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
#24in 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 blood oxygen levels and heart rate using your phone's camera or by syncing with your Apple Watch. Track vital signs, share data with your doctor, and access curated health articles. Includes breathing exercises and sleep reports.

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
#38in 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 using your iPhone's camera and log blood pressure and oxygen saturation. Receive daily wellness assessments, habit tracking, and emotional wellbeing tools. This app is for fitness and general wellness information.

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

Easily track and monitor your blood oxygen levels and heart rate with a modern, user-friendly interface. Log your measurements, access recent data, and export your records for personal tracking.

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 analyze vital health metrics including blood pressure, heart rate, blood sugar, and oxygen saturation. Gain insights through intelligent analysis, clear charts, and practical health tips. Export your data to share with healthcare professionals.

Track Blood Pressure & Heart RateMeasure Heart Rate with CameraLog Blood Sugar & Oxygen Saturation
💪 Health & Fitness
(6.5K)
free with in-app purchases
5
Blood Pressure App
Blood Pressure App
Blood Pressure App
BP monitor & smart tracker
Free

Track, analyze, and share your blood pressure readings with advanced insights and AI-powered recommendations. Monitor trends, generate reports for doctors, and integrate with Apple Health for a comprehensive health profile. Includes features for glucose, temperature, heart rate, and wellness exercises.

Record and monitor blood pressure readingsAnalyze BP trends with graphsMulti-profile support
💪 Health & Fitness
(4.6K)
freemium
6
iCardiac: Heart Rate & Health
iCardiac: Heart Rate & Health
iCardiac: Heart Rate & Health
Heart Rate, Blood Pressure App
Free

Monitor your heart health and overall well-being with advanced tracking and AI-powered insights. Analyze heart rate, blood pressure, and mood to understand your body's signals and receive personalized health guidance.

Precise heart monitoring (HR, HRV)Blood pressure, temperature, SpO2 trackingMood and emotion correlation
💪 Health & Fitness
(26K)
free with in-app purchases
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 using your phone's camera with this easy-to-use app. It utilizes photoplethysmography to provide accurate pulse measurements and visualizes your data over time. Integrate with Apple Health and receive reminders to stay on top of your fitness goals.

Heart rate measurement via phone cameraPhotoplethysmography (PPG) technologyPersonalized measurement history dashboard
💪 Health & Fitness
(3.6K)
subscription
8
Blood Oxygen Level
Blood Oxygen Level
Blood Oxygen Level
Record pulse and oxygen level
Free

Easily record your daily pulse and blood oxygen levels. Track your health statistics over time with simple data entry and clear visualizations. Requires an external device like a pulse oximeter or smartwatch for measurements.

Record pulse measurementsRecord blood oxygen levelsDaily measurement tracking
🏥 Medical
(1.8K)
ad-supported
9
Blood Oxygen | O2 Monitor app+
Blood Oxygen | O2 Monitor app+
Blood Oxygen | O2 Monitor app+
Saturation Level + Pulse Rate
Free

Track your blood oxygen saturation (SpO2) and pulse rate daily. Log readings from your oximeter, monitor your normal range, and stay informed about your health. Features include a log diary, multi-profile support, and Apple Health synchronization.

Log oxygen saturation (SpO2) and pulse rateFast and accurate pulse measurementMulti-profile support for family members
🏥 Medical
(379)
freemium
10
Welltory: Health, Heart Rate
Welltory: Health, Heart Rate
Welltory: Health, Heart Rate
Stress, Sleep, BP, O2 Monitor
Free

This app helps you understand your body's signals by analyzing heart rate variability and integrating data from over 1,000 devices and apps. It provides science-backed insights into sleep, stress, heart health, and activity to help you feel better and optimize your wellness.

Heart rate variability analysisSleep quality insightsStress monitoring
💪 Health & Fitness
(130K)
freemium
11
i-Heart: Heart Rate Monitor
i-Heart: Heart Rate Monitor
i-Heart: Heart Rate Monitor
blood pressure & pulse Tracker
Free

This app helps you monitor and manage your heart health by tracking heart rate, blood pressure, and pulse. It provides personalized analysis, trend charts, and daily recommendations to improve your well-being and understand your stress levels.

Personalized heart health analysisHeart rate, blood pressure, and pulse trackingVisualization and trend analysis
💪 Health & Fitness
(5.1K)
free with in-app purchases
12
Heart Rate Monitor - Pulse BPM
Heart Rate Monitor - Pulse BPM
Heart Rate Monitor - Pulse BPM
Pulse: Step,Health HR&Oximeter
Free

Easily monitor your heart rate, track steps, and record vital health metrics like blood pressure and body temperature. Save and visualize your health data, set reminders, and share your progress with friends and family. This app provides convenient health insights for daily well-being.

