Best Oxygen Level Checking Apps

249+ iOS apps curated and reviewed

4.0 avg rating
18 free apps
Updated August 2026

Whether you're new to oxygen level checking or looking for an upgrade, our curated collection of 249+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Oxygen Level Checking Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen Level: AnalyzerBlood Oxygen Level: AnalyzerFree3.9★ (190)NoYesAug 2026
2Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (423)NoYesAug 2026
3Oximeter - Track Oxygen SpO2Oximeter - Track Oxygen SpO2Free4.5★ (466)NoYesAug 2026
4Blood Oxygen App+Blood Oxygen App+Free4.1★ (474)YesYesAug 2026
5Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesAug 2026
6Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoAug 2026
7O2 Buddy: Blood Oxygen SpO2O2 Buddy: Blood Oxygen SpO2$0.994.5★ (44)NoYesAug 2026
8Cyl DurationCyl DurationFree4.5★ (8)NoNoMay 2026

Top Picks for Oxygen Level Checking

Blood Oxygen Level: Analyzer#1

Blood Oxygen Level: Analyzer by Svetlana Rabosh

O2, pulse calculator: Tracker
Editor's Choice
🏥 Medical
3.9(190 ratings)
FreeIn-App Purchases
Blood Oxygen Level: Analyzer screenshot 1
Blood Oxygen Level: Analyzer screenshot 2
Blood Oxygen Level: Analyzer screenshot 3
Blood Oxygen Level: Analyzer screenshot 4
Blood Oxygen Level: Analyzer screenshot 5
Blood Oxygen Level: Analyzer screenshot 6

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.

Blood Oxygen | O2 Monitor app+#2

Blood Oxygen | O2 Monitor app+ by Yana Shestakova

Saturation Level + Pulse Rate
Strong Contender
🏥 Medical
4.6(423 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

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.

Oximeter - Track Oxygen SpO2#3

Oximeter - Track Oxygen SpO2 by AVTOSTROI, OOO

Blood O2 Monitor Tracker
Worth Considering
💪 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.

More Oxygen Level Checking apps to explore

4
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
5
Blood Oxygen App
Blood Oxygen App
Blood Oxygen App
SpO2 Level Monitor・Heart Rate
Free

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.

Blood oxygen monitoringHeart rate estimation via cameraApple Watch sync
🏥 Medical
(31K)
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
(2K)
ad-supported
7
O2 Buddy: Blood Oxygen SpO2
O2 Buddy: Blood Oxygen SpO2
O2 Buddy: Blood Oxygen SpO2
Saturation Levels & Trends
$0.99

Easily monitor your blood oxygen levels with real-time data and clear charts. Track daily averages and wellness trends, with instant syncing from HealthKit to your Apple Watch. Your health data remains private and secure on your device.

Real-time blood oxygen readingsClear charts and instant dataSyncs with HealthKit
💪 Health & Fitness
(44)
free
8
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
9
Inogen Connect Portable Oxygen
Inogen Connect Portable Oxygen
Inogen Connect Portable Oxygen
by Inogen, Inc.
Free

Monitor your portable oxygen concentrator's battery life, settings, and receive important updates. Access helpful videos and troubleshooting information 24/7, all from your mobile device.

Real-time statsBattery life monitoringCurrent settings display
🏥 Medical
(266)
free
10
O2 Duration
O2 Duration
O2 Duration
by Advanced Aviation LLC
$2.99

Calculate the approximate remaining oxygen in portable cylinders. Select your tank size, input current pressure and desired flow rate to see duration in minutes. Features a timer with alerts for low pressure.

Oxygen cylinder duration calculationSupports multiple cylinder sizes (A, B, D, E, G, H, K, M)Input current tank pressure
🔧 Utilities
(1)
paid
11
Temperature + Blood Oxygen app
Temperature + Blood Oxygen app
Temperature + Blood Oxygen app
Thermometer & saturation level
Free

Monitor your body temperature and blood oxygen saturation levels. Visualize your health trends over time with this simple tracking tool. Gain insights into your well-being.

