Best Oxygen Level Checking Apps

248+ iOS apps curated and reviewed

4.0 avg rating
18 free apps
Updated October 2026

Whether you're new to oxygen level checking 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 Oxygen Level Checking Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen Level: AnalyzerBlood Oxygen Level: AnalyzerFree3.9★ (193)NoYesOct 2026
2Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoOct 2026
3Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (425)NoYesOct 2026
4Blood Oxygen App+Blood Oxygen App+Free4.1★ (474)YesYesOct 2026
5Inogen Connect Portable OxygenInogen Connect Portable OxygenFree4.3★ (678)NoNoOct 2026
6Blood Oxygen Monitor: SpO2Blood Oxygen Monitor: SpO2Free—NoYesOct 2026
7Cyl DurationCyl DurationFree4.5★ (8)NoNoMay 2026
8Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesOct 2026

Top Picks for Oxygen Level Checking

Blood Oxygen Level: Analyzer#1

Blood Oxygen Level: Analyzer by Svetlana Rabosh

O2, pulse calculator: Tracker
Editor's Choice
🏥 Medical
3.9(193 ratings)
FreeIn-App Purchases
Blood Oxygen Level: Analyzer screenshot 1
Blood Oxygen Level: Analyzer screenshot 2
Blood Oxygen Level: Analyzer screenshot 3
Blood Oxygen Level: Analyzer screenshot 4
Blood Oxygen Level: Analyzer screenshot 5
Blood Oxygen Level: Analyzer screenshot 6

Track your blood oxygen saturation levels and monitor changes over time. Log additional symptoms to gain a more comprehensive understanding of your condition. Supports multiple user profiles and synchronizes with HealthKit for pulse and oxygen data.

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
Blood Oxygen | O2 Monitor app+#3

Blood Oxygen | O2 Monitor app+ by Yana Shestakova

Saturation Level + Pulse Rate
Worth Considering
🏥 Medical
4.6(425 ratings)
FreeIn-App Purchases
Blood Oxygen | O2 Monitor app+ screenshot 1
Blood Oxygen | O2 Monitor app+ screenshot 2
Blood Oxygen | O2 Monitor app+ screenshot 3
Blood Oxygen | O2 Monitor app+ screenshot 4
Blood Oxygen | O2 Monitor app+ screenshot 5

Track your blood oxygen saturation (SpO2) and pulse rate daily. Log readings from your oximeter, monitor your normal range, and stay informed about your health. Features include a log diary, multi-profile support, and Apple Health synchronization.

More Oxygen Level Checking apps to explore

FAQ about Oxygen Level Checking

What are the best oxygen level checking apps for iPhone?
Blood Oxygen Level: Analyzer tops our oxygen level checking apps ranking as of October 2026, with a 3.9-star average from 193 App Store ratings, and it's free to download.
Yes — 18 of the top oxygen level checking apps we rank are free to download, including Blood Oxygen Level: Analyzer and Blood Oxygen Level.
Blood Oxygen Level: Analyzer has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 248+ oxygen level checking apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.