Best Blood Oxygen Apps

250+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated November 2026

The best blood oxygen apps on iPhone average 4.0★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated November 2026.

Compare top Blood Oxygen Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesNov 2026
2Apple HealthApple HealthFree3.0★ (9.2K)NoNoNov 2026
3Blood OxygenBlood OxygenFree3.9★ (128)NoNoNov 2026
4Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoNov 2026
5Blood Oxygen App- WatchBlood Oxygen App- WatchFree4.2★ (709)NoYesNov 2026
6Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (428)NoYesOct 2026
7Blood Oxygen Monitor: SpO2Blood Oxygen Monitor: SpO2Free—NoYesNov 2026
8O2 Buddy: Blood Oxygen SpO2O2 Buddy: Blood Oxygen SpO2Free was $0.994.7★ (125)NoYesNov 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
#33in Medical
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Monitor your blood oxygen and heart rate with this app. It allows you to track vital signs, sync with Apple Health, and export data for your doctor. Features include breathing exercises and sleep reports with an Apple Watch.

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😐(9.2K ratings)
Free
Apple Health screenshot 1
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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
3.9(128 ratings)
Free

Measure your blood oxygen saturation levels directly from your wrist. This app helps you assess oxygen levels, understand how well your body is absorbing oxygen, and gain insights into your overall wellness. It records measurements for later review.

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 November 2026, with a 4.6-star average from 31K App Store ratings, and it's free to download.
Yes — 20 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 November 2026.
We track 250+ blood oxygen apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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