Best Oxygen Checking Apps

250+ iOS apps curated and reviewed

4.1 avg rating
19 free apps
Updated November 2026

If you already know Blood Oxygen Level, this is the deeper bench. 250+ oxygen checking apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of November 2026.

Compare top Oxygen Checking Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen Level: AnalyzerBlood Oxygen Level: AnalyzerFree3.9★ (194)NoYesNov 2026
2Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (431)NoYesNov 2026
3Cyl DurationCyl DurationFree4.6★ (11)NoNoOct 2026
4Inogen Connect Portable OxygenInogen Connect Portable OxygenFree4.3★ (723)NoNoNov 2026
5CheckIn MoreCheckIn MoreFree5.0★ (7)NoYesOct 2026
6Oxygen PlannerOxygen PlannerFree5.0★ (2)NoNoMay 2026
7Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoNov 2026
8Blood Oxygen App+Blood Oxygen App+Free4.1★ (473)YesYesNov 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(194 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 | O2 Monitor app+#2

Blood Oxygen | O2 Monitor app+ by Yana Shestakova

Saturation Level + Pulse Rate
Strong Contender
🏥 Medical
4.6(431 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 with daily logging and reminders. Syncs with Apple Health and supports Apple Watch for comprehensive health monitoring. Offers multi-profile support for family members.

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 November 2026, with a 3.9-star average from 194 App Store ratings, and it's free to download.
Yes — 19 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 November 2026.
We track 250+ oxygen checking apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.