Best Blood Oxygen Apps

250+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated August 2026

The best blood oxygen apps on iPhone average 4.4★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Blood Oxygen Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesAug 2026
2Apple HealthApple HealthFree3.0★ (7.7K)NoNoAug 2026
3Blood Oxygen App- WatchBlood Oxygen App- WatchFree4.2★ (635)NoYesAug 2026
4Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoAug 2026
5Blood OxygenBlood OxygenFree3.9★ (128)NoNoMay 2026
6Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (423)NoYesAug 2026
7Blood Oxygen Tracker – SpO2Blood Oxygen Tracker – SpO2FreeNoYesAug 2026
8OxyRemote: Oxygen MonitorOxyRemote: Oxygen MonitorFree5.0★ (1)NoYesAug 2026

Top Picks for Blood Oxygen

Blood Oxygen App#1

Blood Oxygen App by AboutMe Apps, Inc.

SpO2 Level Monitor・Heart Rate
Editor's Choice
🏥 Medical
4.6😞(31K ratings)
FreeIn-App Purchases
#29in 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
Apple Health#2

Apple Health by Apple

Strong Contender
💪 Health & Fitness
3.0😐(7.7K ratings)
Free
Apple Health screenshot 1
Apple Health screenshot 2
Apple Health screenshot 3
Apple Health screenshot 4
Apple Health screenshot 5

Consolidate and securely store your health and fitness data from various sources. Visualize trends, track progress, and gain insights into your well-being. Share information with trusted individuals and manage medications and mental health.

What We Love

  • 🚀 Accurate step counting
  • 👍 Helpful for tracking health data
  • 🚑 Saved user's life by detecting heart issues
  • 💡 Integrates well with other health apps

Room to Improve

  • 🐛 Inconsistent step/distance tracking
  • 🐛 Sleep tracking issues
  • 🐛 Medication tracking limitations
Blood Oxygen App- Watch#3

Blood Oxygen App- Watch by 199 Developments Private Limited

Log & track pulse o2 levels
Worth Considering
🏥 Medical
4.2😐(635 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

More Blood Oxygen apps to explore

4
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
5
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
6
Blood Oxygen | O2 Monitor app+
Blood Oxygen | O2 Monitor app+
Blood Oxygen | O2 Monitor app+
Saturation Level + Pulse Rate
Free

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.

Log oxygen saturation (SpO2) and pulse rateFast and accurate pulse measurementMulti-profile support for family members
🏥 Medical
(423)
freemium
7
Blood Oxygen Tracker – SpO2
Blood Oxygen Tracker – SpO2
Blood Oxygen Tracker – SpO2
Pulse Oximeter & Heart Rate
Free
🏥 Medical
(0)
8
OxyRemote: Oxygen Monitor
OxyRemote: Oxygen Monitor
OxyRemote: Oxygen Monitor
Watch Loved Ones Remotely
Free

Monitor blood oxygen and heart rate remotely using a compatible Bluetooth pulse oximeter. Receive real-time updates and custom alerts for loved ones or personal wellness trends. Track history and share readings with family.

Remote monitoring of blood oxygen and heart rateCustomizable alert ranges and push notificationsShare live readings with up to 5 family members
💪 Health & Fitness
(1)
free with in-app purchases
9
Pulse Oximeter for iPhone
Pulse Oximeter for iPhone
Pulse Oximeter for iPhone
Heart Rate Monitor & Pulse
Free

Track your blood oxygen levels and heart rate with this health monitoring tool. It syncs with health platforms, supports manual entry, and provides clear visual indicators of your readings. Upgrade for unlimited history and detailed analytics.

Blood oxygen level trackingHeart rate monitoringHealth data platform sync
🏥 Medical
(0)
free with in-app purchases
10
O2 Buddy: Blood Oxygen SpO2
O2 Buddy: Blood Oxygen SpO2
O2 Buddy: Blood Oxygen SpO2
Saturation Levels & Trends
$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
(46)
free
11
Blood Oxygen Monitor - OxyByte
Blood Oxygen Monitor - OxyByte
Blood Oxygen Monitor - OxyByte
SpO2 Pulse Oximeter O2 Level
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
(7)
free with in-app purchases
12
Heart Rate Tracker: PulseCheck
Heart Rate Tracker: PulseCheck
Heart Rate Tracker: PulseCheck
Pulsebit Monitor & Health HR
Free
🌟 Lifestyle
(0)
13
Welltory: Stress & Heart Rate
Welltory: Stress & Heart Rate
Welltory: Stress & Heart Rate
HRV, 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
(132K)
freemium
14
Breath - Increase Blood Oxygen
Breath - Increase Blood Oxygen
Breath - Increase Blood Oxygen
Train & Monitor Saturation
Free
🏥 Medical
(0)
15
Blood Oxygen App+
Blood Oxygen App+
Blood Oxygen App+
Heart Rate Monitor Diary
Free

Easily track and monitor your blood oxygen levels and heart rate with a modern, user-friendly interface. Log your measurements, access recent data, and export your records for personal tracking.

Track blood oxygen levelMonitor heart rateLog measurements
🏥 Medical
(474)
free with in-app purchases
16
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
17
BloodOxygenMonitor
BloodOxygenMonitor
BloodOxygenMonitor
blood oxygen monitoring
Free
$0.99 | 100% OFF
💪 Health & Fitness
(0)
18
PulseBP Blood Pressure
PulseBP Blood Pressure
PulseBP Blood Pressure
Check, Monitor BP Pulse Heart
Free
💪 Health & Fitness
(0)
19
ToolsCylinder
ToolsCylinder
ToolsCylinder
Oxygen Cylinder
Free
💼 Business
(0)
20
ProSomnus® Oxymetrx™ App
ProSomnus® Oxymetrx™ App
ProSomnus® Oxymetrx™ App
Track Every Breath
Free

This app collects physiological data during sleep, including oxygen levels, breathing patterns, and heart metrics, to help users achieve their sleep health goals. It offers personalized comfort and convenience with a focus on equitable health data collection.

Nightly sleep insightsOxygen, breathing, and heart metricsEquitable health data collection
💪 Health & Fitness
(8)
free

FAQ about Blood Oxygen

What are the best blood oxygen apps for iPhone?
Blood Oxygen App tops our blood oxygen apps ranking as of August 2026, with a 4.6-star average from 31K App Store ratings, and it's free to download.
Yes — 18 of the top blood oxygen apps we rank are free to download, including Blood Oxygen App and Apple Health.
Blood Oxygen App has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ blood oxygen apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app allows you to monitor your blood oxygen levels and heart rate. You can use your phone's camera to estimate heart rate and sync with your Apple Watch for blood oxygen readings. It also provides features like data logging, export options, breathing exercises, and sleep reports.
You can monitor your blood oxygen and heart rate by syncing with your Apple Watch. Additionally, the app can estimate your heart rate using your phone's camera. The data can then be logged and tracked within the app.

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