Best Sp02 Monitor Apps

126+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated June 2026

Welltory is the household name in sp02 monitor, but it's far from the only option. We track 126+ alternatives and competitors on iOS β€” many free, many higher-rated than you'd expect.

Top Picks for Sp02 Monitor

Welltory: Health, Heart Rate#1

Welltory: Health, Heart Rate by Welltory inc

Stress, Sleep, BP, O2 Monitor
Editor's Choice
πŸ’ͺ Health & Fitness
4.7😐(130K ratings)
FreeAdsIn-App Purchases
#49in Health & Fitness
Welltory: Health, Heart Rate screenshot 1
Welltory: Health, Heart Rate screenshot 2
Welltory: Health, Heart Rate screenshot 3
Welltory: Health, Heart Rate screenshot 4
Welltory: Health, Heart Rate screenshot 5
Welltory: Health, Heart Rate screenshot 6

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.

What We Love

  • πŸ‘ Helpful health insights
  • πŸš€ Comprehensive data collection
  • πŸ’‘ Useful for tracking health conditions
  • πŸ‘ Accurate measurements

Room to Improve

  • πŸ› Inconsistent or inaccurate measurements
  • πŸ€” Confusing or contradictory results
  • πŸ’° Expensive subscription model
Oximeter - Track Oxygen SpO2#2

Oximeter - Track Oxygen SpO2 by AVTOSTROI, OOO

Blood O2 Monitor Tracker
Strong Contender
πŸ’ͺ 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.

More Sp02 Monitor apps to explore

4
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
πŸ₯ Medical
(31K)
freemium
5
CardioBot: Heart Rate Monitor
CardioBot: Heart Rate Monitor
CardioBot: Heart Rate Monitor
Cardio Activity HRV Tracker
Free

Monitor your heart rate and daily activities with this comprehensive health tracker. It analyzes cardiovascular health, provides smart recommendations based on AHA studies, and offers detailed stress and sleep analysis. View your data through an elegant interface with color-coded charts and timelines.

Heart rate monitoringActivity trackingCardiovascular health analysis
πŸ’ͺ Health & Fitness
(9.7K)
subscription
6
Monitor+
Monitor+
Monitor+
Remote Control for Sony Camera
Free

Transform your phone into a professional camera monitor with live view and remote control capabilities. Access camera content, utilize advanced assist functions, and even record live feeds. A Pro version unlocks even more powerful features for enhanced filmmaking.

Live ViewRemote Camera ControlUVC/Capture Card Support
πŸ“· Photo & Video
(267)
free with in-app purchases
7
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
πŸ’ͺ Health & Fitness
(2.2K)
freemium
8
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
πŸ’ͺ Health & Fitness
(7.5K)
free with in-app purchases
9
Device MonitorΒ²
Device MonitorΒ²
Device MonitorΒ²
System activity info
Free

This app provides comprehensive system activity information for Apple devices, including detailed insights into hardware, sensors, and network status. It offers privacy controls, customizable widgets, and advanced testing and reporting features through optional in-app purchases.

Detailed device informationSensor access and privacy controlCustomizable widgets
πŸ› οΈ Developer Tools
(9K)
free with in-app purchases
10
DiversHub for Helldivers 2
DiversHub for Helldivers 2
DiversHub for Helldivers 2
Fan-made Companion for HD2
Free

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.

Live Galactic War progress mapPush notifications for Major OrdersSuper Earth news and updates
🎬 Entertainment
(1.9K)
free with in-app purchases
11
HeartBP Monitor
HeartBP Monitor
HeartBP Monitor
Track BP, HR, Glucose & SpO2
Free
πŸ’ͺ Health & Fitness
(0)
12
System Status Pro: hw monitor
System Status Pro: hw monitor
System Status Pro: hw monitor
CPU,battery,memory usage info
$3.99

Monitor your iPhone and iPad's performance with detailed insights into CPU, memory, disk, battery, and network usage. View real-time graphs, hardware specs, and system details. Export data via email or AirPrint.

