Best Blood Oxygen Monitoring Apps

244+ iOS apps curated and reviewed

4.3 avg rating
18 free apps
Updated August 2026

Whether you're new to blood oxygen monitoring or looking for an upgrade, our curated collection of 244+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Blood Oxygen Monitoring Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (423)NoYesAug 2026
2BloodOxygenMonitorBloodOxygenMonitorFree was $0.99NoYesAug 2026
3Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesAug 2026
4Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoAug 2026
5Blood Oxygen App+Blood Oxygen App+Free4.1★ (474)YesYesAug 2026
6Blood Oxygen Monitor - OxyByteBlood Oxygen Monitor - OxyByteFree3.9★ (7)YesYesAug 2026
7Blood Oxygen Level: AnalyzerBlood Oxygen Level: AnalyzerFree3.9★ (190)NoYesAug 2026
8Oximeter - Track Oxygen SpO2Oximeter - Track Oxygen SpO2Free4.5★ (466)NoYesAug 2026

Top Picks for Blood Oxygen Monitoring

Blood Oxygen | O2 Monitor app+#1

Blood Oxygen | O2 Monitor app+ by Yana Shestakova

Saturation Level + Pulse Rate
Editor's Choice
🏥 Medical
4.6(423 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#3

Blood Oxygen App by AboutMe Apps, Inc.

SpO2 Level Monitor・Heart Rate
Worth Considering
🏥 Medical
4.6😞(31K ratings)
FreeIn-App Purchases
#26in 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 Monitoring 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 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
6
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
7
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
(190)
subscription
8
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
9
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
10
Blood Oxygen App- Watch
Blood Oxygen App- Watch
Blood Oxygen App- Watch
Log & track pulse o2 levels
Free

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.

Blood oxygen (SpO2) logging and trackingAutomatic low oxygen level notificationsHeart rate and HRV monitoring
🏥 Medical
(635)
free with in-app purchases
11
Blood Oxygen Tracker – SpO2
Blood Oxygen Tracker – SpO2
Blood Oxygen Tracker – SpO2
Pulse Oximeter & Heart Rate
Free
🏥 Medical
(0)
12
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
13
Blood Pressure App Free:No Ads
Blood Pressure App Free:No Ads
Blood Pressure App Free:No Ads
Blood Pressure Log & Tracker
Free

Monitor your heart rate, stress levels, and long-term health trends. This app provides instant heart rate checks, stress tracking with relaxation tips, and personalized insights based on your vital signs. Keep all your health data in one secure place.

Instant heart rate checksStress level trackingLong-term health trend analysis
💪 Health & Fitness
(61)
free with in-app purchases
14
Blood Oxygen SpO₂ Tracker
Blood Oxygen SpO₂ Tracker
Blood Oxygen SpO₂ Tracker
Health Trends, Watch & Widgets
Free
$1.99 | 100% OFF

Track your blood oxygen saturation (SpO₂) with smart alerts and historical data. Understand your overall wellness and make informed health decisions with detailed charts and insights on your iPhone and Apple Watch.

View latest SpO₂ measurementDetailed 7-day averages and chartsCustom low reading notifications
💪 Health & Fitness
(128)
free with in-app purchases
15
Wellmy - Heart Rate Monitor
Wellmy - Heart Rate Monitor
Wellmy - Heart Rate Monitor
Instant Blood Pressure Tracker
Free

Monitor your pulse, blood pressure, and stress levels with this app. It offers personalized insights, effortless tracking, and an AI assistant for health tips and diet suggestions. Gain clarity and reassurance about your well-being.

Pulse trackingBlood pressure trendsHRV analysis
💪 Health & Fitness
(13K)
free with in-app purchases
16
Blood Pressure App-HealthPal
Blood Pressure App-HealthPal
Blood Pressure App-HealthPal
Log Sugar & Heart Rate Monitor
Free

This app helps you manage your health by tracking heart rate, blood sugar, blood pressure, and blood oxygen levels. It provides daily data insights, charts, and health tips to empower informed decisions about your well-being.

Heart rate monitoring via cameraBlood sugar trackingBlood pressure recording
💪 Health & Fitness
(290)
ad-supported
17
Temperature + Blood Oxygen app
Temperature + Blood Oxygen app
Temperature + Blood Oxygen app
Thermometer & saturation level
Free

Monitor your body temperature and blood oxygen saturation levels. Visualize your health trends over time with this simple tracking tool. Gain insights into your well-being.

Track body temperatureMonitor blood oxygen levelsView health trends
🏥 Medical
(72)
free with in-app purchases
18
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
19
Cardiora: Blood Pressure
Cardiora: Blood Pressure
Cardiora: Blood Pressure
Heart & blood pressure tracker
Free

Monitor and log your blood pressure, heart rate, blood sugar, and oxygen levels. Track steps and estimate heart age to gain insights into your overall health and well-being.

Blood pressure monitoring and loggingHeart rate and variability trackingBlood sugar level logging
💪 Health & Fitness
(893)
free with in-app purchases
20
Heart Pulse Monitor-Health Log
Heart Pulse Monitor-Health Log
Heart Pulse Monitor-Health Log
Blood Pressure & Oxygen Diary
Free

Monitor your heart health and daily wellness using your smartphone. Measure pulse with your camera, log blood pressure and oxygen levels, and track habits supporting a healthy heart. Includes quick stress tests and notes for comprehensive health records.

Measure pulse with phone cameraLog blood pressureRecord blood oxygen levels
💪 Health & Fitness
(24)
free with in-app purchases

FAQ about Blood Oxygen Monitoring

What are the best blood oxygen monitoring apps for iPhone?
Blood Oxygen | O2 Monitor app+ tops our blood oxygen monitoring apps ranking as of August 2026, with a 4.6-star average from 423 App Store ratings, and it's free to download.
Yes — 18 of the top blood oxygen monitoring apps we rank are free to download, including Blood Oxygen | O2 Monitor app+ and BloodOxygenMonitor.
Blood Oxygen | O2 Monitor app+ has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 244+ blood oxygen monitoring 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 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.

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