Best Free Blood Oxygen App Reader

248+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated October 2026

Whether you're new to free blood oxygen app reader or looking for an upgrade, our curated collection of 248+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Free Blood Oxygen App Reader (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesNov 2026
2Blood Oxygen App+Blood Oxygen App+Free4.1★ (474)YesYesOct 2026
3Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoNov 2026
4OneTouch Reveal® appOneTouch Reveal® appFree4.8★ (163K)NoNoNov 2026
5Temperature + Blood Oxygen appTemperature + Blood Oxygen appFree3.7★ (72)NoYesOct 2026
6O2 Buddy: Blood Oxygen SpO2O2 Buddy: Blood Oxygen SpO2Free was $0.994.7★ (90)NoYesOct 2026
7Blood Oxygen Monitor: SpO2Blood Oxygen Monitor: SpO2Free—NoYesNov 2026
8Blood Donor American Red CrossBlood Donor American Red CrossFree4.9★ (144K)NoNoNov 2026

Top Picks for Free Blood Oxygen App Reader

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
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Blood Oxygen App screenshot 3
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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
Blood Oxygen App+#2

Blood Oxygen App+ by Kishan Panchotiya

Heart Rate Monitor Diary
Strong Contender
🏥 Medical
4.1😞(474 ratings)
FreeAdsIn-App Purchases
Blood Oxygen App+ screenshot 1
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Easily track and monitor your blood oxygen levels and heart rate with a modern, user-friendly interface. Log your measurements, access recent data, and export your records for personal tracking.

What We Love

  • 💰 Flat one-time price without subscription fatigue
  • ✅ Does exactly what it promises for basic tracking
  • 📊 Simple and straightforward functionality

Room to Improve

  • 🚫 Core measurement functionality doesn't work
  • ❌ Requires manual data entry instead of actual measurement
  • 📱 Not compatible with Apple Watch despite claims
  • 🐛 Inaccurate heart rate readings (20-40 bpm off)
  • 📖 Lacks instructions or user guidance
  • ⏸️ Won't allow multiple readings per day
  • 🎬 Excessive ads that prevent app return
  • 🔐 Access/restoration issues for paid users
  • 😕 Misleading app description and functionality
Blood Oxygen Level#3

Blood Oxygen Level by Enrique Villahermosa Juara

Record pulse and oxygen level
Worth Considering
🏥 Medical
4.3😞(2K ratings)
FreeAds
Blood Oxygen Level screenshot 1
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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 Free Blood Oxygen App Reader apps to explore

FAQ about Free Blood Oxygen App Reader

What is the best free blood oxygen app reader for iPhone?
Blood Oxygen App tops our free blood oxygen app reader ranking as of October 2026, with a 4.6-star average from 31K App Store ratings, and it's free to download.
Blood Oxygen App has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 248+ free blood oxygen app reader on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.