Track body temperatureMonitor blood oxygen levelsView health trends
🏥 Medical
(72)
free with in-app purchases
12
BloodPressure-Level Checker
BloodPressure-Level Checker
BloodPressure-Level Checker
by THREE PANDA DIGITAL LIMITED
Free

Effortlessly manage blood pressure, heart rate, blood glucose, and blood oxygen levels. Track vital signs daily with precision, visualize trends through intuitive charts, and receive expert health insights to empower your wellness.

Blood pressure trackingHeart rate monitoringBlood sugar logging
💪 Health & Fitness
(2.8K)
free
13
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
14
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
15
Blood Pressure DB - Log, Check
Blood Pressure DB - Log, Check
Blood Pressure DB - Log, Check
Track High BP & Monitor Level
Free

Easily track and monitor your blood pressure, pulse, and other vital signs. Recommended by medical professionals, this app helps you manage hypertension and provides detailed reports for doctor consultations. It supports Bluetooth devices and offers helpful calculators for a comprehensive health overview.

Track systolic and diastolic blood pressureMonitor pulse, blood sugar, and body temperatureSupport for Bluetooth monitoring devices
🏥 Medical
(34)
free with in-app purchases
16
Urban Oxygen
Urban Oxygen
Urban Oxygen
Urbox India
Free
🌟 Lifestyle
(0)
17
Blood Oxygen SpO₂ Tracker
Blood Oxygen SpO₂ Tracker
Blood Oxygen SpO₂ Tracker
Health Trends, Watch & Widgets
Free
$1.99 | 100% OFF

Track your blood oxygen saturation (SpO₂) with smart alerts and historical data. Understand your overall wellness and make informed health decisions with detailed charts and insights on your iPhone and Apple Watch.

View latest SpO₂ measurementDetailed 7-day averages and chartsCustom low reading notifications
💪 Health & Fitness
(128)
free with in-app purchases
18
BloodOxygenMonitor
BloodOxygenMonitor
BloodOxygenMonitor
blood oxygen monitoring
Free
$0.99 | 100% OFF
💪 Health & Fitness
(0)
19
Breath - Increase Blood Oxygen
Breath - Increase Blood Oxygen
Breath - Increase Blood Oxygen
Train & Monitor Saturation
Free
🏥 Medical
(0)
20
iPulse - Check Heart Rate & BP
iPulse - Check Heart Rate & BP
iPulse - Check Heart Rate & BP
Heart Health Tracker & Monitor
Free

Monitor your heart rate, blood oxygen, weight, and more using your phone's camera. Get insights into your cardiovascular health and daily activity. Offers guidance for abnormal heart rate patterns and integrates with HealthKit.

Heart Rate Monitoring via cameraBlood Oxygen TrackingWeight Logging
💪 Health & Fitness
(1.2K)
freemium

FAQ about Oxygen Level Checking

What are the best oxygen level checking apps for iPhone?
Blood Oxygen Level: Analyzer tops our oxygen level checking apps ranking as of August 2026, with a 3.9-star average from 190 App Store ratings, and it's free to download.
Yes — 18 of the top oxygen level checking apps we rank are free to download, including Blood Oxygen Level: Analyzer and Blood Oxygen | O2 Monitor app+.
Blood Oxygen Level: Analyzer has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ oxygen level checking apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps you track your blood oxygen saturation levels by allowing you to manually enter readings from your oximeter. It also enables you to log additional symptoms you may be experiencing and view a history of your saturation changes over time. The app can synchronize with HealthKit to import pulse and blood oxygen data.
Key features include tracking your oxygen saturation level, logging additional symptoms for better analysis, viewing a history of your saturation changes, creating multiple profiles for family members, and synchronizing data with HealthKit for pulse and blood oxygen information.