Best Oxygen Checking Apps

248+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated September 2026

If you already know Blood Oxygen Level, this is the deeper bench. 248+ oxygen checking apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.

Compare top Oxygen Checking Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen Level: AnalyzerBlood Oxygen Level: AnalyzerFree3.9★ (190)NoYesSep 2026
2Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (423)NoYesSep 2026
3CheckIn MoreCheckIn MoreFree5.0★ (5)NoYesJul 2026
4Cyl DurationCyl DurationFree4.5★ (8)NoNoMay 2026
5Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesSep 2026
6Oxygen PlannerOxygen PlannerFree5.0★ (2)NoNoMay 2026
7Temperature + Blood Oxygen appTemperature + Blood Oxygen appFree3.7★ (72)NoYesAug 2026
8Blood Oxygen App+Blood Oxygen App+Free4.1★ (474)YesYesAug 2026

Top Picks for Oxygen Checking

Blood Oxygen Level: Analyzer#1

Blood Oxygen Level: Analyzer by Svetlana Rabosh

O2, pulse calculator: Tracker
Editor's Choice
🏥 Medical
3.9(190 ratings)
FreeIn-App Purchases
Blood Oxygen Level: Analyzer screenshot 1
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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 | O2 Monitor app+#2

Blood Oxygen | O2 Monitor app+ by Yana Shestakova

Saturation Level + Pulse Rate
Strong Contender
🏥 Medical
4.6(423 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
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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.

CheckIn More#3

CheckIn More by HydrOxygen Labs LLC

Virtual Wellness Checks
Worth Considering
💪 Health & Fitness
5.0(5 ratings)
FreeIn-App Purchases
CheckIn More screenshot 1
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CheckIn More screenshot 6

This app automates daily wellness checks, sending instant updates via text or phone call to your loved ones. Set custom schedules, track your mood, or request assistance with a single tap, ensuring your circle stays informed.

More Oxygen Checking apps to explore

FAQ about Oxygen Checking

What are the best oxygen checking apps for iPhone?
Blood Oxygen Level: Analyzer tops our oxygen checking apps ranking as of September 2026, with a 3.9-star average from 190 App Store ratings, and it's free to download.
Yes — 20 of the top oxygen checking apps we rank are free to download, including Blood Oxygen Level: Analyzer and Blood Oxygen | O2 Monitor app+.
Blood Oxygen Level: Analyzer has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 248+ oxygen checking apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps you track your blood oxygen saturation levels by allowing you to manually enter readings from your oximeter. It also enables you to log additional symptoms you may be experiencing and view a history of your saturation changes over time. The app can synchronize with HealthKit to import pulse and blood oxygen data.
Key features include tracking your oxygen saturation level, logging additional symptoms for better analysis, viewing a history of your saturation changes, creating multiple profiles for family members, and synchronizing data with HealthKit for pulse and blood oxygen information.