Best Spo2 Apps

243+ iOS apps curated and reviewed

3.8 avg rating
18 free apps
Updated August 2026

The best spo2 apps on iPhone average 3.8★ across 243+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Spo2 Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesAug 2026
2Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoAug 2026
3View Tracker SpO2 & Pulse rateView Tracker SpO2 & Pulse rateFree1.0★ (1)NoYesMay 2026
4SPO2er: Blood Oxygen on WatchSPO2er: Blood Oxygen on Watch$0.994.8★ (6)NoNoAug 2026
5Oximeter - Track Oxygen SpO2Oximeter - Track Oxygen SpO2Free4.5★ (466)NoYesAug 2026
6UltraLS   ECG SpO2 TEMPUltraLS ECG SpO2 TEMPFree3.0★ (1)NoNoMay 2026
7HR & SpO2 - Companion AppHR & SpO2 - Companion AppFree was $0.99NoNoAug 2026
8Blood Oxygen SpO₂ TrackerBlood Oxygen SpO₂ TrackerFree was $1.993.4★ (128)NoYesAug 2026

Top Picks for Spo2

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
#26in 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

More Spo2 apps to explore

4
SPO2er: Blood Oxygen on Watch
SPO2er: Blood Oxygen on Watch
SPO2er: Blood Oxygen on Watch
SPO₂ Monitoring from HealthKit
$0.99

Visualize your blood oxygen levels with clear graphs and historical data. This app syncs with HealthKit to display your latest readings, 24-hour trends, and past samples on your iPhone and Apple Watch. It prioritizes privacy with no accounts, ads, or data sharing.

Latest blood oxygen reading display24-hour trend graphDetailed historical samples
💪 Health & Fitness
(6)
paid
5
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
6
UltraLS   ECG SpO2 TEMP
UltraLS   ECG SpO2 TEMP
UltraLS ECG SpO2 TEMP
by Yan Lu Qi
Free

This app works with a device to record vital life signals for health monitoring and body checks. It allows for saving and sharing recorded data online, utilizing AI and machine learning for auto-analysis to provide enhanced health insights.

Records multiple life signalsHealth condition monitoringData saving and sharing
🏥 Medical
(1)
free
7
HR & SpO2 - Companion App
HR & SpO2 - Companion App
HR & SpO2 - Companion App
Multi-Metrics Health Widget
Free
$0.99 | 100% OFF
💪 Health & Fitness
(0)
8
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
9
Google Health (Fitbit)
Google Health (Fitbit)
Google Health (Fitbit)
Your personalized health coach
Free

Monitor your activity, sleep, nutrition, and stress levels to gain a comprehensive view of your well-being. Set goals, track progress, and access guided workouts and mindfulness sessions to improve your health journey.

Activity tracking (steps, distance, heart rate)Sleep monitoring and analysisNutrition and water intake logging
💪 Health & Fitness
(693K)
free with in-app purchases
10
Sanso: Blood Oxygen SpO2 Log
Sanso: Blood Oxygen SpO2 Log
Sanso: Blood Oxygen SpO2 Log
Daily SpO2 Log for Apple Watch
Free
💪 Health & Fitness
(0)
11
Heart Rate Pro:HR SpO2 BP Temp
Heart Rate Pro:HR SpO2 BP Temp
Heart Rate Pro:HR SpO2 BP Temp
HR SpO2 BP Temp & Data Sync
Free

Monitor heart rate, blood oxygen, blood pressure, and body temperature using your device's camera and manual logging. Set reminders for measurements and habits, and sync data with iCloud and Apple Health.

Heart rate monitoring via cameraSpO2 and blood pressure loggingBody temperature tracking
💪 Health & Fitness
(3)
freemium
12
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
13
HR & SpO2 - Widget Union
HR & SpO2 - Widget Union
HR & SpO2 - Widget Union
Multi-Metrics Health Widget
$0.99
💪 Health & Fitness
(0)
14
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
15
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
16
OxiSnap - SpO2 Easy Logger
OxiSnap - SpO2 Easy Logger
OxiSnap - SpO2 Easy Logger
Camera SpO2 log. Health sync.
Free
💪 Health & Fitness
(0)
17
Oxi tracker
Oxi tracker
Oxi tracker
by Guangdong Biolight Meditech Co., Ltd.
Free

Monitor blood oxygen levels, pulse rate, and perfusion index in real-time. View waveform and trend charts, ideal for daily health maintenance and sleep analysis.

Real-time blood oxygen waveformSpO2, PR, PI monitoringTrend charts
🏥 Medical
(62)
free
18
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
19
O2 Care - SpO2 HRV Biofeedback
O2 Care - SpO2 HRV Biofeedback
O2 Care - SpO2 HRV Biofeedback
Sleep Breathe Inner Balance
Free

Analyze and improve sleep and stress by tracking SpO2, heart rate variability, and practicing guided breathing exercises. Connects with Bluetooth oximeters for detailed insights into your mind-body health and potential risks.

Overnight Sleep SpO2 analysisHRV analysisResonance Breath (HRV Biofeedback)
💪 Health & Fitness
(46)
free with in-app purchases
20
Blood Oxygen Tracker – SpO2
Blood Oxygen Tracker – SpO2
Blood Oxygen Tracker – SpO2
Pulse Oximeter & Heart Rate
Free
🏥 Medical
(0)

FAQ about Spo2

What are the best spo2 apps for iPhone?
Blood Oxygen App tops our spo2 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 spo2 apps we rank are free to download, including Blood Oxygen App and Blood Oxygen Level.
Blood Oxygen App has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 243+ spo2 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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