Best Oxygen Level Checking Apps

247+ 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 247+ 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★ (190)NoYesSep 2026
2Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (425)NoYesSep 2026
3O2 Buddy: Blood Oxygen SpO2O2 Buddy: Blood Oxygen SpO2$0.994.6★ (46)NoYesSep 2026
4Blood Oxygen App+Blood Oxygen App+Free4.1★ (474)YesYesSep 2026
5Oximeter - Track Oxygen SpO2Oximeter - Track Oxygen SpO2Free4.5★ (547)NoYesSep 2026
6Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesOct 2026
7Inogen Connect Portable OxygenInogen Connect Portable OxygenFree3.6★ (266)NoNoOct 2026
8Cyl DurationCyl DurationFree4.5★ (8)NoNoMay 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(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.

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 190 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 | O2 Monitor app+.
Blood Oxygen Level: Analyzer has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 247+ oxygen level checking apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.