Best Spo2 Watcher Apps

224+ iOS apps curated and reviewed

4.3 avg rating
18 free apps
Updated June 2026

If you already know SpO2 Watcher, this is the deeper bench. 224+ spo2 watcher apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Top Picks for Spo2 Watcher

Blood Oxygen App#2

Blood Oxygen App by AboutMe Apps, Inc.

SpO2 Level Monitor・Heart Rate
Strong Contender
🏥 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 your blood oxygen level and heart rate effortlessly with our app and sync your Apple Watch for alerts about low levels. Easily track and log vital signs, take oxygen tests, estimate heart rate with the camera, and practice box breathing for calm—all in one app. Download now for free and stay informed about your cardiovascular health.

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
Oximeter - Track Oxygen SpO2#3

Oximeter - Track Oxygen SpO2 by AVTOSTROI, OOO

Blood O2 Monitor Tracker
Worth Considering
💪 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 track your Oxygen Saturation levels with detailed analytics and daily care guides using our personal health management app. Sync data with Apple Health, export to PDF, and enjoy ad-free experience. Contact us for more information or visit our Privacy Policy and Terms and Conditions for details."

More Spo2 Watcher apps to explore

4
Watch Faces™ — Widgets Themes
Watch Faces™ — Widgets Themes
Watch Faces™ — Widgets Themes
Smart Widgets, Live Wallpapers
Free

Discover a diverse collection of unique watch faces designed for various smartwatches, offering customization and personalization options to enhance your device. Find the perfect style to suit your taste and elevate your smartwatch experience. Explore now and transform your wearable device!

🔧 Utilities
(3.9K)
5
Blood Oxygen App- Watch
Blood Oxygen App- Watch
Blood Oxygen App- Watch
Log & track pulse o2 levels
Free

Track and monitor your blood oxygen levels with ease using this app on your smartwatch. Stay informed about your health on the go. Download now for peace of mind.

🏥 Medical
(2)
6
WatchChat 2: Chat on Watch
WatchChat 2: Chat on Watch
WatchChat 2: Chat on Watch
Watch App for WhatsApp
Free

Experience seamless WhatsApp messaging on your Apple Watch with this app. Send and receive messages, voice messages, use different keyboard layouts, view media, and more - all while ensuring your privacy is respected. Setup is easy in just 4 steps. Explore the app for free, or support future development through a subscription for added features. Contact the developer with suggestions or issues for a better user experience.

🌐 Social Networking
(7.3K)
7
Blood Oxygen Level
Blood Oxygen Level
Blood Oxygen Level
Record pulse and oxygen level
Free

Track your pulse and blood oxygen levels daily with ease using this app. Simply record your measurements and view your statistics over time. Get started now to monitor your health more effectively!

🏥 Medical
(1.8K)
8
Masimo Personal Health
Masimo Personal Health
Masimo Personal Health
by Masimo Corporation
Free
💪 Health & Fitness
(65)
9
WatchsApp - Chat for Watch
WatchsApp - Chat for Watch
WatchsApp - Chat for Watch
Watch App For WhatsApp
Free

Access WhatsApp on your Apple Watch to send messages, view chats, pictures, videos, and voice messages instantly in full HD resolution. Experience improved connectivity and crystal-clear sound quality with WatchsApp - Chat for Watch.

🌐 Social Networking
(2.7K)
10
Float: Video Saver
Float: Video Saver
Float: Video Saver
Save, manager, PiP Player, VPN
Free

Float is a versatile video downloader, browser, and VPN proxy all-in-one app. Explore, download, manage, and watch videos with features like PiP player and global servers for secure browsing. Contact us for support or download the app now for a seamless video experience!

🔧 Utilities
(6K)
11
Samsung Galaxy Watch (Gear S)
Samsung Galaxy Watch (Gear S)
Samsung Galaxy Watch (Gear S)
Stay connected longer
Free

Connect and manage your Gear smartwatch with your mobile device using the application. Enjoy features like application downloads, settings configuration, and device tracking. Ensure compatibility and proper connection for seamless functionality.

🔧 Utilities
(15K)
12
Blood Oxygen | O2 Monitor app+
Blood Oxygen | O2 Monitor app+
Blood Oxygen | O2 Monitor app+
Saturation Level + Pulse Rate
Free

Monitor your oxygen saturation levels and pulse rate daily with this essential tracker app. Keep track of your health, set normal levels, sync data to Apple Health, and enjoy features like multi-profile support and daily reminders. Stay informed and stay healthy!

🏥 Medical
(379)
13
Watch Faces Gallery - Widgets.
Watch Faces Gallery - Widgets.
Watch Faces Gallery - Widgets.
Live iWatch Face Wallpaper
Free

Discover and customize a wide range of stylish watch faces for your Apple Watch with convenient previews and unique QR code sharing feature. Upgrade to premium for full access and an ad-free experience. Download now and personalize your watch face today!

🌟 Lifestyle
(5.8K)
14
Health Monitor: Sugar & BP
Health Monitor: Sugar & BP
Health Monitor: Sugar & BP
Heart Rate & BP Tracker
Free

"Health Monitor: Blood Sugar" is a comprehensive health management app that allows you to track and monitor important health indicators such as heart rate, blood pressure, blood oxygen, blood sugar, and BMI. The app provides features like real-time data recording, trend analysis, and health data export to help you better understand and manage your overall well-being. Download the app now and take a step towards a healthier life.

💪 Health & Fitness
(150)
15
Satellite Watcher
Satellite Watcher
Satellite Watcher
by Marwan Shaban
Free

Easily track and observe the 150 brightest man-made objects in space with this app. Explore stars, constellations, and satellites, view educational information, set notifications for pass times, and record sightings. Ideal for astronomy enthusiasts and educational purposes.

📚 Education
(59)
16
BloodPressure-Level Checker
BloodPressure-Level Checker
BloodPressure-Level Checker
by THREE PANDA DIGITAL LIMITED
Free

Track your blood pressure and heart rate with precision, visualize trends, and receive expert health insights to take control of your heart health. Download the app to start monitoring your vital signs and staying proactive about your cardiovascular wellness.

💪 Health & Fitness
(93)
17
TopLive: Watch Live Streams
TopLive: Watch Live Streams
TopLive: Watch Live Streams
Chat & Make New Friends
Free

Experience live video chat like never before with TopLive – connect instantly with people around the world, share moments, and make new friends. Join TopLive and start your live video chat adventure today!

🌐 Social Networking
(18K)
18
O₂ Buddy: Blood Oxygen
O₂ Buddy: Blood Oxygen
O₂ Buddy: Blood Oxygen
SpO2 Levels ar A Glance
$0.99

View your blood oxygen readings in real-time, with instant data syncing from HealthKit, and track your daily averages to better understand your wellness trends. Download now to stay on top of your health and wellness.

💪 Health & Fitness
(41)
19
Blood Oxygen SpO2 Tracker
Blood Oxygen SpO2 Tracker
Blood Oxygen SpO2 Tracker
Pulse Oximeter Tracker
Free
$1.99 | 100% OFF

Monitor your blood oxygen levels conveniently with this app on your Apple Watch Series 6. Stay on top of your wellness by tracking your oxygen saturation directly from your wrist and integrating with the Health app for easy access and insights.

💪 Health & Fitness
(126)
20
Temperature + Blood Oxygen app
Temperature + Blood Oxygen app
Temperature + Blood Oxygen app
Thermometer & saturation level
Free

Monitor your body temperature and blood oxygen levels with ease using this innovative app. Keep track of your health metrics and stay informed about any changes. Download now for a healthier you.

🏥 Medical
(72)