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Best Apps To Measure Oxygen Saturation

249+ iOS apps curated and reviewed

4.1 avg rating
18 free apps
Updated July 2026

Finding the right apps to measure oxygen saturation can be overwhelming with so many options. We've analyzed 249+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Apps To Measure Oxygen Saturation (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesAug 2026
2Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (424)NoYesAug 2026
3Blood Oxygen App+Blood Oxygen App+Free4.1★ (471)YesYesJul 2026
4Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoAug 2026
5Кислород в крови: ЗдоровьеКислород в крови: ЗдоровьеFree3.9★ (190)NoYesJul 2026
6Oximeter - Track Oxygen SpO2Oximeter - Track Oxygen SpO2Free4.5★ (466)NoYesAug 2026
7Saturate – Effective O₂Saturate – Effective O₂$0.99—NoNoJul 2026
8LOOKEELOOKEEFree—NoNoJun 2026

Top Picks for Apps To Measure Oxygen Saturation

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
Blood Oxygen | O2 Monitor app+#2

Blood Oxygen | O2 Monitor app+ by Yana Shestakova

Saturation Level + Pulse Rate
Strong Contender
🏥 Medical
4.6(424 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.

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 Apps To Measure Oxygen Saturation apps to explore

4
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
5
Кислород в крови: Здоровье
Кислород в крови: Здоровье
Кислород в крови: Здоровье
Сатурация и уровень кислорода
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
6
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
7
Saturate – Effective O₂
Saturate – Effective O₂
Saturate – Effective O₂
Oxygen in the air around you
$0.99
☀️ Weather
(0)
8
LOOKEE
LOOKEE
LOOKEE
Sleep Oxygen & ECG Tracking
Free
💪 Health & Fitness
(0)
9
QuickOxyLog
QuickOxyLog
QuickOxyLog
Log blood oxygen (SpO₂) levels
Free
🏥 Medical
(0)
10
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
11
BreatheLink
BreatheLink
BreatheLink
by Breathe, LLC
Free
💪 Health & Fitness
(0)
12
PreSens Wireless Studio
PreSens Wireless Studio
PreSens Wireless Studio
by PreSens Precision Sensing GmbH
Free
🔧 Utilities
(0)
13
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
14
Urban Oxygen
Urban Oxygen
Urban Oxygen
Urbox India
Free
🌟 Lifestyle
(0)
15
Respi-Rate
Respi-Rate
Respi-Rate
Respiratory Rate Measurement
Free

This app assists healthcare professionals in accurately measuring a patient's respiratory rate. It uses an innovative algorithm and a simple button press to calculate breaths per minute, accounting for user reaction time for precise results. Designed for regular breathing patterns, it ensures accuracy within 95% ± 1 breath/min.

Accurate respiratory rate calculationInnovative algorithmSimple one-button interface
🏥 Medical
(95)
free
16
O2 Calculator Companion
O2 Calculator Companion
O2 Calculator Companion
Accurate EMS Oxygen Calculator
$4.99

This app helps EMS professionals quickly estimate oxygen tank duration in real-time. It's designed for field use with a fast, intuitive interface and works offline, eliminating guesswork in critical care scenarios.

Real-time oxygen tank duration estimationSupports multiple tank typesAdjustable PSI and flow rate settings
🏥 Medical
(1)
paid
17
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
18
myOxyGo
myOxyGo
myOxyGo
by OxyGo HQ Florida, LLC
Free

Monitor your portable oxygen concentrator's real-time stats like battery life and settings directly from your mobile device. Receive important updates, travel tips, and access helpful videos and information 24/7 for your device.

Real-time device statsBattery life monitoringCurrent settings display
🏥 Medical
(17)
free
19
WellOxy Mobile
WellOxy Mobile
WellOxy Mobile
by 兵 王
Free

This app works with a dedicated device to monitor your blood oxygen saturation (SpO2) and heart rate. It allows you to track your daily data and manage it easily from your smartphone.

SpO2 monitoringHeart rate monitoringDaily data tracking
💪 Health & Fitness
(2)
free
20
OxiTemps
OxiTemps
OxiTemps
by OXIGEN salud S.A.
Free
🏥 Medical
(0)

FAQ about Apps To Measure Oxygen Saturation

What are the best apps to measure oxygen saturation for iPhone?
Blood Oxygen App tops our apps to measure oxygen saturation ranking as of July 2026, with a 4.6-star average from 31K App Store ratings, and it's free to download.
Yes — 18 of the top apps to measure oxygen saturation we rank are free to download, including Blood Oxygen App and Blood Oxygen | O2 Monitor app+.
Blood Oxygen App has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 249+ apps to measure oxygen saturation on the iOS App Store as of July 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.