Best O2 Saturation Apps

153+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated June 2026

Finding the right o2 saturation app can be overwhelming with so many options. We've analyzed 153+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for O2 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
#28in 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
Oximeter - Track Oxygen SpO2#2

Oximeter - Track Oxygen SpO2 by AVTOSTROI, OOO

Blood O2 Monitor Tracker
Strong Contender
💪 Health & Fitness
4.5(466 ratings)
FreeIn-App Purchases
Oximeter - Track Oxygen SpO2 screenshot 1
Oximeter - Track Oxygen SpO2 screenshot 2
Oximeter - Track Oxygen SpO2 screenshot 3
Oximeter - Track Oxygen SpO2 screenshot 4

"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."

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

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!

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 O2 Saturation apps to explore

4
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)
5
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)
6
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)
7
Blood Oxygen Monitor - OxyByte
Blood Oxygen Monitor - OxyByte
Blood Oxygen Monitor - OxyByte
SpO2 Respiration Health O2 App
Free
🏥 Medical
(0)
8
O2 Care - SpO2 HRV Biofeedback
O2 Care - SpO2 HRV Biofeedback
O2 Care - SpO2 HRV Biofeedback
Sleep Breathe Inner Balance
Free

This application helps analyze and improve sleep and stress-related problems by tracking and analyzing sleep, oxygen levels, and heart rate variability, providing insights into mind-body health and potential risks. It also offers a breathing exercise feature to reduce stress, improve heart rate variability, and enhance sleep quality, sign up now to take control of your inner balance.

💪 Health & Fitness
(46)
9
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)
10
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)
11
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)
12
SleepWatch - Top Sleep Tracker
SleepWatch - Top Sleep Tracker
SleepWatch - Top Sleep Tracker
Tracker, Sounds, Alarm & Coach
Free

Track your sleep patterns, get personalized insights, and wake up refreshed with SleepWatch's comprehensive sleep tracking, soothing sounds, and smart alarm features. Start optimizing your sleep today.

💪 Health & Fitness
(329K)
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
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
(9.6K)
15
Masimo Personal Health
Masimo Personal Health
Masimo Personal Health
by Masimo Corporation
Free
💪 Health & Fitness
(65)
16
iFORA O2
iFORA O2
iFORA O2
Sleep SpO2 HRV Breathe Balance
Free

This application helps analyze and improve sleep apnea and mind-body related problems by integrating with a Bluetooth Pulse Oximeter and Intelligent Cloud Analysis System, providing features such as sleep SpO2 analysis, HRV analysis, and resonance breathing exercises. By using this app, you can gain insights into your sleep and health, track changes, and receive personalized recommendations for improvement.

💪 Health & Fitness
(18)
17
Pulse Plus: Heart Rate Monitor
Pulse Plus: Heart Rate Monitor
Pulse Plus: Heart Rate Monitor
Blood Pressure・Oxygen Tracker
Free

Track your heart rate and blood pressure with ease using Pulse Plus. Monitor your health trends and stay on top of your well-being. Download now for a healthier you!

💪 Health & Fitness
(3.6K)
18
Walbum™ - Watch Faces Gallery
Walbum™ - Watch Faces Gallery
Walbum™ - Watch Faces Gallery
Live Watch Faces, DIY Widgets
Free

Discover curated watch face libraries and widgets for your Apple Watch with high customization options to create your unique style. Download beautiful wallpapers, sync albums, and access exclusive watch faces with premium memberships for just $0.99 per month. Try it today and redefine your watch face experience!

🌟 Lifestyle
(33K)
19
Masimo SafetyNet
Masimo SafetyNet
Masimo SafetyNet
by Masimo Corporation
Free

A secure cloud-based platform that enables remote patient management through interactive CarePrograms delivered to smartphones. The application actively reminds patients to follow their care plan, captures monitoring data from Radius PPG sensors, and securely sends it to clinicians for evaluation. Integrate with Apple Health to share collected measurements.

🏥 Medical
(365)
20
PacMeta Oxygen Saturation
PacMeta Oxygen Saturation
PacMeta Oxygen Saturation
by Pacific Meta Pte Ltd
Free
📚 Education
(0)