Best Sp02 Monitor Apps

206+ iOS apps curated and reviewed

4.3 avg rating
16 free apps
Updated August 2026

Heart Monitor AI is the household name in sp02 monitor, but it's far from the only option. We track 206+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Sp02 Monitor Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Heart Monitor AI: Blood SugarHeart Monitor AI: Blood SugarFree2.4★ (11)NoYesAug 2026
2Oximeter - Track Oxygen SpO2Oximeter - Track Oxygen SpO2Free4.5★ (466)NoYesAug 2026
3DiversHub for Helldivers 2DiversHub for Helldivers 2Free4.7★ (2K)YesYesAug 2026
4HeartBP MonitorHeartBP MonitorFreeNoNoJun 2026
5O2 Buddy: Blood Oxygen SpO2O2 Buddy: Blood Oxygen SpO2$0.994.5★ (44)NoYesAug 2026
6Blood Oxygen SpO₂ TrackerBlood Oxygen SpO₂ TrackerFree was $1.993.4★ (128)NoYesAug 2026
7Blood Oxygen Monitor - OxyByteBlood Oxygen Monitor - OxyByteFree3.9★ (7)YesYesAug 2026
8HR & SpO2 - Widget UnionHR & SpO2 - Widget Union$0.99NoNoAug 2026

Top Picks for Sp02 Monitor

Heart Monitor AI: Blood Sugar#1

Heart Monitor AI: Blood Sugar by 文凯 张

Heart Rate, BP, SpO2 & Health
Editor's Choice
💪 Health & Fitness
2.4(11 ratings)
FreeIn-App Purchases
Heart Monitor AI: Blood Sugar screenshot 1
Heart Monitor AI: Blood Sugar screenshot 2
Heart Monitor AI: Blood Sugar screenshot 3
Heart Monitor AI: Blood Sugar screenshot 4
Heart Monitor AI: Blood Sugar screenshot 5
Heart Monitor AI: Blood Sugar screenshot 6

Monitor your daily wellness with this app. Track heart rate, blood pressure, blood sugar, and weight using your device. View clear data trends and access helpful wellness articles.

Oximeter - Track Oxygen SpO2#2

Oximeter - Track Oxygen SpO2 by AVTOSTROI, OOO

Blood O2 Monitor Tracker
Strong Contender
💪 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.

DiversHub for Helldivers 2#3

DiversHub for Helldivers 2 by Wild Pluto

Fan-made Companion for HD2
Worth Considering
🎬 Entertainment
4.7😊(2K ratings)
FreeAdsIn-App Purchases
DiversHub for Helldivers 2 screenshot 1
DiversHub for Helldivers 2 screenshot 2
DiversHub for Helldivers 2 screenshot 3
DiversHub for Helldivers 2 screenshot 4
DiversHub for Helldivers 2 screenshot 5
DiversHub for Helldivers 2 screenshot 6

This fan-made companion app enhances the Helldivers 2 experience by tracking the Galactic War, providing live updates on planet status, and notifying players of critical events like Major Orders. It also offers community features for prioritizing planets and staying informed on Super Earth news.

What We Love

  • 👍 Great app
  • 🚀 Accurate information
  • 🚀 Helpful for tracking war progress
  • 🚀 Useful for off-duty Helldivers

Room to Improve

  • 🐛 Ads too frequent/intrusive
  • 💰 Subscription model to remove ads
  • 🐛 App crashes/freezes on launch

More Sp02 Monitor apps to explore

4
HeartBP Monitor
HeartBP Monitor
HeartBP Monitor
Track BP, HR, Glucose & SpO2
Free
💪 Health & Fitness
(0)
5
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
6
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
7
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
8
HR & SpO2 - Widget Union
HR & SpO2 - Widget Union
HR & SpO2 - Widget Union
Multi-Metrics Health Widget
$0.99
💪 Health & Fitness
(0)
9
True Pulse Heart Rate Monitor
True Pulse Heart Rate Monitor
True Pulse Heart Rate Monitor
#1 Blood Pressure & O2 Logger
Free

Instantly measure your heart rate using your phone's camera. Track your health, view pulse waveforms, and access mental health tests. Premium offers unlimited features and supports a family business.

