Best Blood Oxygen App Free

250+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated October 2026

Finding the right blood oxygen app free can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Blood Oxygen App Free (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoOct 2026
2Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesOct 2026
3Blood Oxygen App+Blood Oxygen App+Free4.1★ (474)YesYesSep 2026
4InPulse - Heart Rate MonitorInPulse - Heart Rate MonitorFree4.6★ (177K)NoYesOct 2026
5Blood Oxygen App- WatchBlood Oxygen App- WatchFree4.2★ (686)NoYesOct 2026
6Heart Rate Monitor - Pulse BPMHeart Rate Monitor - Pulse BPMFree4.6★ (130K)YesYesOct 2026
7Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (425)NoYesSep 2026
8Blood Oxygen Level: AnalyzerBlood Oxygen Level: AnalyzerFree3.9★ (191)NoYesOct 2026

Top Picks for Blood Oxygen App Free

Blood Oxygen Level#1

Blood Oxygen Level by Enrique Villahermosa Juara

Record pulse and oxygen level
Editor's Choice
🏥 Medical
4.3😞(2K ratings)
FreeAds
Blood Oxygen Level screenshot 1
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Blood Oxygen Level screenshot 4
Blood Oxygen Level screenshot 5

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
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
#34in Medical
Blood Oxygen App screenshot 1
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Blood Oxygen App screenshot 3
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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
Blood Oxygen App+#3

Blood Oxygen App+ by Kishan Panchotiya

Heart Rate Monitor Diary
Worth Considering
🏥 Medical
4.1😞(474 ratings)
FreeAdsIn-App Purchases
Blood Oxygen App+ screenshot 1
Blood Oxygen App+ screenshot 2
Blood Oxygen App+ screenshot 3

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

More Blood Oxygen App Free apps to explore

FAQ about Blood Oxygen App Free

What is the best blood oxygen app free for iPhone?
Blood Oxygen Level tops our blood oxygen app free ranking as of October 2026, with a 4.3-star average from 2K App Store ratings, and it's free to download.
Blood Oxygen Level shows ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ blood oxygen app free on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.