Best Apps To Check Oxygen Saturation

219+ iOS apps curated and reviewed

4.1 avg rating
19 free apps
Updated June 2026

Blood Oxygen App is the household name in apps to check oxygen saturation, but it's far from the only option. We track 219+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

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
#24in 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 App+#2

Blood Oxygen App+ by Kishan Panchotiya

Heart Rate Monitor Diary
Strong Contender
🏥 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
Blood Oxygen Level#3

Blood Oxygen Level by Enrique Villahermosa Juara

Record pulse and oxygen level
Worth Considering
🏥 Medical
4.3😞(1.8K 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

More Apps To Check Oxygen Saturation apps to explore

4
Oximeter Tracker Pulse Measure
Oximeter Tracker Pulse Measure
Oximeter Tracker Pulse Measure
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
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
8
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
9
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
10
HeartFit - BP Health Tracker
HeartFit - BP Health Tracker
HeartFit - BP Health Tracker
Pulse Monitor & Self-Care Mate
Free

Monitor vital health metrics like heart rate, blood pressure, and blood sugar using your phone's camera. Track BMI, analyze stress levels, and receive daily health insights for a balanced lifestyle. Achieve peace of mind with comprehensive health tracking.

Heart Rate Measurement via CameraBlood Pressure & Oxygen TrackingBlood Sugar Logging
💪 Health & Fitness
(1.7K)
subscription
11
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
12
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
13
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
14
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
15
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
16
Beyond Oximeter
Beyond Oximeter
Beyond Oximeter
by Intelliworks, LLC
Free

Monitor your vital signs like SpO2, pulse, and respiratory rate in real-time. Record, share, and view trend graphs of your measurements. Requires a Bluetooth-enabled device to function.

Real-time SpO2 and pulse rate monitoringRespiratory rate and PI trackingVital sign trend graphs
💪 Health & Fitness
(76)
free
17
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
18
VitalBeat: Blood Sugar Tracker
VitalBeat: Blood Sugar Tracker
VitalBeat: Blood Sugar Tracker
Heart Rate Monitor & BP Check
Free

Track vital signs like heart rate, blood pressure, blood glucose, and blood oxygen with this comprehensive health monitoring app. It offers intuitive data logging, trend analysis, and secure local storage to help you understand your physical condition and build healthy habits.

Heart Rate TrackingBlood Pressure RecordingBlood Glucose Monitoring
💪 Health & Fitness
(130)
free with in-app purchases
19
Oxygen Calculation Tool
Oxygen Calculation Tool
Oxygen Calculation Tool
by Joshua Savko
$0.99

This app helps medical transport professionals quickly calculate usable oxygen supply based on cylinder pressure and flow rate. It also includes a drip rate calculator for medication math and a reference section with conversion factors. Features a countdown timer and dark mode compatibility.

Oxygen supply calculationDrip rate calculatorCountdown timer
🔍 Reference
(152)
paid
20
Heart Rate: Pulse Monitor Ecg
Heart Rate: Pulse Monitor Ecg
Heart Rate: Pulse Monitor Ecg
Blood pressure & oxygen check
Free

Track your heart rate, blood pressure, and oxygen levels with this health monitoring tool. Gain insights through data visualization and a health journal. Export your health data in PDF format.

Heart rate trackingBlood pressure recordingOxygen saturation monitoring
💪 Health & Fitness
(13)
free with in-app purchases