Best Blood Oxygen Apps

250+ iOS apps curated and reviewed

4.2 avg rating
18 free apps
Updated September 2026

The best blood oxygen apps on iPhone average 4.2★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top Blood Oxygen Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesSep 2026
2Apple HealthApple HealthFree3.0★ (8.9K)NoNoSep 2026
3Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoSep 2026
4Blood OxygenBlood OxygenFree3.9★ (128)NoNoSep 2026
5Blood Oxygen App- WatchBlood Oxygen App- WatchFree4.2★ (668)NoYesSep 2026
6Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (424)NoYesSep 2026
7Blood Oxygen App+Blood Oxygen App+Free4.1★ (474)YesYesAug 2026
8Breath - Increase Blood OxygenBreath - Increase Blood OxygenFreeYesYesSep 2026

Top Picks for Blood Oxygen

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
#20in Medical
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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
  • ❌ Deceptive marketing and false advertising
  • ❌ No way to contact customer support
3.0😐(8.9K ratings)
Free
Apple Health screenshot 1
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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
  • 📊 Poor data visualization and analysis
  • 🤔 Lacks customization options
Blood Oxygen Level#3

Blood Oxygen Level by Enrique Villahermosa Juara

Record pulse and oxygen level
Worth Considering
🏥 Medical
4.3😞(2K ratings)
FreeAds
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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
  • 🐛 Doesn't give accurate readings
  • 🐛 Doesn't sync with devices

More Blood Oxygen apps to explore

FAQ about Blood Oxygen

What are the best blood oxygen apps for iPhone?
Blood Oxygen App tops our blood oxygen apps ranking as of September 2026, with a 4.6-star average from 31K App Store ratings, and it's free to download.
Yes — 18 of the top blood oxygen apps we rank are free to download, including Blood Oxygen App and Apple Health.
Blood Oxygen App has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ blood oxygen apps on the iOS App Store as of September 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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