Best Oxygen Level Checker Apps

248+ iOS apps curated and reviewed

4.1 avg rating
18 free apps
Updated August 2026

With an average user rating of 4.1★, the oxygen level checker category is one of the App Store's strongest. Browse all 248+ apps we track, sorted so the most loved ones surface first.

Compare top Oxygen Level Checker 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
3BloodPressure-Level CheckerBloodPressure-Level CheckerFree3.8★ (2.8K)NoNoAug 2026
4Blood Oxygen App+Blood Oxygen App+Free4.1★ (474)YesYesAug 2026
5Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesAug 2026
6Cyl DurationCyl DurationFree4.5★ (8)NoNoMay 2026
7Heartify: Heart Health MonitorHeartify: Heart Health MonitorFree4.7★ (119K)NoYesAug 2026
8Oximeter - Track Oxygen SpO2Oximeter - Track Oxygen SpO2Free4.5★ (466)NoYesAug 2026

Top Picks for Oxygen Level Checker

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.

More Oxygen Level Checker 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
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
7
Heartify: Heart Health Monitor
Heartify: Heart Health Monitor
Heartify: Heart Health Monitor
Pulse & Stress Analyzer, HRV
Free

Monitor your heart rate and track key health metrics like HRV, stress, and energy levels using your phone's camera. Gain insights into your heart health with educational content and progress reports. Connect with a community and access premium features through subscription.

Measure heart rate with phone cameraTrack Heart Rate Variability (HRV)Monitor Stress and Energy levels
💪 Health & Fitness
(119K)
free with in-app purchases
8
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
9
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
10
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
11
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
12
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
13
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
(46)
free
14
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
15
Blood Pressure App-HealthPal
Blood Pressure App-HealthPal
Blood Pressure App-HealthPal
Log Sugar & Heart Rate Monitor
Free

This app helps you manage your health by tracking heart rate, blood sugar, blood pressure, and blood oxygen levels. It provides daily data insights, charts, and health tips to empower informed decisions about your well-being.

Heart rate monitoring via cameraBlood sugar trackingBlood pressure recording
💪 Health & Fitness
(290)
ad-supported
16
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
17
OxiTemps
OxiTemps
OxiTemps
by OXIGEN salud S.A.
Free
🏥 Medical
(0)
18
Heart Pulse Monitor-Health Log
Heart Pulse Monitor-Health Log
Heart Pulse Monitor-Health Log
Blood Pressure & Oxygen Diary
Free

Monitor your heart health and daily wellness using your smartphone. Measure pulse with your camera, log blood pressure and oxygen levels, and track habits supporting a healthy heart. Includes quick stress tests and notes for comprehensive health records.

Measure pulse with phone cameraLog blood pressureRecord blood oxygen levels
💪 Health & Fitness
(24)
free with in-app purchases
19
Blood Oxygen Tracker – SpO2
Blood Oxygen Tracker – SpO2
Blood Oxygen Tracker – SpO2
Pulse Oximeter & Heart Rate
Free
🏥 Medical
(0)
20
Urban Oxygen
Urban Oxygen
Urban Oxygen
Urbox India
Free
🌟 Lifestyle
(0)

FAQ about Oxygen Level Checker

What are the best oxygen level checker apps for iPhone?
Blood Oxygen Level: Analyzer tops our oxygen level checker 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 checker 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 248+ oxygen level checker 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.