Best Free Oximeter Apps

227+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated June 2026

Out of 227+ free oximeter apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Free Oximeter

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
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 record your blood oxygen saturation (SpO2) levels with this personal health tracking app. It offers detailed analytics, daily wellness guides, and data export options. Sync your health data with Apple Health for a comprehensive overview.

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
#33in 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

More Free Oximeter apps to explore

4
Apple Health
Apple Health
Apple Health
by Apple Distribution International
Free

Consolidate and securely store your health and fitness data from various sources. Visualize trends, track progress, and gain insights into your well-being. Share information with trusted individuals and manage medications and mental health.

Centralized health data storageVisualize health data with chartsTrack steps, sleep, and vitals
💪 Health & Fitness
(7.7K)
free
5
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
6
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
7
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
8
Instant Heart Rate: HR Monitor
Instant Heart Rate: HR Monitor
Instant Heart Rate: HR Monitor
Pulse Tracker & Stress Test
Free

Measure your heart rate and stress levels accurately using your phone's camera. Track trends, view pulse waveforms, and utilize a StandUp test for fitness insights. Integrates with Apple Health.

Heart rate measurementStress level checkPulse waveform graphs
💪 Health & Fitness
(229K)
free with in-app purchases
9
Instant Pulse - Blood Pressure
Instant Pulse - Blood Pressure
Instant Pulse - Blood Pressure
Heart Mate, AFib, Oxygen,HRV
Free

Monitor and manage your pulse rate, rhythm, blood pressure, and oxygen levels using your smartphone camera. Quickly check your heart rhythm and track vital signs for general health and wellbeing.

Track blood pressure and pulse rateMonitor blood oxygen levelsReal-time pulse monitoring
💪 Health & Fitness
(5.2K)
subscription
10
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
11
Oximeter Tracker Pulse Measure
Oximeter Tracker Pulse Measure
Oximeter Tracker Pulse Measure
O2, pulse calculator: Tracker
Free

Track your blood oxygen saturation levels and monitor changes over time. Log additional symptoms to gain a more comprehensive understanding of your condition. Supports multiple user profiles and synchronizes with HealthKit for pulse and oxygen data.

Oxygen saturation trackingSymptom loggingHistory of changes
🏥 Medical
(28)
subscription
12
Beyond Oximeter
Beyond Oximeter
Beyond Oximeter
by Intelliworks, LLC
Free

Monitor your vital signs like SpO2, pulse, and respiratory rate in real-time. Record, share, and view trend graphs of your measurements. Requires a Bluetooth-enabled device to function.

Real-time SpO2 and pulse rate monitoringRespiratory rate and PI trackingVital sign trend graphs
💪 Health & Fitness
(76)
free
13
Hearty : Heart Rate,Stress, BP
Hearty : Heart Rate,Stress, BP
Hearty : Heart Rate,Stress, BP
Blood Pressure, Sleep & SpO2
Free

This app uses AI and your device's camera to monitor vital health metrics like heart rate, blood pressure, and stress levels. It provides detailed visual insights and personalized analysis to help you understand your well-being. Integrates with Apple Health for comprehensive tracking.

AI health analysisCamera pulse measurementBlood pressure tracking
💪 Health & Fitness
(7.5K)
free with in-app purchases
14
iHealth MyVitals
iHealth MyVitals
iHealth MyVitals
by iHealth Labs Inc.
Free

Easily manage and view your health data by connecting iHealth devices. Store measurements securely in the cloud, visualize trends with graphs, and share updates with your care team. Sync data with HealthKit for comprehensive health monitoring.

Health data managementCloud data storageDevice connectivity
💪 Health & Fitness
(129K)
free
15
Blood Oxygen App- Watch
Blood Oxygen App- Watch
Blood Oxygen App- Watch
Log & track pulse o2 levels
Free

Monitor and manage vital health metrics like blood oxygen, heart rate, and blood pressure. Receive automatic alerts for critical changes and utilize breathing exercises for relaxation. Syncs with Apple Health for a comprehensive view of your well-being.

Blood oxygen (SpO2) logging and trackingAutomatic low oxygen level notificationsHeart rate and HRV monitoring
🏥 Medical
(605)
free with in-app purchases
16
Heart Rate Monitor - Pulse
Heart Rate Monitor - Pulse
Heart Rate Monitor - Pulse
Pulse & Stress Analyzer, HRV
Free

Monitor and analyze your heart rate, blood pressure, stress, and oxygen levels. Track trends, gain insights into your wellbeing, and export your data. Receive daily reminders to stay consistent with your health monitoring.

Heart Rate Measurement & AnalysisBlood Pressure LogStress & Energy Tracking
🌟 Lifestyle
(29)
free with in-app purchases
17
Heart Rate Monitor +++
Heart Rate Monitor +++
Heart Rate Monitor +++
Instant Pulse BPM
Free

Measure your pulse instantly using your iPhone's camera without any extra devices. Track your daily and monthly heart rate history to stay informed about your health during rest or exercise.

Instant heart rate measurementUses iPhone camera, no accessories neededDaily statistics
💪 Health & Fitness
(1.3K)
free with in-app purchases
18
Blood Oxygen App+
Blood Oxygen App+
Blood Oxygen App+
Heart Rate Monitor Diary
Free

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.

Track blood oxygen levelMonitor heart rateLog measurements
🏥 Medical
(471)
free with in-app purchases
19
CareMeOximeter
CareMeOximeter
CareMeOximeter
by Shenzhen DuXing Trade Co., Ltd.
Free

This app pairs with a finger pulse oximeter to record and display test results as curves. It allows for adding family members and setting custom high/low value alarms for PR, SpO2, and PI.

Record test resultsDisplay data as curvesAdd family members
🏥 Medical
(9)
free
20
HeartFit - BP Health Tracker
HeartFit - BP Health Tracker
HeartFit - BP Health Tracker
Pulse Monitor & Self-Care Mate
Free

Monitor vital health metrics like heart rate, blood pressure, and blood sugar using your phone's camera. Track BMI, analyze stress levels, and receive daily health insights for a balanced lifestyle. Achieve peace of mind with comprehensive health tracking.

Heart Rate Measurement via CameraBlood Pressure & Oxygen TrackingBlood Sugar Logging
💪 Health & Fitness
(1.7K)
subscription