & Fitness
(128K)
freemium
13
Heartify: Heart Health Monitor
Heartify: Heart Health Monitor
Heartify: Heart Health Monitor
Pulse & Stress Analyzer, HRV
Free

Monitor your heart rate and track key health metrics like HRV, stress, and energy levels using your phone's camera. Gain insights into your heart health with educational content and progress reports. Connect with a community and access premium features through subscription.

Measure heart rate with phone cameraTrack Heart Rate Variability (HRV)Monitor Stress and Energy levels
💪 Health & Fitness
(118K)
free with in-app purchases
14
Pulse Plus: Heart Rate Monitor
Pulse Plus: Heart Rate Monitor
Pulse Plus: Heart Rate Monitor
Blood Pressure・Oxygen Tracker
Free

Track your heart rate using your phone's camera with this easy-to-use app. It utilizes photoplethysmography to provide accurate pulse measurements and visualizes your data over time. Integrate with Apple Health and receive reminders to stay on top of your fitness goals.

Heart rate measurement via phone cameraPhotoplethysmography (PPG) technologyPersonalized measurement history dashboard
💪 Health & Fitness
(3.6K)
subscription
15
артериальное давление  SmartBP
артериальное давление  SmartBP
артериальное давление SmartBP
BP Heart Rate Cardio Monitor
Free

Log, monitor, and analyze blood pressure and heart measurements. Automatically calculate BMI, pulse pressure, and mean arterial pressure. Share reports with healthcare providers and track progress with clear graphs and statistics.

Log blood pressure, pulse, and weightAutomatic BMI, PP, and MAP calculationSync with Bluetooth BP monitors
🏥 Medical
(58K)
free with in-app purchases
16
HealthWell - Blood Pressure
HealthWell - Blood Pressure
HealthWell - Blood Pressure
Blood Sugar & Heart Health
Free

Monitor your vital health metrics like heart rate, blood pressure, blood sugar, and blood oxygen using your phone's camera and manual logging. Track trends, view charts, and receive lifestyle suggestions to manage your well-being.

Heart rate measurement via cameraBlood pressure trackingBlood sugar recording
💪 Health & Fitness
(451)
freemium
17
Blood Pressure Log, Heart Rate
Blood Pressure Log, Heart Rate
Blood Pressure Log, Heart Rate
Pulse & Stress Analyzer, HRV
Free

Monitor and analyze your heart rate, blood pressure, stress, and oxygen levels. Track trends, gain insights into your wellbeing, and export your data. Receive daily reminders to stay consistent with your health monitoring.

Heart Rate Measurement & AnalysisBlood Pressure LogStress & Energy Tracking
🌟 Lifestyle
(23K)
free with in-app purchases
18
Blood Oxygen Monitor - OxyByte
Blood Oxygen Monitor - OxyByte
Blood Oxygen Monitor - OxyByte
SpO2 Respiration Health O2 App
Free

Monitor blood oxygen, respiratory rate, and symptoms with this respiratory health app. It syncs with Apple Health, provides detailed historical data, and offers insights into breathing patterns and environmental factors.

Blood oxygen (SpO₂) trackingRespiratory rate monitoringSymptom logging
🏥 Medical
(0)
free with in-app purchases
19
Oximeter - Track Oxygen SpO2
Oximeter - Track Oxygen SpO2
Oximeter - Track Oxygen SpO2
Blood O2 Monitor Tracker
Free

Monitor and record your blood oxygen saturation (SpO2) levels with this personal health tracking app. It offers detailed analytics, daily wellness guides, and data export options. Sync your health data with Apple Health for a comprehensive overview.

Display, record, and view SpO2 dataDetailed analytics with data spikesNutrition and meditation guides
💪 Health & Fitness
(466)
free with in-app purchases
20
CardioBot: Heart Rate Monitor
CardioBot: Heart Rate Monitor
CardioBot: Heart Rate Monitor
Cardio Activity HRV Tracker
Free

Monitor your heart rate and daily activities with this comprehensive health tracker. It analyzes cardiovascular health, provides smart recommendations based on AHA studies, and offers detailed stress and sleep analysis. View your data through an elegant interface with color-coded charts and timelines.

Heart rate monitoringActivity trackingCardiovascular health analysis
💪 Health & Fitness
(9.7K)
subscription

FAQ about Blood Oxygen Watch

What are the best blood oxygen watch apps for iPhone?
Blood Oxygen | O2 Monitor app+ tops our blood oxygen watch apps ranking as of July 2026, with a 4.6-star average from 379 App Store ratings, and it's free to download.
Yes — 18 of the top blood oxygen watch apps we rank are free to download, including Blood Oxygen | O2 Monitor app+ and Blood Oxygen App- Watch.
Blood Oxygen | O2 Monitor app+ has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 243+ blood oxygen watch apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app allows you to log your daily blood oxygen saturation (SpO2) and pulse rate readings. It helps you monitor your normal oxygen level range and estimated heart rate, providing a diary for your health data and reminders to log readings.
Key features include a log diary for SpO2 and pulse rate, fast and accurate pulse measurement, multi-profile support for family members, synchronization with Apple Health, Apple Watch support, and daily reminders to log your data.