Best Oxygen Level Checking Apps

248+ iOS apps curated and reviewed

3.9 avg rating
19 free apps
Updated November 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 (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
3Blood Oxygen Monitor: SpO2Blood Oxygen Monitor: SpO2Free5.0★ (1)NoYesNov 2026
4Blood Oxygen App+Blood Oxygen App+Free4.1★ (473)YesYesNov 2026
5Cyl DurationCyl DurationFree4.6★ (11)NoNoOct 2026
6Inogen Connect Portable OxygenInogen Connect Portable OxygenFree4.3★ (723)NoNoNov 2026
7Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoNov 2026
8Beyond OximeterBeyond OximeterFree2.2★ (90)NoNoOct 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(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 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 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 level 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 248+ oxygen level checking apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.