Best Oxygen Monitor Apps

248+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated August 2026

The best oxygen monitor apps on iPhone average 4.4★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Oxygen Monitor Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesAug 2026
2Instant Heart Rate: HR MonitorInstant Heart Rate: HR MonitorFree4.9★ (229K)YesYesAug 2026
3Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoAug 2026
4Blood Oxygen Level: AnalyzerBlood Oxygen Level: AnalyzerFree3.9★ (190)NoYesAug 2026
5Blood Oxygen App+Blood Oxygen App+Free4.1★ (474)YesYesAug 2026
6InPulse - Heart Rate MonitorInPulse - Heart Rate MonitorFree4.6★ (177K)NoYesAug 2026
7Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (423)NoYesAug 2026
8Pulse Plus: Heart Rate MonitorPulse Plus: Heart Rate MonitorFree4.4★ (3.6K)YesYesAug 2026

Top Picks for Oxygen 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
#18in 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
Instant Heart Rate: HR Monitor#2

Instant Heart Rate: HR Monitor by Bodymatter, Inc.

Pulse Tracker & Stress Test
Strong Contender
💪 Health & Fitness
4.9😐(229K ratings)
FreeAdsIn-App Purchases
Instant Heart Rate: HR Monitor screenshot 1
Instant Heart Rate: HR Monitor screenshot 2
Instant Heart Rate: HR Monitor screenshot 3
Instant Heart Rate: HR Monitor screenshot 4
Instant Heart Rate: HR Monitor screenshot 5
Instant Heart Rate: HR Monitor screenshot 6

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.

What We Love

  • 🚀 Accurate heart rate measurements
  • 📊 Helpful for monitoring heart health
  • 💾 Saves and tracks heart rate history
  • 🆓 Free version available

Room to Improve

  • 🔒 Requires account creation to use
  • 💰 Expensive subscription for full features
  • 📢 Intrusive ads in free version
Blood Oxygen Level#3

Blood Oxygen Level by Enrique Villahermosa Juara

Record pulse and oxygen level
Worth Considering
🏥 Medical
4.3😞(2K 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

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.

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 Oxygen Monitor apps to explore

4
Blood Oxygen Level: Analyzer
Blood Oxygen Level: Analyzer
Blood Oxygen Level: Analyzer
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
(190)
subscription
5
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
(474)
free with in-app purchases
6
InPulse - Heart Rate Monitor
InPulse - Heart Rate Monitor
InPulse - Heart Rate Monitor
Log Blood Pressure & Oxygen
Free

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.

Measure heart rate with cameraLog blood pressure and oxygenDaily wellness assessments
💪 Health & Fitness
(177K)
freemium
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
(423)
freemium
8
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
9
Oximeter - Track Oxygen SpO2
Oximeter - Track Oxygen SpO2
Oximeter - Track Oxygen SpO2
Blood O2 Monitor Tracker
Free

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.

Display, record, and view SpO2 dataDetailed analytics with data spikesNutrition and meditation guides
💪 Health & Fitness
(466)
free with in-app purchases
10
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
(130K)
freemium
11
Heart Rate, Oxygen Monitor
Heart Rate, Oxygen Monitor
Heart Rate, Oxygen Monitor
No Subscription, No Ad's
$1.99

Monitor your heart rate and blood oxygen levels in real-time from your wrist. This app provides dual-screen insights into your cardiovascular well-being without collecting or sharing any personal data. A portion of the one-time purchase supports a UK charity.

Real-time heart rate monitoringBlood oxygen (SpO2) level monitoringDual-screen health insights
💪 Health & Fitness
(0)
paid
12
BloodOxygenMonitor
BloodOxygenMonitor
BloodOxygenMonitor
blood oxygen monitoring
Free
$0.99 | 100% OFF
💪 Health & Fitness
(0)
13
Welltory: Stress & Heart Rate
Welltory: Stress & Heart Rate
Welltory: Stress & Heart Rate
HRV, 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
(132K)
freemium
14
Heart Rate, Oxygen Monitor Pro
Heart Rate, Oxygen Monitor Pro
Heart Rate, Oxygen Monitor Pro
No Subscription, No Ad's
$2.99
🏥 Medical
(0)
15
OxiTone
OxiTone
OxiTone
A closure focus
Free

This app allows users to monitor vital physiological data, including blood oxygen levels and pulse rate. It also tracks oxygen usage and includes a health assessment questionnaire. Data can be input manually or synced with compatible medical devices.

Track blood oxygen level (SpO2)Monitor pulse rateRecord activity levels
🏥 Medical
(1)
free
16
OxyRemote: Oxygen Monitor
OxyRemote: Oxygen Monitor
OxyRemote: Oxygen Monitor
Watch Loved Ones Remotely
Free

Monitor blood oxygen and heart rate remotely using a compatible Bluetooth pulse oximeter. Receive real-time updates and custom alerts for loved ones or personal wellness trends. Track history and share readings with family.

Remote monitoring of blood oxygen and heart rateCustomizable alert ranges and push notificationsShare live readings with up to 5 family members
💪 Health & Fitness
(1)
free with in-app purchases
17
Blood Oxygen Monitor - OxyByte
Blood Oxygen Monitor - OxyByte
Blood Oxygen Monitor - OxyByte
SpO2 Pulse Oximeter O2 Level
Free

Monitor blood oxygen, respiratory rate, and symptoms with this respiratory health app. It syncs with Apple Health, provides detailed historical data, and offers insights into breathing patterns and environmental factors.

Blood oxygen (SpO₂) trackingRespiratory rate monitoringSymptom logging
🏥 Medical
(7)
free with in-app purchases
18
Cyl Duration
Cyl Duration
Cyl Duration
by Responsive Respiratory, Inc.
Free

Calculates remaining oxygen in a cylinder for ambulatory users. Input device, liter flow, and cylinder size for precise remaining hours and minutes. Provides peace of mind for oxygen users on the go.

Calculate remaining oxygen hours/minutesInput device settingsInput liter flow
🏥 Medical
(8)
free
19
Oxygen Planner
Oxygen Planner
Oxygen Planner
Calculate Total Oxygen Demand
Free

This application helps medical professionals and supply chain managers calculate total oxygen demand for various medical devices. It supports different oxygen sources like cylinders, liquid oxygen, and concentrators, aiding in efficient supply management for hospitals and individual users.

Calculate total oxygen demandSupports various oxygen sourcesWide range of delivery devices
💼 Business
(2)
free
20
LOOKEE
LOOKEE
LOOKEE
Sleep Oxygen & ECG Tracking
Free
💪 Health & Fitness
(0)

FAQ about Oxygen Monitor

What are the best oxygen monitor apps for iPhone?
Blood Oxygen App tops our oxygen monitor apps ranking as of August 2026, with a 4.6-star average from 31K App Store ratings, and it's free to download.
Yes — 18 of the top oxygen monitor apps we rank are free to download, including Blood Oxygen App and Instant Heart Rate: HR Monitor.
Blood Oxygen App has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 248+ oxygen monitor apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app allows you to monitor your blood oxygen levels and heart rate. You can use your phone's camera to estimate heart rate and sync with your Apple Watch for blood oxygen readings. It also provides features like data logging, export options, breathing exercises, and sleep reports.
You can monitor your blood oxygen and heart rate by syncing with your Apple Watch. Additionally, the app can estimate your heart rate using your phone's camera. The data can then be logged and tracked within the app.

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