Best Blood Oxygen App Free

250+ iOS apps curated and reviewed

4.1 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)YesNoNov 2026
2Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesNov 2026
3InPulse - Heart Rate MonitorInPulse - Heart Rate MonitorFree4.6★ (180K)NoYesNov 2026
4Blood Oxygen App+Blood Oxygen App+Free4.1★ (474)YesYesOct 2026
5Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (428)NoYesOct 2026
6Blood Oxygen App- WatchBlood Oxygen App- WatchFree4.2★ (703)NoYesOct 2026
7SPO2er: Blood Oxygen on WatchSPO2er: Blood Oxygen on Watch$0.994.9★ (10)NoNoOct 2026
8Blood Oxygen Level: AnalyzerBlood Oxygen Level: AnalyzerFree3.9★ (193)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 3
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
#29in 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
InPulse - Heart Rate Monitor#3

InPulse - Heart Rate Monitor by AIBY

Log Blood Pressure & Oxygen
Worth Considering
💪 Health & Fitness
4.6😐(180K ratings)
FreeIn-App Purchases
#34in Health & Fitness
InPulse - Heart Rate Monitor screenshot 1
InPulse - Heart Rate Monitor screenshot 2
InPulse - Heart Rate Monitor screenshot 3
InPulse - Heart Rate Monitor screenshot 4
InPulse - Heart Rate Monitor screenshot 5

Monitor your heart rate using your iPhone's camera and log blood pressure and oxygen saturation. Receive daily wellness assessments, habit tracking, and emotional wellbeing tools. This app is for fitness and general wellness information.

What We Love

  • 👍 Accurate heart rate measurements
  • 🚀 Convenient and easy to use
  • 🤖 Helpful health insights and reminders
  • 💻 Integration with Apple Health
  • 📊 Detailed health tracking and journaling

Room to Improve

  • 🔒 Concerns about privacy and data security
  • 💰 Expensive subscription model
  • 🐛 Inconsistent and inaccurate readings
  • 🚫 Limited functionality without premium subscription
  • 🔋 Drains battery quickly

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.