Best Blood Oxygen Free Apps

250+ iOS apps curated and reviewed

3.8 avg rating
19 free apps
Updated August 2026

The best blood oxygen free apps on iPhone average 3.8★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Blood Oxygen Free Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesAug 2026
2Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoAug 2026
3Apple HealthApple HealthFree3.0★ (7.7K)NoNoAug 2026
4Oximeter - Track Oxygen SpO2Oximeter - Track Oxygen SpO2Free4.5★ (466)NoYesAug 2026
5Heart Rate Monitor - Pulse BPMHeart Rate Monitor - Pulse BPMFree4.6★ (130K)YesYesAug 2026
6Blood Oxygen App- WatchBlood Oxygen App- WatchFree4.2★ (631)NoYesAug 2026
7OxyRemote: Oxygen MonitorOxyRemote: Oxygen MonitorFree5.0★ (1)NoYesAug 2026
8BloodOxygenMonitorBloodOxygenMonitorFree was $0.99NoYesMay 2026

Top Picks for Blood Oxygen Free

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
#22in 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 Level#2

Blood Oxygen Level by Enrique Villahermosa Juara

Record pulse and oxygen level
Strong Contender
🏥 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
Apple Health#3

Apple Health by Apple Inc.

Worth Considering
💪 Health & Fitness
3.0😐(7.7K ratings)
Free
Apple Health screenshot 1
Apple Health screenshot 2
Apple Health screenshot 3
Apple Health screenshot 4
Apple Health screenshot 5

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.

What We Love

  • 🚀 Accurate step counting
  • 👍 Helpful for tracking health data
  • 🚑 Saved user's life by detecting heart issues
  • 💡 Integrates well with other health apps

Room to Improve

  • 🐛 Inconsistent step/distance tracking
  • 🐛 Sleep tracking issues
  • 🐛 Medication tracking limitations

More Blood Oxygen Free apps to explore

4
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
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
(130K)
freemium
6
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
(631)
free with in-app purchases
7
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
8
BloodOxygenMonitor
BloodOxygenMonitor
BloodOxygenMonitor
blood oxygen monitoring
Free
$0.99 | 100% OFF
💪 Health & Fitness
(0)
9
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
10
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
11
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
(424)
freemium
12
PulseBP Blood Pressure
PulseBP Blood Pressure
PulseBP Blood Pressure
Check, Monitor BP Pulse Heart
Free
💪 Health & Fitness
(0)
13
Breath - Increase Blood Oxygen
Breath - Increase Blood Oxygen
Breath - Increase Blood Oxygen
Train & Monitor Saturation
Free
🏥 Medical
(0)
14
Blood Pressure: BP Monitor Log
Blood Pressure: BP Monitor Log
Blood Pressure: BP Monitor Log
Your Heart Health Companion
Free
💪 Health & Fitness
(0)
15
Blood Pressure Monitor-BP Log
Blood Pressure Monitor-BP Log
Blood Pressure Monitor-BP Log
Heart Rate & Blood Pressure
Free

Track your heart rate, blood pressure, and diet with this comprehensive health companion. Utilize your phone's camera for heart rate checks and AI for food calorie analysis. Includes sleep sounds to aid relaxation and improve sleep quality.

Heart rate monitoring via phone cameraBlood pressure recording and trend analysisSoothing sleep soundscapes
🌟 Lifestyle
(11K)
free
16
Pulse Monitor-Blood Sugar
Pulse Monitor-Blood Sugar
Pulse Monitor-Blood Sugar
by PIECES OF WOOD CO., LIMITED
Free

This app offers precise heart rate and blood pressure monitoring, presenting data through intuitive charts. It also provides a rich library of health articles on various topics to support a healthier lifestyle.

Precise heart rate measurementBlood pressure tracking and analysisIntuitive data charts
🔧 Utilities
(1)
free
17
Blood Sugar & Health Tracker
Blood Sugar & Health Tracker
Blood Sugar & Health Tracker
Blood Sugar - Heart Rate
Free

Estimate heart rate using your phone's camera and log vital health metrics like blood pressure, blood sugar, and oxygen levels. Visualize your health data with clear charts and graphs to understand trends over time.

Heart rate estimation via cameraBlood pressure loggingBlood sugar logging
💪 Health & Fitness
(2)
subscription
18
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
19
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
(6)
free with in-app purchases
20
Super Oxygen
Super Oxygen
Super Oxygen
by CHOICEMMEDUSA, LLC
Free
💪 Health & Fitness
(0)

FAQ about Blood Oxygen Free

What are the best blood oxygen free apps for iPhone?
Blood Oxygen App tops our blood oxygen free apps ranking as of August 2026, with a 4.6-star average from 31K App Store ratings, and it's free to download.
Blood Oxygen App has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ blood oxygen free 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.