Best Blood Oxygen Spo2 App

249+ iOS apps curated and reviewed

4.2 avg rating
18 free apps
Updated November 2026

With an average user rating of 4.2★, the blood oxygen spo2 app category is one of the App Store's strongest. Browse all 249+ apps we track, sorted so the most loved ones surface first.

Compare top Blood Oxygen Spo2 App (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesNov 2026
2Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoNov 2026
3Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (428)NoYesOct 2026
4Blood Oxygen Monitor: SpO2Blood Oxygen Monitor: SpO2Free—NoYesNov 2026
5Blood Oxygen App- WatchBlood Oxygen App- WatchFree4.2★ (709)NoYesNov 2026
6O2 Buddy: Blood Oxygen SpO2O2 Buddy: Blood Oxygen SpO2Free was $0.994.7★ (125)NoYesNov 2026
7Blood Oxygen SpO₂ TrackerBlood Oxygen SpO₂ TrackerFree3.5★ (130)NoYesNov 2026
8Blood Oxygen App+Blood Oxygen App+Free4.1★ (474)YesYesOct 2026

Top Picks for Blood Oxygen Spo2 App

Blood Oxygen App#1

Blood Oxygen App by AboutMe Apps, Inc.

SpO2 Level Monitor・Heart Rate
Editor's Choice
🏥 Medical
4.6😞(31K ratings)
FreeIn-App Purchases
#33in Medical
Blood Oxygen App screenshot 1
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Blood Oxygen App screenshot 6

Monitor your blood oxygen and heart rate with this app. It allows you to track vital signs, sync with Apple Health, and export data for your doctor. Features include breathing exercises and sleep reports with an Apple Watch.

What We Love

  • ⭐ Awesome app
  • ⭐ Very easy to use
  • ⭐ Helpful for monitoring health conditions
  • ⭐ Detailed data logging

Room to Improve

  • ❌ Doesn't accurately measure blood oxygen levels
  • ❌ Requires premium subscription for key features
  • ❌ Inconsistent and unreliable performance
  • ❌ Deceptive marketing and false advertising
  • ❌ No way to contact customer support
Blood Oxygen Level#2

Blood Oxygen Level by Enrique Villahermosa Juara

Record pulse and oxygen level
Strong Contender
🏥 Medical
4.3😞(2K ratings)
FreeAds
Blood Oxygen Level screenshot 1
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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
Blood Oxygen | O2 Monitor app+#3

Blood Oxygen | O2 Monitor app+ by Yana Shestakova

Saturation Level + Pulse Rate
Worth Considering
🏥 Medical
4.6(428 ratings)
FreeIn-App Purchases
Blood Oxygen | O2 Monitor app+ screenshot 1
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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.

More Blood Oxygen Spo2 App apps to explore

FAQ about Blood Oxygen Spo2 App

What is the best blood oxygen spo2 app for iPhone?
Blood Oxygen App tops our blood oxygen spo2 app ranking as of November 2026, with a 4.6-star average from 31K App Store ratings, and it's free to download.
Yes — 18 of the top blood oxygen spo2 app we rank are free to download, including Blood Oxygen App and Blood Oxygen Level.
Blood Oxygen App has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 249+ blood oxygen spo2 app on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.