Real-time CPU usage monitoringDetailed memory and disk usageBattery level and estimated work time
πŸ”§ Utilities
(5.3K)
paid
13
Philips Avent Baby Monitor+
Philips Avent Baby Monitor+
Philips Avent Baby Monitor+
An eye on your baby, anywhere
Free

Monitor your baby from anywhere with a secure, crystal-clear HD view. This app allows you to check room temperature, speak to your baby, and play soothing sounds. Premium features offer advanced sleep tracking and cry interpretation.

Crystal clear HD video monitoringSecure and private connectionRoom temperature monitoring
🌟 Lifestyle
(11K)
free
14
NDI Monitor Pro
NDI Monitor Pro
NDI Monitor Pro
Monitor, Record, Scopes, PTZ
Free

This app allows users to monitor and record video streams from various NDI sources. It offers professional tools like vectorscopes and histograms, along with PTZ camera control and real-time audio monitoring. Record in H.264 or HEVC formats for flexible post-production.

Full NDI, NDI|HX H.264/HEVC monitoringPTZ camera remote controlProfessional video scopes (vectorscope, histogram, parade, waveform)
πŸ“· Photo & Video
(121)
free
15
QTAKE Monitor
QTAKE Monitor
QTAKE Monitor
by IN2CORE s.r.o.
Free

Transforms multiple devices into wireless on-set monitors for video production. Enables real-time multi-camera monitoring, communication with the operator, and collaborative metadata editing. Offers a low-latency viewing experience for both 2D and immersive 3D content.

Wireless on-set monitoring for up to 160 devicesMulti-camera monitoring and TALKBACK communicationLow latency streaming with QTAKE STREAM Module
πŸ“· Photo & Video
(8)
free
16
CPU Z: Device Monitor x Dasher
CPU Z: Device Monitor x Dasher
CPU Z: Device Monitor x Dasher
System Activity, CPU Monitor
Free

This app provides detailed insights into your device's specifications, including display, hardware, network, camera, and battery information. It also offers a suite of tools like a storage cleaner, internet speed test, and network scanner. Enhance your device management with comprehensive system monitoring and utility features.

Device specifications displayHardware information (CPU, RAM, GPU)Network and connectivity details
πŸ”§ Utilities
(712)
freemium
17
Health Monitor: BP & Glucose
Health Monitor: BP & Glucose
Health Monitor: BP & Glucose
Blood sugar & pressure tracker
Free

Easily track key health metrics like blood pressure, blood sugar, heart rate, and SpO2. Features medication reminders, guided breathing exercises, and trend analysis to support a balanced lifestyle. Export your data and view detailed charts for better health awareness.

Blood pressure tracking with AHA classificationBlood sugar and glucose level monitoringHeart rate tracking via camera
πŸ’ͺ Health & Fitness
(2)
free with in-app purchases
18
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
πŸ’ͺ Health & Fitness
(166K)
freemium
19
Yam Display Free
Yam Display Free
Yam Display Free
by Yamstu Inc.
Free

Transform your iPad or iPhone into a secondary display for your Mac using a USB connection. Enjoy lag-free browsing and video playback, utilize touch gestures like pinch-to-zoom, and enhance multitasking with Split View. This free version offers a 7-minute session limit.

iPad/iPhone as second Mac displayUSB wired connectionMinimal lag for video and browsing
πŸ“Š Productivity
(849)
free
20
Blood Oxygen SpO2 Tracker
Blood Oxygen SpO2 Tracker
Blood Oxygen SpO2 Tracker
Pulse Oximeter Tracker
Free
$1.99 | 100% OFF

Track your blood oxygen saturation (SpOβ‚‚) 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 SpOβ‚‚ measurementDetailed 7-day averages and chartsCustom low reading notifications
πŸ’ͺ Health & Fitness
(126)
free with in-app purchases