Instant heart rate monitoringPulse waveform graphsMental health tests
💪 Health & Fitness
(2.2K)
freemium
10
OpenDisplay
OpenDisplay
OpenDisplay
Use your iPad as a Mac Monitor
Free

Transform your iPhone or iPad into a genuine second display for your Mac. This open-source solution allows you to extend your screen space, keeping essential apps visible. Connect via USB for minimal latency or Wi-Fi for easy setup.

Use iPhone/iPad as a second Mac displayConnect via USB or Wi-FiRetina-sharp rendering
📊 Productivity
(2)
free
11
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
12
SpO2 Watcher
SpO2 Watcher
SpO2 Watcher
Unlock Your HealthKit SpO2
$0.99

This utility app restores blood oxygen level insights to your Apple Watch. It retrieves data from HealthKit and displays it on your watch face and dashboard, offering real-time readings and historical trends. Designed for privacy, your data remains on your device.

Re-enable watch visibility for SpO2Real-time blood oxygen dashboardsAdvanced watch complications
💪 Health & Fitness
(0)
paid
13
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
14
Kon-TEC® Battery Monitor V.2
Kon-TEC® Battery Monitor V.2
Kon-TEC® Battery Monitor V.2
by Kon-TEC Sp. zo.o.
Free
🌟 Lifestyle
(0)
15
Welltory: Stress & Heart Rate
Welltory: Stress & Heart Rate
Welltory: Stress & Heart Rate
HRV, Sleep, BP & O2 Monitor
Free

This app helps you understand your body's signals by analyzing heart rate variability and integrating data from over 1,000 devices and apps. It provides science-backed insights into sleep, stress, heart health, and activity to help you feel better and optimize your wellness.

Heart rate variability analysisSleep quality insightsStress monitoring
💪 Health & Fitness
(132K)
freemium
16
K2 GPS
K2 GPS
K2 GPS
by Agencja Ochrony Osob i Mienia K2 sp. z o.o.
Free
🔧 Utilities
(0)
17
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
18
PulseMate: BP & Heart Rate
PulseMate: BP & Heart Rate
PulseMate: BP & Heart Rate
Blood Sugar, SpO₂ & Health
Free
💪 Health & Fitness
(0)
19
System Status: hw monitor
System Status: hw monitor
System Status: hw monitor
CPU,battery,disk usage info
Free

Monitor your device's core performance metrics with this utility app. It provides real-time information on battery status, disk usage, CPU load, and network connections. Customize your view with light or dark themes and receive instant updates on system changes.

Graphical battery level displayDisk usage monitoringReal-time CPU usage
🔧 Utilities
(2.4K)
ad-supported
20
Hearty : Heart Rate,Stress, BP
Hearty : Heart Rate,Stress, BP
Hearty : Heart Rate,Stress, BP
Blood Pressure, Sleep & SpO2
Free

This app uses AI and your device's camera to monitor vital health metrics like heart rate, blood pressure, and stress levels. It provides detailed visual insights and personalized analysis to help you understand your well-being. Integrates with Apple Health for comprehensive tracking.

AI health analysisCamera pulse measurementBlood pressure tracking
💪 Health & Fitness
(7.5K)
free with in-app purchases

FAQ about Sp02 Monitor

What are the best sp02 monitor apps for iPhone?
Heart Monitor AI: Blood Sugar tops our sp02 monitor apps ranking as of August 2026, with a 2.4-star average from 11 App Store ratings, and it's free to download.
Yes — 16 of the top sp02 monitor apps we rank are free to download, including Heart Monitor AI: Blood Sugar and Oximeter - Track Oxygen SpO2.
Heart Monitor AI: Blood Sugar has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 206+ sp02 monitor apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
WellTracker is a health and wellness app that helps you record and monitor personal health data like heart rate, blood pressure, blood sugar, and weight. It also offers wellness articles and data trend visualization.
WellTracker uses your iPhone's device camera to measure your pulse. You place your finger on the lens, and the app provides your heart rate results in seconds.