Best Oxygen Level Checker Apps

248+ iOS apps curated and reviewed

4.1 avg rating
17 free apps
Updated September 2026

With an average user rating of 4.1★, the oxygen level checker category is one of the App Store's strongest. Browse all 248+ apps we track, sorted so the most loved ones surface first.

Compare top Oxygen Level Checker 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★ (424)NoYesSep 2026
3BloodPressure-Level CheckerBloodPressure-Level CheckerFree3.8★ (2.8K)NoNoSep 2026
4Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoSep 2026
5Oximeter - Track Oxygen SpO2Oximeter - Track Oxygen SpO2Free4.5★ (547)NoYesSep 2026
6Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesSep 2026
7Blood Oxygen App+Blood Oxygen App+Free4.1★ (474)YesYesAug 2026
8Heartify: Heart Health MonitorHeartify: Heart Health MonitorFree4.7★ (119K)NoYesSep 2026

Top Picks for Oxygen Level Checker

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 Checker apps to explore

FAQ about Oxygen Level Checker

What are the best oxygen level checker apps for iPhone?
Blood Oxygen Level: Analyzer tops our oxygen level checker apps ranking as of September 2026, with a 3.9-star average from 190 App Store ratings, and it's free to download.
Yes — 17 of the top oxygen level checker 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 level checker 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.