Best Oxygen Saturation Apps

250+ iOS apps curated and reviewed

4.1 avg rating
19 free apps
Updated September 2026

Looking for free oxygen saturation apps? 19 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Oxygen Saturation Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesOct 2026
2Oximeter - Track Oxygen SpO2Oximeter - Track Oxygen SpO2Free4.5★ (547)NoYesSep 2026
3Heart Rate Monitor - Pulse BPMHeart Rate Monitor - Pulse BPMFree4.6★ (130K)YesYesOct 2026
4Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoOct 2026
5Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (425)NoYesSep 2026
6Blood Oxygen SpO2 for WatchBlood Oxygen SpO2 for WatchFree—NoYesSep 2026
7PacMeta Oxygen SaturationPacMeta Oxygen SaturationFree—NoNoMay 2026
8Breath - Increase Blood OxygenBreath - Increase Blood OxygenFree—YesYesOct 2026

Top Picks for Oxygen Saturation

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
#28in 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 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
Heart Rate Monitor - Pulse BPM#3

Heart Rate Monitor - Pulse BPM by Zane

Pulse: Step,Health HR&Oximeter
Worth Considering
💪 Health & Fitness
4.6😐(130K ratings)
FreeAdsIn-App Purchases
Heart Rate Monitor - Pulse BPM screenshot 1
Heart Rate Monitor - Pulse BPM screenshot 2
Heart Rate Monitor - Pulse BPM screenshot 3
Heart Rate Monitor - Pulse BPM screenshot 4

Easily monitor your heart rate, track steps, and record vital health metrics like blood pressure and body temperature. Save and visualize your health data, set reminders, and share your progress with friends and family. This app provides convenient health insights for daily well-being.

What We Love

  • 👍 Accurate heart rate measurements
  • 📊 Helpful for tracking health conditions
  • 🗓️ Ability to save and review past readings
  • 💻 Easy to use interface

Room to Improve

  • 📺 Excessive advertisements that interfere with usage
  • 🔒 Subscription required for full functionality
  • 🔢 Limited number of free daily measurements
  • 🔄 Inconsistent or inaccurate readings

More Oxygen Saturation apps to explore

FAQ about Oxygen Saturation

What are the best oxygen saturation apps for iPhone?
Blood Oxygen App tops our oxygen saturation apps ranking as of September 2026, with a 4.6-star average from 31K App Store ratings, and it's free to download.
Yes — 19 of the top oxygen saturation apps we rank are free to download, including Blood Oxygen App and Oximeter - Track Oxygen SpO2.
Blood Oxygen App has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ oxygen saturation apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

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