Best Apps To Check Oxygen Saturation

226+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated July 2026

Blood Oxygen App is the household name in apps to check oxygen saturation, but it's far from the only option. We track 226+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Apps To Check Oxygen Saturation (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesJul 2026
2Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoJul 2026
3Blood Oxygen App+Blood Oxygen App+Free4.1★ (471)YesYesJul 2026
4Blood Oxygen Level: AnalyzerBlood Oxygen Level: AnalyzerFree3.6★ (28)NoYesJul 2026
5Oximeter - Track Oxygen SpO2Oximeter - Track Oxygen SpO2Free4.5★ (466)NoYesJul 2026
6Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (379)NoYesJul 2026
7Blood Pressure App-BP TrackerBlood Pressure App-BP TrackerFree4.5★ (7.6K)YesYesJul 2026
8Inogen Connect Portable OxygenInogen Connect Portable OxygenFree3.6★ (266)NoNoJul 2026

Top Picks for Apps To Check Oxygen Saturation

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
#23in 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
Blood Oxygen Level#2

Blood Oxygen Level by Enrique Villahermosa Juara

Record pulse and oxygen level
Strong Contender
🏥 Medical
4.3😞(2K ratings)
FreeAds
Blood Oxygen Level screenshot 1
Blood Oxygen Level screenshot 2
Blood Oxygen Level screenshot 3
Blood Oxygen Level screenshot 4
Blood Oxygen Level screenshot 5
Blood Oxygen Level screenshot 6

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.

What We Love

  • 👍 Simple and easy interface
  • 🚀 Impressive work
  • 💡 Helpful for recording health conditions

Room to Improve

  • 🐛 Doesn't record anything
  • 🐛 Flickering and freezing issues
  • 🔋 Ads make it unusable
Blood Oxygen App+#3

Blood Oxygen App+ by Kishan Panchotiya

Heart Rate Monitor Diary
Worth Considering
🏥 Medical
4.1😞(471 ratings)
FreeAdsIn-App Purchases
Blood Oxygen App+ screenshot 1
Blood Oxygen App+ screenshot 2
Blood Oxygen App+ screenshot 3

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.

What We Love

  • 💰 Flat one-time price without subscription fatigue
  • ✅ Does exactly what it promises for basic tracking
  • 📊 Simple and straightforward functionality

Room to Improve

  • 🚫 Core measurement functionality doesn't work
  • ❌ Requires manual data entry instead of actual measurement
  • 📱 Not compatible with Apple Watch despite claims

More Apps To Check Oxygen Saturation apps to explore

4
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
5
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
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
(379)
freemium
7
Blood Pressure App-BP Tracker
Blood Pressure App-BP Tracker
Blood Pressure App-BP Tracker
BP Tracker, Monitor & Log
Free

Track and analyze vital health metrics including blood pressure, heart rate, blood sugar, and oxygen saturation. Gain insights through intelligent analysis, clear charts, and practical health tips. Export your data to share with healthcare professionals.

Track Blood Pressure & Heart RateMeasure Heart Rate with CameraLog Blood Sugar & Oxygen Saturation
💪 Health & Fitness
(7.6K)
free with in-app purchases
8
Inogen Connect Portable Oxygen
Inogen Connect Portable Oxygen
Inogen Connect Portable Oxygen
by Inogen, Inc.
Free

Monitor your portable oxygen concentrator's battery life, settings, and receive important updates. Access helpful videos and troubleshooting information 24/7, all from your mobile device.

Real-time statsBattery life monitoringCurrent settings display
🏥 Medical
(266)
free
9
PulseTrackr:Heart Rate & HRV
PulseTrackr:Heart Rate & HRV
PulseTrackr:Heart Rate & HRV
Log Blood Pressure & Oxygen
Free

Monitor your heart health with this app. It measures heart rate using your phone, tracks stress and HRV, and records blood pressure, blood oxygen, and sleep patterns. It also includes features for smoking cessation and habit reminders.

Heart rate measurement via phoneStress and HRV trackingBlood pressure and oxygen recording
💪 Health & Fitness
(4.2K)
free with in-app purchases
10
iPulse - Check Heart Rate & BP
iPulse - Check Heart Rate & BP
iPulse - Check Heart Rate & BP
Heart Health Tracker & Monitor
Free

Monitor your heart rate, blood oxygen, weight, and more using your phone's camera. Get insights into your cardiovascular health and daily activity. Offers guidance for abnormal heart rate patterns and integrates with HealthKit.

