Best Oxygen Saturation Monitor Apps

233+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated May 2026

The best oxygen saturation monitor apps on iPhone average 4.3★ across 233+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Top Picks for Oxygen Saturation Monitor

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
#27in 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 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
Blood Oxygen | O2 Monitor app+#2

Blood Oxygen | O2 Monitor app+ by Yana Shestakova

Saturation Level + Pulse Rate
Strong Contender
🏥 Medical
4.6(379 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

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!

InPulse - Heart Rate Monitor#3

InPulse - Heart Rate Monitor by AIBY Incorporated

Log Blood Pressure & Oxygen
Worth Considering
💪 Health & Fitness
4.6😐(166K ratings)
FreeIn-App Purchases
#31in Health & Fitness
InPulse - Heart Rate Monitor screenshot 1
InPulse - Heart Rate Monitor screenshot 2
InPulse - Heart Rate Monitor screenshot 3
InPulse - Heart Rate Monitor screenshot 4
InPulse - Heart Rate Monitor screenshot 5

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.

What We Love

  • 👍 Accurate heart rate measurements
  • 🚀 Convenient and easy to use
  • 🤖 Helpful health insights and reminders
  • 💻 Integration with Apple Health

Room to Improve

  • 🔒 Concerns about privacy and data security
  • 💰 Expensive subscription model
  • 🐛 Inconsistent and inaccurate readings

More Oxygen Saturation Monitor apps to explore

4
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)
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
Heart Rate: Pulse Monitor Ecg
Heart Rate: Pulse Monitor Ecg
Heart Rate: Pulse Monitor Ecg
Blood pressure & oxygen check
Free

Monitor your heart rate, track your blood pressure, and view ECG readings with this all-in-one health app. Stay on top of your cardiovascular health easily. Download now for a healthier tomorrow.

💪 Health & Fitness
(13)
7
Heartify: Heart Health Monitor
Heartify: Heart Health Monitor
Heartify: Heart Health Monitor
Pulse & Stress Analyzer, HRV
Free

Monitor your heart health with real-time pulse monitoring, personalized health insights, and activity tracking. Stay informed and proactive about your heart health with Heartify.

💪 Health & Fitness
(118K)
8
PacMeta Oxygen Saturation
PacMeta Oxygen Saturation
PacMeta Oxygen Saturation
by Pacific Meta Pte Ltd
Free
📚 Education
(0)
9
Blood Oxygen Monitor - OxyByte
Blood Oxygen Monitor - OxyByte
Blood Oxygen Monitor - OxyByte
SpO2 Respiration Health O2 App
Free
🏥 Medical
(0)
10
CardioBot: Heart Rate Monitor
CardioBot: Heart Rate Monitor
CardioBot: Heart Rate Monitor
Cardio Activity HRV Tracker
Free

Monitor your heart rate and daily activities with CardioBot, an all-in-one heart rate monitor and activity tracker that provides smart recommendations for improving cardiovascular health. With features like color-coded heart rate readings, workout and meditation data tracking, and sleep analysis, CardioBot offers a comprehensive view of your heart health on your iPhone. Start tracking your heart health today!

💪 Health & Fitness
(245)
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
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)
13
Essential - Healthy Lifestyle
Essential - Healthy Lifestyle
Essential - Healthy Lifestyle
Heart Rate Monitor&Relaxation
Free

Monitor your heart rate, track your fitness goals, and maintain a healthy lifestyle with this app. Stay motivated and improve your overall well-being. Download now and take charge of your health!

💪 Health & Fitness
(7.1K)
14
iPulse - Check Heart Rate & BP
iPulse - Check Heart Rate & BP
iPulse - Check Heart Rate & BP
Heart Health Tracker & Monitor
Free

This application helps you take control of your heart health and overall well-being by tracking key metrics such as heart rate, blood pressure, and blood sugar, while also monitoring daily activity and water intake. By using this app, you can gain valuable insights into your health and make informed choices to live a healthier lifestyle.

💪 Health & Fitness
(766)
15
Cardi Mate: Heart Rate Monitor
Cardi Mate: Heart Rate Monitor
Cardi Mate: Heart Rate Monitor
Heartbeat & Pulse Tracker
Free

Monitor app with real-time heart rate tracking, activity logging, and personalized health insights. Stay on top of your heart health and fitness goals with Cardi Mate. Download now to start tracking your heart rate and improving your well-being.

💪 Health & Fitness
(48K)
16
Temperature + Blood Oxygen app
Temperature + Blood Oxygen app
Temperature + Blood Oxygen app
Thermometer & saturation level
Free

Monitor your body temperature and blood oxygen levels with ease using this innovative app. Keep track of your health metrics and stay informed about any changes. Download now for a healthier you.

🏥 Medical
(72)
17
Microlife Connected Health+ US
Microlife Connected Health+ US
Microlife Connected Health+ US
by Microlife
Free

Microlife Connected Health is a comprehensive health management app for iPhone that allows you to transfer and track measurements from various health devices via Bluetooth®. With features like data transfer, personal targets, reminders, and data sharing, stay on top of your health status and lead a healthier lifestyle. Download now and partner with Microlife for a better life.

💪 Health & Fitness
(2K)
18
Pulse & Heart Rate Monitor
Pulse & Heart Rate Monitor
Pulse & Heart Rate Monitor
HR, Blood Pressure App& Oxygen
Free

Track your pulse and blood pressure with precision using our innovative Heart Rate Monitor app. Monitor your health, receive fitness insights, and improve well-being with features like accurate heart rate measurements, blood pressure logging, breathing exercises, and workout intensity tracking. Stay on top of your fitness levels effortlessly.

💪 Health & Fitness
(6.3K)
19
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)
20
Blood Pressure App-BP Tracker
Blood Pressure App-BP Tracker
Blood Pressure App-BP Tracker
BP Tracker, Monitor & Log
Free

Track and monitor your blood pressure levels easily with this app. Stay on top of your health with regular measurements and personalized health insights. Download now for better blood pressure management.

💪 Health & Fitness
(6.5K)