Best Free Oxygen Monitor Level Apps

222+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated June 2026

If you already know Blood Oxygen App, this is the deeper bench. 222+ free oxygen monitor level apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Top Picks for Free Oxygen Monitor Level

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 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 Level#2

Blood Oxygen Level by Enrique Villahermosa Juara

Record pulse and oxygen level
Strong Contender
🏥 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
Blood Oxygen | O2 Monitor app+#3

Blood Oxygen | O2 Monitor app+ by Yana Shestakova

Saturation Level + Pulse Rate
Worth Considering
🏥 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!

More Free Oxygen Monitor Level apps to explore

4
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)
5
Pulsedo: Heart Rate Monitor
Pulsedo: Heart Rate Monitor
Pulsedo: Heart Rate Monitor
Blood Pressure & Oxygen Level
Free

Track your heart rate and blood pressure effortlessly with Pulsedo; stay informed about your cardiovascular health with real-time monitoring and personalized insights. Download now to prioritize your well-being.

💪 Health & Fitness
(3.3K)
6
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)
7
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)
8
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)
9
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)
10
Blood Oxygen Monitoring
Blood Oxygen Monitoring
Blood Oxygen Monitoring
Herzfrequenz und Pulsmesser
Free
🏥 Medical
(0)
11
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)
12
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)
13
iHeart-Pulse Rate Monitor App.
iHeart-Pulse Rate Monitor App.
iHeart-Pulse Rate Monitor App.
Log body info:Smart BP Tracker
Free

Track your heart rate accurately and stay healthy with our Heartbeat Test app. Measure your heart rate daily, record your weight, and use the Step Counter function to monitor your physical activity. Stay informed about your health status and fitness levels effortlessly.

💪 Health & Fitness
(6.8K)
14
BloodPressure-Level Checker
BloodPressure-Level Checker
BloodPressure-Level Checker
by THREE PANDA DIGITAL LIMITED
Free

Track your blood pressure and heart rate with precision, visualize trends, and receive expert health insights to take control of your heart health. Download the app to start monitoring your vital signs and staying proactive about your cardiovascular wellness.

💪 Health & Fitness
(93)
15
HeartFit - BP Health Tracker
HeartFit - BP Health Tracker
HeartFit - BP Health Tracker
Pulse Monitor & Self-Care Mate
Free

A comprehensive health tracking app designed to monitor and manage blood pressure levels, heart rate, and overall cardiovascular health. Stay on top of your well-being with personalized insights and tracking features. Download now to take control of your heart health.

💪 Health & Fitness
(1.7K)
16
BalanceMe-Health AI&Self Care
BalanceMe-Health AI&Self Care
BalanceMe-Health AI&Self Care
Heart Rate Monitor&Blood Sugar
Free

"Track your health, meals, workouts, and sleep all in one place with personalized insights and recommendations tailored to your goals. Take control of your well-being today and make positive lifestyle changes effortlessly."

🌟 Lifestyle
(4.8K)
17
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)
18
Blood Oxygen App- Watch
Blood Oxygen App- Watch
Blood Oxygen App- Watch
Log & track pulse o2 levels
Free

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.

🏥 Medical
(2)
19
Health Coach-Fit&Heart Health
Health Coach-Fit&Heart Health
Health Coach-Fit&Heart Health
Workout & Heart Rate Monitor
Free

Get personalized workout plans, track your fitness progress, set goals, and receive expert guidance with our Health Coach-Fit app! Sign up now for a healthier, fitter you.

🌟 Lifestyle
(2.4K)
20
Healthy Life-Heart&Diet Health
Healthy Life-Heart&Diet Health
Healthy Life-Heart&Diet Health
Heart Rate Monitor&Meditation
Free

Promote heart health with our all-in-one app designed to track your fitness, diet, and overall well-being. Sign up now to take control of your heart health and live a healthier life.

🌟 Lifestyle
(3.5K)