Heart Rate Monitoring via cameraBlood Oxygen TrackingWeight Logging
💪 Health & Fitness
(766)
freemium
11
Pulsedo: Heart Rate Monitor
Pulsedo: Heart Rate Monitor
Pulsedo: Heart Rate Monitor
Blood Pressure & Oxygen Level
Free

Track your pulse, blood pressure, oxygen levels, and body temperature. Analyze your health indicators with detailed measurements and a meditation section to help restore your heart rate. Unlimited access to all features is available with a subscription.

Heart rate monitorStore blood pressure dataSave blood oxygen levels
💪 Health & Fitness
(3.3K)
subscription
12
Microlife Connected Health+ US
Microlife Connected Health+ US
Microlife Connected Health+ US
by Microlife
Free

Manage your personal health by tracking readings from connected Microlife devices like blood pressure monitors and thermometers. Set personal targets, reminders, and generate data summary reports to maintain a healthier lifestyle. Easily review trends, add notes, and share your health data with family or doctors.

Transfer measurement data via BluetoothReview measurement trends and entriesAdd notes with text, photo, or audio
💪 Health & Fitness
(2K)
free
13
Healthy Life-Heart&Diet Health
Healthy Life-Heart&Diet Health
Healthy Life-Heart&Diet Health
Heart Rate Monitor&Meditation
Free

Monitor your heart rate, blood pressure, and oxygen levels using just your phone. Track long-term trends, log vital signs, and access health reports. Includes guided meditation and heart-healthy diet advice for overall well-being.

Phone-based pulse detectionTrack heart rate trendsLog blood pressure and oxygen
🌟 Lifestyle
(3.5K)
free with in-app purchases
14
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
(611)
free with in-app purchases
15
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
16
Instant Pulse - Blood Pressure
Instant Pulse - Blood Pressure
Instant Pulse - Blood Pressure
Heart Mate, AFib, Oxygen,HRV
Free

Monitor and manage your pulse rate, rhythm, blood pressure, and oxygen levels using your smartphone camera. Quickly check your heart rhythm and track vital signs for general health and wellbeing.

Track blood pressure and pulse rateMonitor blood oxygen levelsReal-time pulse monitoring
💪 Health & Fitness
(5.2K)
subscription
17
Masimo Personal Health
Masimo Personal Health
Masimo Personal Health
by Masimo Corporation
Free

Track and trend your biometric data to inform lifestyle changes for improved health and athletic performance. View real-time measurements, historical trends, and share your progress. Requires a compatible device.

Real-time measurement viewingMeasurement history tracking and trendingData sharing via email and social media
💪 Health & Fitness
(65)
free
18
Libre by Abbott
Libre by Abbott
Libre by Abbott
Continuous Glucose Monitoring
Free

This app provides continuous glucose monitoring for individuals with diabetes. It automatically updates glucose readings to your phone every minute and offers insights into trends and settings. Compatible with specific FreeStyle Libre sensors, it aids in managing diabetes by tracking glucose levels.

Continuous glucose monitoringAutomatic readings every minuteGlucose trend insights
🏥 Medical
(110K)
free
19
PulseFlow-Heart Rate Monitor
PulseFlow-Heart Rate Monitor
PulseFlow-Heart Rate Monitor
Log Blood Pressure &Heart Rate
Free

This app helps you monitor and understand your heart health. It allows you to track heart rate, blood pressure, blood oxygen, and blood sugar, providing personalized insights and reports to improve your overall wellness.

Measure heart rate with phone cameraTrack blood pressure trendsMonitor blood oxygen levels
💪 Health & Fitness
(1.7K)
freemium
20
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

FAQ about Apps To Check Oxygen Saturation

What are the best apps to check oxygen saturation for iPhone?
Blood Oxygen App tops our apps to check oxygen saturation ranking as of July 2026, with a 4.6-star average from 31K App Store ratings, and it's free to download.
Yes — 19 of the top apps to check oxygen saturation we rank are free to download, including Blood Oxygen App and Blood Oxygen Level.
Blood Oxygen App has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 226+ apps to check oxygen saturation on the iOS App Store as of July 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.