Best Blood Oxygen Apps

229+ iOS apps curated and reviewed

4.3 avg rating
18 free apps
Updated June 2026

The best blood oxygen apps on iPhone average 4.3★ across 229+ titles — we've ranked them by what real users actually keep on their phones. Updated June 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
#26in Medical
Blood Oxygen App screenshot 1
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Blood Oxygen App screenshot 3
Blood Oxygen App screenshot 4
Blood Oxygen App screenshot 5
Blood Oxygen App screenshot 6

Monitor your blood oxygen level and heart rate effortlessly with our app and sync your Apple Watch for alerts about low levels. Easily track and log vital signs, take oxygen tests, estimate heart rate with the camera, and practice box breathing for calm—all in one app. Download now for free and stay informed about your cardiovascular health.

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 Inc.

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

The app provides a centralized hub for storing and tracking health and fitness data from various devices and third-party apps. Users can visualize their data through interactive charts, set goals, track progress, share information with caregivers, and access educational articles. Take control of your health and wellness today!

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😐(601 ratings)
FreeIn-App Purchases
#100in Medical
Blood Oxygen App- Watch screenshot 1
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Blood Oxygen App- Watch screenshot 3
Blood Oxygen App- Watch screenshot 4
Blood Oxygen App- Watch screenshot 5
Blood Oxygen App- Watch screenshot 6

Track and monitor your blood oxygen levels with ease using this app on your smartwatch. Stay informed about your health on the go. Download now for peace of mind.

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

Monitor your oxygen saturation levels and pulse rate daily with this essential tracker app. Keep track of your health, set normal levels, sync data to Apple Health, and enjoy features like multi-profile support and daily reminders. Stay informed and stay healthy!

🏥 Medical
(379)
5
Blood Oxygen Level
Blood Oxygen Level
Blood Oxygen Level
Record pulse and oxygen level
Free

Track your pulse and blood oxygen levels daily with ease using this app. Simply record your measurements and view your statistics over time. Get started now to monitor your health more effectively!

🏥 Medical
(1.8K)
6
Blood Oxygen App+
Blood Oxygen App+
Blood Oxygen App+
Heart Rate Monitor Diary
Free

Track and monitor your blood oxygen level and heart rate with a modern and user-friendly app. Easily log your measurements, access recent data, and export information. Remember, this app is not a substitute for professional medical advice.

🏥 Medical
(471)
7
O₂ Buddy: Blood Oxygen
O₂ Buddy: Blood Oxygen
O₂ Buddy: Blood Oxygen
SpO2 Levels ar A Glance
$0.99

View your blood oxygen readings in real-time, with instant data syncing from HealthKit, and track your daily averages to better understand your wellness trends. Download now to stay on top of your health and wellness.

💪 Health & Fitness
(41)
8
Blood Pressure Tracker Journal
Blood Pressure Tracker Journal
Blood Pressure Tracker Journal
Heart Rate Monitor Checker
Free

Track your daily blood pressure, pulse, and fitness progress with this comprehensive wellness tracker, ideal for athletes, fitness enthusiasts, and individuals seeking to understand their body better. Log your stats, view trends, and export your data for personal records, with optional premium features and secure data storage.

🔧 Utilities
(25)
9
InPulse - Heart Rate Monitor
InPulse - Heart Rate Monitor
InPulse - Heart Rate Monitor
Log Blood Pressure & Oxygen
Free

Monitor your heart rate and log blood pressure easily with this application. Track your health metrics and stay informed about your cardiovascular well-being. Download now for a comprehensive view of your heart health.

💪 Health & Fitness
(166K)
10
Blood Oxygen SpO2 Tracker
Blood Oxygen SpO2 Tracker
Blood Oxygen SpO2 Tracker
Pulse Oximeter Tracker
Free
$1.99 | 100% OFF

Monitor your blood oxygen levels conveniently with this app on your Apple Watch Series 6. Stay on top of your wellness by tracking your oxygen saturation directly from your wrist and integrating with the Health app for easy access and insights.

