Best Oxygen Level Checker Apps

248+ iOS apps curated and reviewed

3.9 avg rating
19 free apps
Updated October 2026

With an average user rating of 3.9★, 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 (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen Level: AnalyzerBlood Oxygen Level: AnalyzerFree3.9★ (193)NoYesOct 2026
2Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (428)NoYesOct 2026
3Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoOct 2026
4Blood Oxygen App+Blood Oxygen App+Free4.1★ (474)YesYesOct 2026
5Heartify: Heart Health MonitorHeartify: Heart Health MonitorFree4.7★ (119K)NoYesOct 2026
6Cyl DurationCyl DurationFree4.6★ (11)NoNoOct 2026
7Inogen Connect Portable OxygenInogen Connect Portable OxygenFree4.3★ (694)NoNoOct 2026
8Blood Oxygen Monitor: SpO2Blood Oxygen Monitor: SpO2Free—NoYesOct 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(193 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(428 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 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.

Blood Oxygen Level#3

Blood Oxygen Level by Enrique Villahermosa Juara

Record pulse and oxygen level
Worth Considering
🏥 Medical
4.3😞(2K ratings)
FreeAds
Blood Oxygen Level screenshot 1
Blood Oxygen Level screenshot 2
Blood Oxygen Level screenshot 3
Blood Oxygen Level screenshot 4
Blood Oxygen Level screenshot 5

Easily record your daily pulse and blood oxygen levels. Track your health statistics over time with simple data entry and clear visualizations. Requires an external device like a pulse oximeter or smartwatch for measurements.

What We Love

  • 👍 Simple and easy interface
  • 🚀 Impressive work
  • 💡 Helpful for recording health conditions

Room to Improve

  • 🐛 Doesn't record anything
  • 🐛 Flickering and freezing issues
  • 🔋 Ads make it unusable
  • 🐛 Doesn't give accurate readings
  • 🐛 Doesn't sync with devices

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 October 2026, with a 3.9-star average from 193 App Store ratings, and it's free to download.
Yes — 19 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 October 2026.
We track 248+ oxygen level checker apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.