Best Free Blood Oxygen App Level

246+ iOS apps curated and reviewed

3.8 avg rating
19 free apps
Updated October 2026

With an average user rating of 3.8★, the free blood oxygen app level category is one of the App Store's strongest. Browse all 246+ apps we track, sorted so the most loved ones surface first.

Compare top Free Blood Oxygen App Level (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesOct 2026
2Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoOct 2026
3Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (425)NoYesSep 2026
4Blood Oxygen Level: AnalyzerBlood Oxygen Level: AnalyzerFree3.9★ (191)NoYesOct 2026
5Blood Oxygen App+Blood Oxygen App+Free4.1★ (474)YesYesSep 2026
6Blood Oxygen Monitor: SpO2Blood Oxygen Monitor: SpO2Free—NoYesOct 2026
7Blood Oxygen App- WatchBlood Oxygen App- WatchFree4.2★ (686)NoYesOct 2026
8O2 Buddy: Blood Oxygen SpO2O2 Buddy: Blood Oxygen SpO2$0.994.6★ (46)NoYesSep 2026

Top Picks for Free Blood Oxygen App Level

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
#34in 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
Blood Oxygen Level#2

Blood Oxygen Level by Enrique Villahermosa Juara

Record pulse and oxygen level
Strong Contender
🏥 Medical
4.3😞(2K ratings)
FreeAds
Blood Oxygen Level screenshot 1
Blood Oxygen Level screenshot 2
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

More Free Blood Oxygen App Level apps to explore

FAQ about Free Blood Oxygen App Level

What is the best free blood oxygen app level for iPhone?
Blood Oxygen App tops our free blood oxygen app level 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 246+ free blood oxygen app level on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.