💪 Health & Fitness
(126)
11
Oximeter Tracker Pulse Measure
Oximeter Tracker Pulse Measure
Oximeter Tracker Pulse Measure
O2, pulse calculator: Tracker
Free

Track and monitor your blood oxygen levels easily with this app. Record data, track symptoms, view history, create multiple profiles, and sync with Health Kit for pulse and oxygen information. Remember, it's not a medical device, consult a doctor for accurate readings. Start taking control of your oxygen levels today!

🏥 Medical
(28)
12
Oximeter - Track Oxygen SpO2
Oximeter - Track Oxygen SpO2
Oximeter - Track Oxygen SpO2
Blood O2 Monitor Tracker
Free

"Monitor and track your Oxygen Saturation levels with detailed analytics and daily care guides using our personal health management app. Sync data with Apple Health, export to PDF, and enjoy ad-free experience. Contact us for more information or visit our Privacy Policy and Terms and Conditions for details."

💪 Health & Fitness
(466)
13
Welltory: Health, Heart Rate
Welltory: Health, Heart Rate
Welltory: Health, Heart Rate
Stress, Sleep, BP, O2 Monitor
Free

Monitor heart rate, stress level, and blood pressure with this app designed to help you track and improve your overall well-being. Take control of your health today with real-time data and personalized insights. Download now to start your wellness journey!

💪 Health & Fitness
(129K)
14
Heart Rate Monitor - Pulse BPM
Heart Rate Monitor - Pulse BPM
Heart Rate Monitor - Pulse BPM
Pulse: Step,Health HR&Oximeter
Free

Track your heart rate with ease using Pulse BPM. Monitor your pulse in real-time, keep track of your health, and stay on top of your fitness goals. Download now and take control of your heart health!

💪 Health & Fitness
(128K)
15
SPO2er: Blood Oxygen on Watch
SPO2er: Blood Oxygen on Watch
SPO2er: Blood Oxygen on Watch
SPO₂ Monitoring from HealthKit
$0.99
💪 Health & Fitness
(2)
16
BloodOxygenMonitor
BloodOxygenMonitor
BloodOxygenMonitor
blood oxygen monitoring
Free
$0.99 | 100% OFF
💪 Health & Fitness
(0)
17
Blood Oxygen
Blood Oxygen
Blood Oxygen
by Apple Distribution International
Free

Monitor your blood oxygen levels directly from your wrist with the app, providing on-demand measurements and insights into your overall wellness. Get periodic background measurements throughout the day and store all data in the Health app on your iPhone.

💪 Health & Fitness
(128)
18
VitalPulse: Heart Rate Monitor
VitalPulse: Heart Rate Monitor
VitalPulse: Heart Rate Monitor
Blood pressure, Pulse Tracker
Free

Use your phone's camera to measure your heart rate and track your progress with easy-to-read metrics, gaining instant health insights and building better habits over time. Take control of your health with this quick, simple, and non-invasive heart rate monitoring tool.

💪 Health & Fitness
(51)
19
Heart Analyzer: Pulse Tracker
Heart Analyzer: Pulse Tracker
Heart Analyzer: Pulse Tracker
Watch Health & Cardio Metrics
Free

Track your heart rate, analyze your pulse, and monitor your overall health with real-time updates. Stay on top of your well-being with personalized insights and trends to help you achieve your fitness goals effortlessly.

💪 Health & Fitness
(22K)
20
Instant Pulse - Blood Pressure
Instant Pulse - Blood Pressure
Instant Pulse - Blood Pressure
Heart Mate, AFib, Oxygen,HRV
Free

Monitor and manage your pulse rate, blood pressure, oxygen levels with a smartphone app. Features include real-time monitoring, notifications, integration with Apple Health, and quick measurements using PPG technology. Take control of your heart health and wellbeing with Instant Pulse - Blood Pressure.

💪 Health & Fitness
(5.2K)