Measure heart rate anywhereTrack steps, blood pressure, and body temperatureSave and visualize health data
💪 Health & Fitness
(128K)
freemium
13
Heart Rate: Pulse Monitor & BP
Heart Rate: Pulse Monitor & BP
Heart Rate: Pulse Monitor & BP
Blood Pressure & Pulse Point
Free

Monitor your heart rate, pulse, and blood pressure with this comprehensive health companion. Track trends, log readings, and gain insights into your cardiovascular health. Includes features for stress monitoring and sleep improvement.

Instant heart rate measurementBlood pressure trackingPulse trend analysis
💪 Health & Fitness
(2.5K)
free with in-app purchases
14
PulseFlow-Heart Rate Monitor
PulseFlow-Heart Rate Monitor
PulseFlow-Heart Rate Monitor
Log Blood Pressure &Heart Rate
Free

This app helps you monitor and understand your heart health. It allows you to track heart rate, blood pressure, blood oxygen, and blood sugar, providing personalized insights and reports to improve your overall wellness.

Measure heart rate with phone cameraTrack blood pressure trendsMonitor blood oxygen levels
💪 Health & Fitness
(1.7K)
freemium
15
My Pulse: Heart Rate Monitor
My Pulse: Heart Rate Monitor
My Pulse: Heart Rate Monitor
Health, Blood pressure, Oxygen
Free

Track your heart rate, blood pressure, and blood oxygen levels directly from your iPhone. Log vital metrics, monitor your BMI, and access a knowledge hub for heart health. Secure data storage and Apple Watch integration ensure convenient health management.

Heart rate monitoring via cameraLog blood pressure and oxygen levelsBMI calculation and tracking
💪 Health & Fitness
(1.8K)
freemium
16
HeartFit - Heart Rate Monitor
HeartFit - Heart Rate Monitor
HeartFit - Heart Rate Monitor
Pulse Tracker & Blood Pressure
Free

This app uses your phone's camera to measure your heart rate and blood pressure. It provides historical data, health insights, and personalized tips for a healthier lifestyle. It also includes personality tests and guided meditations.

Measure heart rate using phone cameraTrack blood pressureAnalyze heart health index
🌟 Lifestyle
(4.6K)
free with in-app purchases
17
Heart Rate Monitor: Pulse
Heart Rate Monitor: Pulse
Heart Rate Monitor: Pulse
Blood Pressure & ECG Watch, O2
Free

Track your heart rate and blood pressure using your iPhone camera. Log your health data, view pulse waveforms, and calculate BMI. Access heart-healthy recipes and relaxing music.

Heart rate measurement via iPhone cameraApple Watch synchronizationBlood pressure and oxygen saturation logging
💪 Health & Fitness
(6.7K)
free with in-app purchases
18
Blood Pressure Tracker SmartBP
Blood Pressure Tracker SmartBP
Blood Pressure Tracker SmartBP
Smart BP Heart Monitor Log App
Free

Log, monitor, and analyze blood pressure and heart measurements. Automatically calculate BMI, pulse pressure, and mean arterial pressure. Share reports with healthcare providers and track progress with clear graphs and statistics.

Log blood pressure, pulse, and weightAutomatic BMI, PP, and MAP calculationSync with Bluetooth BP monitors
🏥 Medical
(57K)
free with in-app purchases
19
Health Monitor: Sugar & BP
Health Monitor: Sugar & BP
Health Monitor: Sugar & BP
Heart Rate & BP Tracker
Free

Monitor your heart rate, blood pressure, blood sugar, and blood oxygen levels. Analyze trends, gain insights into your body's balance, and access health education. Integrates with Apple Health for comprehensive health management.

Heart rate measurement via cameraBlood pressure tracking and trendsBlood sugar monitoring
💪 Health & Fitness
(12K)
freemium
20
Pulsedo: Heart Rate Monitor
Pulsedo: Heart Rate Monitor
Pulsedo: Heart Rate Monitor
Blood Pressure & Oxygen Level
Free

Track your pulse, blood pressure, oxygen levels, and body temperature. Analyze your health indicators with detailed measurements and a meditation section to help restore your heart rate. Unlimited access to all features is available with a subscription.

Heart rate monitorStore blood pressure dataSave blood oxygen levels
💪 Health & Fitness
(3.3K)
subscription