Best Free Blood Oxygen App Monitor

242+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated May 2026

Blood Oxygen App is the household name in free blood oxygen app monitor, but it's far from the only option. We track 242+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Free Blood Oxygen App 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
#26in 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
InPulse - Heart Rate Monitor#2

InPulse - Heart Rate Monitor by AIBY Incorporated

Log Blood Pressure & Oxygen
Strong Contender
💪 Health & Fitness
4.6😐(166K ratings)
FreeIn-App Purchases
#36in 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
Blood Oxygen App+#3

Blood Oxygen App+ by Kishan Panchotiya

Heart Rate Monitor Diary
Worth Considering
🏥 Medical
4.1😞(471 ratings)
FreeAdsIn-App Purchases
Blood Oxygen App+ screenshot 1
Blood Oxygen App+ screenshot 2
Blood Oxygen App+ screenshot 3

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.

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

More Free Blood Oxygen App Monitor apps to explore

4
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)
5
Blood Pressure App
Blood Pressure App
Blood Pressure App
BP monitor & smart tracker
Free

Monitor and track your blood pressure levels with ease using this app. Keep a record of your readings, set reminders for medication, and share your progress with your healthcare provider. Take control of your health today!

💪 Health & Fitness
(4.6K)
6
iCardiac: Heart Rate & Health
iCardiac: Heart Rate & Health
iCardiac: Heart Rate & Health
Heart Rate, Blood Pressure App
Free

Monitor and track your heart health with an innovative app that provides precise heart rate monitoring, blood pressure tracking, and personalized insights for optimizing your cardiovascular well-being. Download now for a healthier heart and a fulfilling life.

💪 Health & Fitness
(26K)
7
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)
8
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)
9
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)
10
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)
11
i-Heart: Heart Rate Monitor
i-Heart: Heart Rate Monitor
i-Heart: Heart Rate Monitor
blood pressure & pulse Tracker
Free

Vitarate is a comprehensive heart health tracker app that helps you monitor your blood pressure, pulse, and overall cardiovascular well-being. With personalized data analysis, visualization tools, and daily health recommendations, Vitarate empowers you to take an active role in managing your heart health and achieving optimal wellness.

💪 Health & Fitness
(5.1K)
12
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)
13
Heart Rate: Pulse Monitor & BP
Heart Rate: Pulse Monitor & BP
Heart Rate: Pulse Monitor & BP
Blood Pressure & Pulse Point
Free

Track your heart rate and monitor your pulse with this health care application. Stay informed about your cardiovascular health easily. Download now to take charge of your well-being!

💪 Health & Fitness
(2.4K)
14
PulseFlow-Heart Rate Monitor
PulseFlow-Heart Rate Monitor
PulseFlow-Heart Rate Monitor
Log Blood Pressure &Heart Rate
Free

Monitor your heart, blood pressure, blood oxygen levels, and blood sugar with this all-in-one health tracking app. Download it to start receiving personalized health insights, daily summaries, and actionable suggestions to improve your overall wellbeing.

💪 Health & Fitness
(1.4K)
15
My Pulse: Heart Rate Monitor
My Pulse: Heart Rate Monitor
My Pulse: Heart Rate Monitor
Health, Blood pressure, Oxygen
Free

Monitor your heart rate, blood pressure, oxygen levels, and more with this comprehensive health companion app. Stay informed about your well-being and health trends with real-time monitoring and a wealth of integrative health knowledge. Download now for a healthier you!

💪 Health & Fitness
(1.7K)
16
HeartFit - Heart Rate Monitor
HeartFit - Heart Rate Monitor
HeartFit - Heart Rate Monitor
Pulse Tracker & Blood Pressure
Free

HeartFit is a cutting-edge pulse tracker app that helps you monitor your heart rate in real-time, track your fitness goals, and maintain a healthy lifestyle. Download now to take control of your heart health and stay active effortlessly.

🌟 Lifestyle
(4.6K)
17
Heart Rate Monitor: Pulse
Heart Rate Monitor: Pulse
Heart Rate Monitor: Pulse
Blood Pressure & ECG Watch, O2
Free

Monitor your heart rate, blood pressure, and oxygen levels with ease. Stay on top of your health effortlessly.

💪 Health & Fitness
(6.7K)
18
Tension artérielle SmartBP App
Tension artérielle SmartBP App
Tension artérielle SmartBP App
Smart BP Heart Monitor Log App
Free

Track and monitor your blood pressure effortlessly with an intuitive app that records readings, provides trends, and offers insights for better health management. Take control of your well-being today - download the app now!

🏥 Medical
(3.6K)
19
Health Monitor: Sugar & BP
Health Monitor: Sugar & BP
Health Monitor: Sugar & BP
Heart Rate & BP Tracker
Free

"Health Monitor: Blood Sugar" is a comprehensive health management app that allows you to track and monitor important health indicators such as heart rate, blood pressure, blood oxygen, blood sugar, and BMI. The app provides features like real-time data recording, trend analysis, and health data export to help you better understand and manage your overall well-being. Download the app now and take a step towards a healthier life.

💪 Health & Fitness
(150)
20
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)